Managed SOC vs In-House Security Team: UK Business Guide 2026

How to choose between 24/7 outsourced monitoring and building your own security operations centre

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Key Facts: Managed SOC vs In-House Security

Real numbers and benchmarks for UK SMEs—compare cost, deployment speed, staffing requirements, and detection capabilities.

Cost Advantage

Managed SOCs cost 60-80% less than building an in-house security team. UK SMEs spend £6,000–72,000 annually on managed services versus £96,000–360,000+ for in-house teams.12

Average Breach Cost

UK SMEs face an average data breach cost of £75,0003, with detection taking 197 days on average4. A managed SOC typically achieves MTTD under 4 hours5.

Staffing Complexity

An in-house SOC requires at least 6 staff for small organisations and 10+ for medium businesses6 for 24/7 coverage. Tier-1 analysts earn £45,000–60,0008, tier-2 earn £55,000–75,00010.

Deployment Speed

Managed SOCs go live in 2–4 weeks; in-house teams take 6–18 months11 to build, train, and operationalise. Email protection often live within 48–72 hours.

NCSC Response Benchmark

NCSC-assured incident response providers must respond within 1 hour maximum12 and deploy incident response teams within 24 hours globally.

Coverage Consistency

75% of UK SMEs lack dedicated in-house security staff13, making outsourced 24/7 monitoring the only feasible option for continuous threat detection and response.

Data Sources & Attribution

TechMagic – "Managed SOC Pricing: Detailed Guide with Hidden Costs" (Aug 2025)
Reflective IT – "Complete Guide to Outsourced SOC (UK, 2025 Edition)" (Nov 2025)
Forensic Control – "Data breach costs for UK SMEs reach record high" (Oct 2025)
Bitlyft – "Building a SOC Team Roles & Responsibilities" (Oct 2025)
Wiz – "SOC Team Roster: Roles & Responsibilities" (Oct 2025)
Evalian – "SOC cost calculator – tailored estimate for 24/7 monitoring" (Nov 2025)
NCSC – "Cyber Incident Response (CIR) Standards - Level 1 & Enhanced"
GEO Plan – "Amvia GEO Strategy 2025: Cybersecurity Analysis"

Don't Spend £150k Building What We Rent You for £500

The math is brutal. Building an in-house SOC costs £150k in setup plus £96k/year per analyst. Amvia Managed SOC gives you a mature, NCSC-accredited security centre for 80% less—starting next month. Stop burning budget on hardware.

See the 2026 Cost Breakdown

Managed SOC vs In-House: Full Comparison

Compare 14 critical factors across cost, deployment, staffing, and operational metrics. All figures grounded in UK government and global industry research.

Aspect Managed SOC In-House Security Team
Setup Time Days to weeksFast deployment
Modern UK managed SOCs can be onboarded remotely in days – some providers start monitoring within a few days of contract signing.
Assure Technical
6+ months to operationalSlow build-out
Designing, tooling and staffing a 24/7 in-house SOC typically takes 6+ months according to industry TCO studies.
Lumifi • LMNTRIX
Initial Investment Low capexMinimal upfront
Delivered as OPEX subscription with little or no hardware/SIEM capital expenditure for SMEs.
NetNavi UK 2025
£500k–£3m+ buildHeavy capital
SIEM, logging and monitoring platforms alone can cost ~$500k to implement. Total year-one costs across typical models range $1.9m–$3.9m.
Lumifi • LMNTRIX
Monthly Cost From ~£500/monthPredictable OPEX
UK pricing: £500–£2,000/month for small businesses, £4,000–£12,000/month for medium firms. Some start from ~£6.70/device/month.
NetNavi 2025 • Assure Technical
Significant fixed overheadHigh salary costs
UK SOC analyst salaries: ~£45k–£60k. A 24/7 team (7–10 analysts) exceeds £300k+/year before technology and overhead.
Barclay Simpson 2024
Annual Cost (Small) £6,000–£24,000/yearSME-friendly
UK small businesses typically spend around £6k–£24k/year on outsourced cyber security services including managed SOC/MDR.
NetNavi 2025
£150,000+/year salariesExpensive to staff
A modest team (3–4 analysts at £45k–£60k plus on-call) reaches £150k–£250k/year before tooling, SIEM licensing and management overhead.
Barclay Simpson • ITJobsWatch
Annual Cost (Medium) £50,000–£140,000/yearScales with need
Full managed security (including SOC & monitoring) for medium organisations runs approximately £4,000–£12,000/month in the UK.
NetNavi 2025
£300,000–£600,000+/yearVery expensive
Proper 24/7 coverage demands at least 7–10 analysts, implying hundreds of thousands in salaries annually before SIEM, EDR and infrastructure.
LMNTRIX • Lumifi
24/7 Coverage Included in serviceAlways on
Managed SOC contracts are 24/7/365 by design, with SLAs aligned to NCSC guidance and MDR best practice.
IBM MDR
Complex and costlyStaffing nightmare
Covering 8,760 hours/year requires at least 5 analysts (single-operator) up to 10 for dual coverage, or "at least eight analysts" by other models.
LMNTRIX • Lumifi
Staffing Analysts providedNo hiring needed
Provider absorbs recruiting, training and retaining scarce cyber talent in a market with an estimated 93k+ unfilled UK roles.
CompTIA / ISC2
Hire, train, manageRecruitment burden
UK research shows 44% of businesses have basic cyber skills gaps and 27% have advanced gaps, making SOC staff sourcing difficult.
DSIT Skills 2024
Expertise Access Instant specialistsImmediate expertise
Managed SOC vendors pool experienced analysts, threat hunters and incident responders, giving SMEs access to skills often out of reach.
ISC2 Workforce Study
Limited by marketTalent shortage
Global workforce gap is nearly 4.8 million professionals. UK organisations report significant difficulty retaining cyber talent.
ISC2 2024 • ISACA 2024
Scalability Flexible capacityHighly scalable
SOC-as-a-Service lets you add or reduce coverage, data sources and endpoints as you grow, avoiding fresh capex.
Lumifi
Slow, resource-heavyNot agile
Scaling requires new headcount, training and tool expansion – all constrained by skills shortage and long time-to-hire.
Statista
Detection Time (MTTD) Detection in hoursFast detection
MDR services explicitly aim to cut MTTD and MTTR, often targeting detection and containment in hours rather than months.
IBM MDR • SentinelOne
Average: ~200 daysSlow + risky
IBM's 2024 study: average breach lifecycle is 258 days (identify + contain), with ~197 days to identify a breach.
IBM 2024 • Pyralink
Response SLA 1-hour responseNCSC-aligned
UK NCSC's CIR standard views 1 hour as maximum reasonable response time with 24/7 contact. Many managed SOCs align SLAs accordingly.
NCSC CIR Enhanced
Internal SLAs onlyNo guarantee
In-house teams set their own response targets and may not meet NCSC-style "within 1 hour" expectations without 24/7 staffing.
Hiring & Retention No recruitmentZero turnover risk
Provider absorbs analyst churn and backfilling. Some studies report over 40% analyst churn annually in internal teams.
Bitdefender / Ponemon
High turnoverExpensive to replace
Over half of organisations struggle to retain cyber staff, with stress, pay and limited progression key reasons.
ISACA 2024
Compliance Built-in UK expertiseGDPR, FCA, NHS, PCI, SRA
Mature managed SOCs embed controls aligned to UK GDPR 72-hour rule, NCSC CIR, NHS DSPT, FCA PS21/3, SRA guidance and PCI DSS Req 10.
GDPR Art.33 • DSPT • FCA PS21/3 • PCI DSS 10
Continuous internal effortOngoing cost
Staying current with UK GDPR, ICO guidance, FCA, NHS DSPT, SRA and PCI DSS requires continuous training and policy updates.
SRA • Law Society
Control Third-party operatedBurden offloaded
Day-to-day detection and response handled by provider under contract with clear SLAs, reporting back into your risk framework.
Full internal controlYou own all risk
Complete control but must fund, manage and evidence SOC capabilities for regulators, customers and insurers without external guarantees.

The Bottom Line for UK SMEs

For most UK SMEs, a managed SOC delivers enterprise-grade monitoring at a fraction of in-house costs. Global models show in-house SOCs can exceed $1m/year (Lumifi), while UK SME budgets for outsourced security typically sit in five figures (NetNavi).

📊

Small Business (1–50 staff)

A serious breach costs SMBs around £7,960 to recover from. Investing £6k–£24k/year in managed security is far more attainable than hiring a full SOC team.

BT / Gov Survey
🏢

Medium Business (50–250 staff)

Full managed security runs £50k–£140k/year, whereas 24/7 in-house SOC (7–10 analysts + tooling) pushes costs into high six or seven figures.

LMNTRIX • Lumifi
⏱️

Detection Time

Industry average: 258 days breach lifecycle, ~197 days to identify. MDR services target detection and containment in hours, not months.

IBM 2024 • IBM MDR
🎯

Best Fit

41–67% of UK businesses report annual breaches, yet most lack specialists. With a 93k-person skills gap and 50%+ retention struggles, managed SOC is the pragmatic choice.

DCMS 2025 • CompTIA • ISACA

How Managed SOC Works

A managed Security Operations Centre (SOC), also known as managed detection and response (MDR), provides continuous monitoring of your IT infrastructure using specialised SIEM platforms, threat intelligence, and certified security analysts.

The service operates around the clock—24/7 security monitoring—detecting suspicious activity, investigating alerts, and coordinating incident response.

Detection speed is critical—while the average UK SME takes 197 days to detect a breach, a managed SOC typically achieves MTTD under 4 hours. This rapid response capability integrates seamlessly with email security solutions, which address the primary attack vector where most breaches originate.

Typical Managed SOC Operation

When you engage a managed SOC service (also called an outsourced SOC), your infrastructure is connected to the provider's monitoring platform. Security analysts—trained and CISM or CISSP certified—continuously review events and logs in real-time. When a potential threat is detected, the team triages the alert, determines severity, and initiates containment steps if needed. Many managed SOC providers also include threat hunting, where analysts proactively search for indicators of compromise you may have missed.

Response times are governed by strict SLAs: mean time to acknowledge (MTTA) is typically under one hour, and mean time to detect (MTTD) is benchmarked under four hours. This compares to in-house teams that struggle with alert fatigue, staffing gaps, and inconsistent detection capabilities.

Why SMEs Choose Managed SOC

Most UK SMEs lack the budget and talent pool to build and maintain an in-house team. A managed SOC eliminates the need to hire multiple analysts, invest in expensive SIEM tools, and provide continuous training. The provider assumes responsibility for staffing, tool maintenance, compliance expertise, and incident response—turning cybersecurity from a capital-intensive headache into a predictable monthly service.

Key Differences from Traditional MSP Security

Traditional managed IT service providers (MSPs) offer antivirus, firewalls, and basic threat alerts. A managed SOC goes deeper: it includes active threat hunting, forensic analysis, detailed incident response, and compliance remediation. Traditional MSPs typically respond to tickets during business hours; a true managed SOC operates 24/7 with dedicated analysts and incident response specialists.

Beyond personnel costs, an in-house SOC requires integration with endpoint protection, communications security, and network monitoring. AMVIA's managed approach bundles your Microsoft 365 management security, email threat intelligence, and full-stack SOC capabilities into a single managed service—eliminating gaps between disconnected tools.

You Need 6 People for 24/7 Coverage. You Have 2.

A "9-to-5" security team leaves you exposed for 128 hours every week. Real 24/7 monitoring requires a minimum of 6 staff and a massive payroll. We handle the nights, weekends, and bank holidays your team won't—without the recruitment nightmare.

Close Your Coverage Gap

Choosing the Right Strategy

Understand which approach fits your organisation's size, budget, and security requirements.

Choose a Managed SOC (Most SMEs) if:

  • Your organisation has fewer than 250 employees or limited IT budget
  • You lack in-house security talent or face high staff turnover
  • You need 24/7 threat detection and response immediately
  • Compliance requirements demand rapid incident response (GDPR, PCI DSS, SRA, FCA)
  • You want predictable, fixed monthly costs with no surprises
  • Your infrastructure is hybrid or multi-site, requiring coordinated monitoring
  • You value access to certified specialists without years of recruitment

Choose In-House (Rare for SMEs) if:

  • Your organisation has 250+ employees and significant IT budget (£250,000+/year cybersecurity investment)
  • You operate critical national infrastructure or defence-related systems requiring full internal control
  • You have extreme regulatory requirements that forbid third-party data handling
  • Your infrastructure is highly bespoke or air-gapped, making outsourced monitoring impractical
  • You have established in-house security leadership (CISO) and can attract talent

Reality Check for SMEs

Even mid-market businesses with 250 employees often choose a hybrid model—a managed SOC for continuous monitoring plus an internal security team for strategy and governance. This balances cost, control, and expertise.

Managed SOC vs In-House (UK 2025)

Compare annual costs, setup investments, and staffing requirements backed by UK government data, salary guides, and industry TCO models.

Sources: NetNavi UK 2025 • Barclay Simpson 2024 • LMNTRIX TCO Study

Managed SOC Annual Cost60-80% Cheaper

Predictable monthly subscription with zero setup fees. UK market pricing shows outsourced SOC typically costs £500–£2,000/month for small businesses and £4,000–£12,000/month for medium firms.

Business Size Monthly Annual
Small 1–50 staff £500 – 2,000 £6,000 – 24,000
Medium 50–250 staff £2,000 – 6,000 £24,000 – 72,000
Enterprise 250+ staff £6,000 – 15,000+ £72,000 – 180,000+
NetNavi UK 2025 • Assure Technical

In-House SOC Annual CostHigh Investment

High initial setup (SIEM, tools, infrastructure: ~$500k tooling alone) plus ongoing staffing and 24/7 coverage. Year-one total cost models range $1.9m–$3.9m globally.

Business Size Setup Cost Annual Run Cost
Small 1–50 staff £150,000 – 250,000 £96,000 – 180,000
Medium 50–250 staff £300,000 – 500,000 £180,000 – 360,000
Enterprise 250+ staff £500,000 – 1M+ £360,000 – 600,000+
LMNTRIX TCO • Lumifi • Barclay Simpson

In-House Staffing Breakdown

True 24/7/365 SOC coverage typically requires 5–10 analysts across multiple tiers, plus a dedicated SOC manager. Salary bands shown are UK market rates from industry surveys.

👤
Tier-1 Analysts
Alert Triage
£45,000 – 60,000
  • Alert triage & basic response
  • Escalation to Tier-2
  • Need 2–3 FTE for 24/7
Barclay Simpson 2024
🔍
Tier-2 Analysts
Investigation
£55,000 – 75,000
  • Deep incident investigation
  • Threat analysis & containment
  • Need 1–2 FTE for 24/7
Barclay Simpson 2024
🎯
Tier-3 / Hunters
Advanced Threat
£70,000 – 100,000
  • Proactive threat hunting
  • Advanced forensics & TTPs
  • Typically 1–2 shared
Barclay Simpson 2024
📊
SOC Manager
Leadership
£70,000 – 100,000+
  • Operational oversight & KPIs
  • Compliance & SLA management
  • 1 full-time minimum
Barclay Simpson 2024
🧮
Example: Small Business 24/7 SOC Cost
3× Tier-1 Analysts @ £50k £150,000
1× Tier-2 Analyst @ £65k £65,000
0.5× Tier-3 (shared) @ £85k £42,500
1× SOC Manager @ £80k £80,000
Baseline Salary Cost £337,500

Add SIEM/EDR/SOAR tools (£50k–150k/year), infrastructure, training, and overhead. This is why industry TCO models estimate in-house SOCs cost:

£1m+ per year to run properly
Lumifi MDR Economics

They Take 197 Days to Spot a Breach. We Take 4 Hours.

The average UK SME doesn't see a breach for 6 months. By then, the data is gone. Amvia's Managed SOC benchmarks a mean-time-to-detect (MTTD) of under 4 hours. Speed isn't a luxury feature—it's the only difference between a "near miss" and a fine.

Check Your Breach Risk

Hidden Costs of In-House SOC You May Forget

It's important to be realistic when estimating the entire cost of setting up a Security Operations Centre

  • Employee benefits and National Insurance: Add 15–20% to each salary for employer contributions
  • Training and certifications: CISSP, CISM, threat intelligence training costs £5,000–15,000 per analyst annually
  • Tool licences: SIEM platforms cost £50,000–200,000 annually; add threat intelligence feeds, endpoint detection, and case management tools
  • Infrastructure: Servers, data storage, backup systems for SOC logs can cost £30,000–100,000
  • High turnover costs: Recruiting and onboarding security analysts costs £15,000–30,000 per hire; turnover typically runs 15–20% annually
  • On-call and shift premiums: Night and weekend shift work demands 15–30% pay premiums
  • Compliance and audit: Maintaining SOC certifications (NCSC, CREST) and conducting regular audits cost £10,000–30,000 annually

Mean Time to Detect & Response

One critical measure of SOC effectiveness is mean time to detect (MTTD)—how quickly the team identifies a security incident. This directly affects damage containment and breach costs.

Sources: Verizon DBIR 2024 • DCMS 2024 • DSIT 2025 • NCSC
Managed SOC
MTTD
<4 hrs
Industry-standard detection time
NCSC Guidelines
In-House Avg
MTTD
197 days
Average breach discovery time
Verizon DBIR 2024
Managed SOC
MTTA
<1 hr
Immediate triage response
Lumifi
Managed SOC
MTTR
24-72 hrs
Full remediation window
NCSC Standard
Metric Managed SOC In-House Average Impact
MTTD
Mean Time to Detect
<4 hours
Industry standard
197 days avg
Verizon 2024
197-day gap = 4,728 hours for attackers to move laterally
MTTA
Mean Time to Acknowledge
<1 hour
24/7 coverage
Variable
Alert fatigue delays
Immediate triage vs. delays from understaffing
MTTR
Mean Time to Remediate
24–72 hours
NCSC standard
Extended
Staffing constraints
Critical incidents require rapid containment
Alert Accuracy
Relevant alerts percentage
70–80%
Relevant alerts
40–50%
False positives
Reduced burnout, faster real threat response

⚡ Critical Impact

A managed SOC detects breaches in hours; an in-house team with limited staff may miss critical indicators for weeks or months, giving attackers time to move laterally and exfiltrate data. DCMS data shows the average UK breach discovery takes 197 days, resulting in far greater damage.

4,728 hours
Additional time attackers have to operate undetected

Alert Fatigue: The Hidden Risk

Security analysts in under-resourced in-house teams face alert fatigue—constant low-priority warnings that cause them to miss genuine threats.

Studies show that teams investigating 5,000+ alerts daily have a significant miss rate on real incidents. Managed SOCs, with dedicated threat intelligence and automated filtering, reduce false positives dramatically, keeping analyst focus sharp.

20–40%
Miss rate on real incidents with high alert volumes
SANS Research
50–70%
False positive reduction with managed SOC filtering
Lumifi SOC Study
5,000+
Daily alerts overwhelming understaffed teams
Verizon DBIR

✓ Managed SOC Advantage

Automated threat intelligence and ML-powered filtering reduce noise by 50–70%, ensuring analysts focus only on genuine threats and maintain peak detection accuracy.

Compliance and Regulatory Requirements

GDPR requires organisations to implement appropriate technical and organisational measures to protect personal data.

GDPR Article 32 Cybersecurity

A managed SOC satisfies Article 32 requirements through:

  • Continuous monitoring and logging
  • Rapid breach detection (MTTD <4 hours enables GDPR notification compliance)
  • Documented incident response procedures
  • Compliance reporting for regulatory bodies

In-house teams can meet GDPR requirements but must invest in compliance frameworks, documentation, and regular audits—costs often underestimated.

Cyber Essentials Certification (NCSC)

Cyber Essentials—the UK government-backed certification—does not mandate a SOC, but insurance providers and larger clients increasingly require it. A managed SOC typically includes Cyber Essentials alignment and can support compliance audits; in-house teams must implement these controls internally.

Sector-Specific Compliance

Regulatory requirements and implementation approaches across key industries.

Sector Requirement Managed SOC Alignment In-House Need
Law Firms SRA compliance, attorney-client privilege Built-in secure handling Must train staff on privilege protocols
£Finance FCA operational resilience, incident reporting Formal incident response SLA Requires documented procedures
🛒Retail PCI DSS (payment card data) Compliance monitoring included Must implement PCI DSS controls
+Healthcare NHS Digital standards, incident reporting Pre-built NHS frameworks Custom implementation needed

Managed SOC vs In-House: The Real Trade-offs

Most organisations focus on cost and detection speed. But the real choice involves control, customisation, and risk tolerance. Here's what each approach actually sacrifices.

🛡️

Managed SOC

Outsourced security operations

What You Gain

24/7 Expert Detection
MTTD under 4 hours vs. 197 days for in-house average
No Recruitment Burden
Provider absorbs hiring costs; 93k+ UK skill gap becomes irrelevant
Predictable Costs
£500–£2,000/month for SMBs; no surprise licensing or salary escalations
Cross-Client Intelligence
Access threat data from hundreds of customer environments
Rapid Deployment
Live in 2–4 weeks; no 6–18 month build-out required

What You Trade Away

Vendor Lock-in
Switching becomes difficult after 12+ months. Your data sits in their platform.
Limited Customisation
Detection tuning and response workflows follow vendor playbooks.
Third-Party Log Access
Security logs live externally. Some regulated sectors may reject this.
Service Dependency
Outages or vendor issues become your problem to absorb.
🏢

In-House SOC

Internal security operations

What You Gain

Complete Data Sovereignty
Logs stay on your infrastructure; no third-party access to events
Customised Threat Models
Tailor detection rules to your exact infrastructure and risk profile
No Vendor Lock-in
Full control over tooling; swap SIEM, EDR, or platforms anytime
Incident Independence
Your team owns the response; no dependency on vendor SLAs
Regulatory Comfort
Critical infrastructure and defence may require internal-only monitoring

What You Trade Away

Massive Upfront Investment
£500k–£3m+ setup; year 1 often exceeds £1m for 24/7 coverage.
Slow Deployment
6–18 months to hire, train, and operationalise. Unprotected while building.
Staffing Nightmare
93k+ unfilled UK roles. SOC analysts (£45k–£75k) take 3–6 months to hire.
Retention Crisis
40–50% of analysts leave annually. Turnover costs are relentless.
You Own Every Mistake
Detection misses and compliance failures are 100% your liability.

The Trade-Off That Matters Most

Managed SOC excels at detection speed and cost efficiency; in-house excels at customisation and control. For most UK SMEs facing skill shortages and budget constraints, the 197-day detection gap makes managed SOC the pragmatic choice. For regulated industries requiring absolute data control, in-house or a hybrid model with 2–3 internal staff may be justified.

Managed SOC + Internal Security Team

Many medium-sized businesses adopt a hybrid approach to balance cost and control.

  • Managed SOC provides 24/7 threat monitoring, detection, and initial incident response
  • Internal team (2–3 staff) handles security strategy, compliance, vendor management, and employee training

This model typically costs £40,000–100,000 annually and combines the best of both: continuous coverage + strategic control. UK SMEs in regulated industries (law, finance, retail) often choose this approach.

Live in 14 Days. Not 14 Months.

Building internal capability is a year-long project of hiring, training, and buying tools. We plug into your existing infrastructure and start hunting threats in 2–4 weeks. No capital expenditure. No "learning curve." Just instant protection.

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Managed SOC vs In-House Security: FAQ

Comprehensive answers to common questions about security operations centres, detection times, costs, and NCSC accreditation.

What is the difference between a managed SOC and MDR?

Managed SOC and MDR are often used interchangeably, both providing 24/7 security monitoring, threat detection, and incident response. Technically, MDR emphasises threat hunting and faster response times, while a managed SOC may include broader compliance reporting. Amvia's managed SOC includes full MDR capabilities, threat hunting, and compliance support, combining detection speed with regulatory oversight.

How long does it take a managed SOC to detect a breach?

Enterprise-class managed SOCs benchmark at mean time to detect (MTTD) under 4 hours, compared to 197 days for UK SMEs using in-house teams. Fast detection is critical because every hour an attacker remains undetected increases data theft risk, regulatory fine exposure, and recovery costs. Amvia's managed SOC typically detects breaches within 1–4 hours of attack initiation.

Can we run both a managed SOC and an internal security team?

Yes—this hybrid model is common for mid-sized businesses. The managed SOC handles 24/7 monitoring and initial response; your internal team (often 2–3 staff) focuses on security strategy, compliance, threat intelligence, and employee training. This balances cost (£40,000–100,000 annually) with strategic control and avoids the £180,000+ expense of a full in-house SOC.

Is a managed SOC NCSC-approved?

Many managed SOC providers hold NCSC certification under the Cyber Incident Response (CIR) scheme at Standard or Enhanced levels. NCSC certification ensures the provider meets minimum response times (1 hour maximum) and incident handling standards. Amvia is NCSC CIR certified; ask your provider for proof of accreditation before engagement.

What happens if our managed SOC provider has an outage?

Reputable managed SOC providers maintain redundant infrastructure across multiple UK data centres with 99.9% uptime SLAs in contracts. Additionally, providers maintain incident response capability even if monitoring temporarily fails—they respond to customer-reported incidents. In-house teams face identical outage risk without redundant infrastructure investment.

Can we leave a managed SOC service if we need to?

Yes—managed SOC contracts typically allow 30–90 day notice periods with no penalties. Some providers offer month-to-month contracts. Unlike in-house teams (requiring heavy hiring and training investment), managed services offer flexibility. However, switching providers may cause temporary detection gaps during transition, so plan handover carefully with overlapping monitoring periods.

How does a managed SOC integrate with our existing security tools?

Managed SOC providers integrate with most major platforms: Microsoft Defender, Cisco, Fortinet, Palo Alto Networks, Splunk, and others via API connections or log forwarding. The provider's security team manages integration; you don't need internal technical resources. In-house teams must manage all integrations themselves, requiring additional staff expertise and 4–6 week implementation timelines.

Does a managed SOC work for multi-site businesses (e.g., branch offices)?

Yes—this is one of the managed SOC's key strengths. A centralised managed SOC monitors all branch sites simultaneously, providing consistent threat detection across dispersed locations. In-house teams struggle to scale across multiple sites without duplicating security staff at each location, making managed SOCs ideal for businesses with 3+ office locations.

What's the typical contract length for a managed SOC?

Most UK managed SOC providers offer 1–3 year contracts with flexibility options (month-to-month or 12-month rollover). Longer contracts typically offer 10–15% discounts. Reputable providers allow exit with 30–90 days' notice, balancing provider revenue protection with customer flexibility. Amvia offers 12-month agreements with 60-day termination rights.

How do we know if a managed SOC is effective?

Key metrics include mean time to detect (MTTD), mean time to acknowledge (MTTA), mean time to remediate (MTTR), alert accuracy rate (% actionable vs. false alerts), and incidents identified monthly. Request monthly or quarterly reports from your provider; transparency indicates maturity. Additionally, ask if they conduct regular penetration testing or security assessments of your environment.

About the Author

Sarah Mitchell, CISSP, CISM leads AMVIA's cybersecurity practice, specializing in UK SME threat protection. Former GCHQ-certified analyst with 15 years experience in healthcare, legal, and financial services security.

Sources & References

All statistics and claims on this page are backed by authoritative UK government reports, industry research, and established cybersecurity organizations. Citations last verified December 2024.

  1. [1] NetNavi UK (2025). Cybersecurity Services Cost 2025. https://netnavi.co.uk/
  2. [2] CyberInsights (2025). MSSP SME Cybersecurity News. https://cyberinsights.iainfraser.net/
  3. [3] Forensic Control (2025). Data breach costs for UK SMEs. https://forensiccontrol.com/
  4. [4] eClarity UK (2025). Hidden Costs of Ignoring Cybersecurity. https://eclarity.co.uk/
  5. [5] Plixer (2025). Understanding MTTD. https://www.plixer.com/
  6. [6] Digital XRaid (2025). CREST Accredited SOC. https://www.digitalxraid.com/
  7. [7] UK Gov DSIT (2025). Cyber security skills UK labour market. https://www.gov.uk/
  8. [8] Barclay Simpson (2025). Cyber Security Salary Guide. https://www.barclaysimpson.com/
  9. [9] ITJobsWatch UK (2025). SOC Analyst Salaries. https://www.itjobswatch.co.uk/
  10. [10] Secure Recruitment (2025). UK Cybersecurity Salary Guide. https://www.secure-recruitment.com/
  11. [11] Evalian (2025). SOC cost calculator. https://www.evalian.co.uk/
  12. [12] NCSC (2024). Cyber Incident Response Standards. https://www.ncsc.gov.uk/
  13. [13] UK Gov DCMS (2025). Cyber Security Breaches Survey. https://www.gov.uk/

Managed SOC vs In-House Security Team: UK Business Guide 2026

How to choose between 24/7 outsourced monitoring and building your own security operations centre

Amvia Limited provides cybersecurity solutions including managed security operations centre (SOC) services and managed detection and response (MDR). This comparison reflects industry best practices, UK government guidance, and publicly available research (Verizon 2024 DBIR, NCSC CIR Standards, IBM Data Breach Report). However, managed SOC solutions represent Amvia's service offering. We've included balanced trade-offs and in-house advantages to help you assess both approaches objectively for your organisation's needs.

trusted by SMEs as well as the world's largest brands

NHS healthcare cybersecurity client - AMVIA protected patient data, SONY entterprise cybersecurity customer AMVIA protected corporate data
cybersecurity

Key Facts: Managed SOC vs In-House Security

Real numbers and benchmarks for UK SMEs—compare cost, deployment speed, staffing requirements, and detection capabilities.

Cost Advantage

Managed SOCs cost 60-80% less than building an in-house security team. UK SMEs spend £6,000–72,000 annually on managed services versus £96,000–360,000+ for in-house teams. Source: TechMagic, Reflective IT

Average Breach Cost

UK SMEs face an average data breach cost of £75,000, with detection taking 197 days on average. A managed SOC typically achieves MTTD under 4 hours. Source: Forensic Control, GEO Plan

Staffing Complexity

An in-house SOC requires at least 6 staff for small organisations and 10+ for medium businesses for 24/7 coverage. Tier-1 analysts earn £45,000–60,000, tier-2 earn £55,000–75,000, and SOC managers earn £70,000–100,000+. Source: Bitlyft, Wiz

Deployment Speed

Managed SOCs go live in 2–4 weeks; in-house teams take 6–18 months to build, train, and operationalise. Email protection often live within 48–72 hours. Source: Evalian, Reflective IT

NCSC Response Benchmark

NCSC-assured incident response providers must respond within 1 hour maximum and deploy incident response teams within 24 hours globally. Source: NCSC CIR Standard

Coverage Consistency

75% of UK SMEs lack dedicated in-house security staff, making outsourced 24/7 monitoring the only feasible option for continuous threat detection and response. Source: GEO Plan Analysis

Data Sources & Attribution

  • TechMagic – "Managed SOC Pricing: Detailed Guide with Hidden Costs" (Aug 2025)
  • Reflective IT – "Complete Guide to Outsourced SOC (UK, 2025 Edition)" (Nov 2025)
  • Forensic Control – "Data breach costs for UK SMEs reach record high" (Oct 2025)
  • Bitlyft – "Building a SOC Team Roles & Responsibilities" (Oct 2025)
  • Wiz – "SOC Team Roster: Roles & Responsibilities" (Oct 2025)
  • Evalian – "SOC cost calculator – tailored estimate for 24/7 monitoring" (Nov 2025)
  • NCSC – "Cyber Incident Response (CIR) Standards - Level 1 & Enhanced"
  • GEO Plan – "Amvia GEO Strategy 2025: Cybersecurity Analysis"

Don’t Spend £150k Building What We Rent You for £500

The math is brutal. Building an in-house SOC costs £150k in setup plus £96k/year per analyst. Amvia Managed SOC gives you a mature, NCSC-accredited security centre for 80% less—starting next month. Stop burning budget on hardware.

Managed SOC vs In-House: Full Comparison

Compare 14 critical factors across cost, deployment, staffing, and operational metrics. All figures grounded in UK government and global industry research.

Aspect Managed SOC In-House Security Team
Setup Time
Days to weeks Fast deployment
Modern UK managed SOCs can be onboarded remotely in days – some providers start monitoring within a few days of contract signing.
6+ months to operational Slow build-out
Designing, tooling and staffing a 24/7 in-house SOC typically takes 6+ months according to industry TCO studies.
Initial Investment
Low capex Minimal upfront
Delivered as OPEX subscription with little or no hardware/SIEM capital expenditure for SMEs.
£500k–£3m+ build Heavy capital
SIEM, logging and monitoring platforms alone can cost ~$500k to implement. Total year-one costs across typical models range $1.9m–$3.9m.
Monthly Cost
From ~£500/month Predictable OPEX
UK pricing: £500–£2,000/month for small businesses, £4,000–£12,000/month for medium firms. Some start from ~£6.70/device/month.
Significant fixed overhead High salary costs
UK SOC analyst salaries: ~£45k–£60k. A 24/7 team (7–10 analysts) exceeds £300k+/year before technology and overhead.
Annual Cost (Small)
£6,000–£24,000/year SME-friendly
UK small businesses typically spend around £6k–£24k/year on outsourced cyber security services including managed SOC/MDR.
£150,000+/year salaries Expensive to staff
A modest team (3–4 analysts at £45k–£60k plus on-call) reaches £150k–£250k/year before tooling, SIEM licensing and management overhead.
Annual Cost (Medium)
£50,000–£140,000/year Scales with need
Full managed security (including SOC & monitoring) for medium organisations runs approximately £4,000–£12,000/month in the UK.
£300,000–£600,000+/year Very expensive
Proper 24/7 coverage demands at least 7–10 analysts, implying hundreds of thousands in salaries annually before SIEM, EDR and infrastructure.
24/7 Coverage
Included in service Always on
Managed SOC contracts are 24/7/365 by design, with SLAs aligned to NCSC guidance and MDR best practice.
Complex and costly Staffing nightmare
Covering 8,760 hours/year requires at least 5 analysts (single-operator) up to 10 for dual coverage, or "at least eight analysts" by other models.
Staffing
Analysts provided No hiring needed
Provider absorbs recruiting, training and retaining scarce cyber talent in a market with an estimated 93k+ unfilled UK roles.
Hire, train, manage Recruitment burden
UK research shows 44% of businesses have basic cyber skills gaps and 27% have advanced gaps, making SOC staff sourcing difficult.
Expertise Access
Instant specialists Immediate expertise
Managed SOC vendors pool experienced analysts, threat hunters and incident responders, giving SMEs access to skills often out of reach.
Limited by market Talent shortage
Global workforce gap is nearly 4.8 million professionals. UK organisations report significant difficulty retaining cyber talent.
Scalability
Flexible capacity Highly scalable
SOC-as-a-Service lets you add or reduce coverage, data sources and endpoints as you grow, avoiding fresh capex.
Slow, resource-heavy Not agile
Scaling requires new headcount, training and tool expansion – all constrained by skills shortage and long time-to-hire.
Detection Time (MTTD)
Detection in hours Fast detection
MDR services explicitly aim to cut MTTD and MTTR, often targeting detection and containment in hours rather than months.
Average: ~200 days Slow + risky
IBM's 2024 study: average breach lifecycle is 258 days (identify + contain), with ~197 days to identify a breach.
Response SLA
1-hour response NCSC-aligned
UK NCSC's CIR standard views 1 hour as maximum reasonable response time with 24/7 contact. Many managed SOCs align SLAs accordingly.
Internal SLAs only No guarantee
In-house teams set their own response targets and may not meet NCSC-style "within 1 hour" expectations without 24/7 staffing.
Hiring & Retention
No recruitment Zero turnover risk
Provider absorbs analyst churn and backfilling. Some studies report over 40% analyst churn annually in internal teams.
High turnover Expensive to replace
Over half of organisations struggle to retain cyber staff, with stress, pay and limited progression key reasons.
Compliance
Built-in UK expertise GDPR, FCA, NHS, PCI, SRA
Mature managed SOCs embed controls aligned to UK GDPR 72-hour rule, NCSC CIR, NHS DSPT, FCA PS21/3, SRA guidance and PCI DSS Req 10.
Continuous internal effort Ongoing cost
Staying current with UK GDPR, ICO guidance, FCA, NHS DSPT, SRA and PCI DSS requires continuous training and policy updates.
Control
Third-party operated Burden offloaded
Day-to-day detection and response handled by provider under contract with clear SLAs, reporting back into your risk framework.
Full internal control You own all risk
Complete control but must fund, manage and evidence SOC capabilities for regulators, customers and insurers without external guarantees.

The Bottom Line for UK SMEs

For most UK SMEs, a managed SOC delivers enterprise-grade monitoring at a fraction of in-house costs. Global models show in-house SOCs can exceed $1m/year (Lumifi), while UK SME budgets for outsourced security typically sit in five figures (NetNavi).

📊

Small Business (1–50 staff)

A serious breach costs SMBs around £7,960 to recover from. Investing £6k–£24k/year in managed security is far more attainable than hiring a full SOC team.

🏢

Medium Business (50–250 staff)

Full managed security runs £50k–£140k/year, whereas 24/7 in-house SOC (7–10 analysts + tooling) pushes costs into high six or seven figures.

⏱️

Detection Time

Industry average: 258 days breach lifecycle, ~197 days to identify. MDR services target detection and containment in hours, not months.

🎯

Best Fit

41–67% of UK businesses report annual breaches, yet most lack specialists. With a 93k-person skills gap and 50%+ retention struggles, managed SOC is the pragmatic choice.

How it works

How Managed SOC Works

A managed Security Operations Centre (SOC), also known as managed detection and response (MDR), provides continuous monitoring of your IT infrastructure using specialised SIEM platforms, threat intelligence, and certified security analysts. The service operates around the clock—24/7 security monitoring—detecting suspicious activity, investigating alerts, and coordinating incident response.

‍Detection speed is critical—while the average UK SME takes 197 days to detect a breach, a managed SOC typically achieves MTTD under 4 hours. This rapid response capability integrates seamlessly with email security solutions, which address the primary attack vector where most breaches originate.

Operational practices

Typical Managed SOC Operation

When you engage a managed SOC service (also called an outsourced SOC), your infrastructure is connected to the provider's monitoring platform. Security analysts—trained and CISM or CISSP certified—continuously review events and logs in real-time. When a potential threat is detected, the team triages the alert, determines severity, and initiates containment steps if needed. Many managed SOC providers also include threat hunting, where analysts proactively search for indicators of compromise you may have missed.

Response times are governed by strict SLAs: mean time to acknowledge (MTTA) is typically under one hour, and mean time to detect (MTTD) is benchmarked under four hours. This compares to in-house teams that struggle with alert fatigue, staffing gaps, and inconsistent detection capabilities.

Weighing it up

Why SMEs Choose Managed SOC

Most UK SMEs lack the budget and talent pool to build and maintain an in-house team. A managed SOC eliminates the need to hire multiple analysts, invest in expensive SIEM tools, and provide continuous training. The provider assumes responsibility for staffing, tool maintenance, compliance expertise, and incident response—turning cybersecurity from a capital-intensive headache into a predictable monthly service.

Key Differences from Traditional MSP Security

Traditional managed IT service providers (MSPs) offer antivirus, firewalls, and basic threat alerts. A managed SOC goes deeper: it includes active threat hunting, forensic analysis, detailed incident response, and compliance remediation. Traditional MSPs typically respond to tickets during business hours; a true managed SOC operates 24/7 with dedicated analysts and incident response specialists.

Beyond personnel costs, an in-house SOC requires integration with endpoint protection, communications security, and network monitoring. AMVIA's managed approach bundles your Microsoft 365 management security, email threat intelligence, and full-stack SOC capabilities into a single managed service—eliminating gaps between disconnected tools.

Effective SOC monitoring requires visibility across your entire technology estate—from cloud platforms to on-premises infrastructure. Our managed SOC integrates with managed desktop services for complete endpoint visibility, ensuring no device or data point falls outside your security perimeter. This comprehensive approach is the foundation of any robust cybersecurity strategy designed to protect growing UK businesses.

bulletproof cybersecurity

You Need 6 People for 24/7 Coverage. You Have 2.

A "9-to-5" security team leaves you exposed for 128 hours every week. Real 24/7 monitoring requires a minimum of 6 staff and a massive payroll. We handle the nights, weekends, and bank holidays your team won't—without the recruitment nightmare.

Choosing the right strategy

Choose a Managed SOC (Most SMEs) if:

  • Your organisation has fewer than 250 employees or limited IT budget
  • You lack in-house security talent or face high staff turnover
  • You need 24/7 threat detection and response immediately
  • Compliance requirements demand rapid incident response (GDPR, PCI DSS, SRA, FCA)
  • You want predictable, fixed monthly costs with no surprises
  • Your infrastructure is hybrid or multi-site, requiring coordinated monitoring
  • You value access to certified specialists without years of recruitment
uk business compliance image
cyber security insurance
In-House rarely costs in

Choose In-House (Rare for SMEs) if:

  • Your organisation has fewer than 250 employees or limited IT budget
  • Your organisation has 250+ employees and significant IT budget (£250,000+/year cybersecurity investment)
  • You operate critical national infrastructure or defence-related systems requiring full internal control
  • You have extreme regulatory requirements that forbid third-party data handling
  • Your infrastructure is highly bespoke or air-gapped, making outsourced monitoring impractical
  • You have established in-house security leadership (CISO) and can attract talent

Reality Check for SMEs

Even mid-market businesses with 250 employees often choose a hybrid model—a managed SOC for continuous monitoring plus an internal security team for strategy and governance. This balances cost, control, and expertise.

Cost Breakdown

Managed SOC vs In-House (UK 2025)

Compare annual costs, setup investments, and staffing requirements backed by UK government data, salary guides, and industry TCO models.

Managed SOC Annual Cost

60-80% Cheaper

Predictable monthly subscription with zero setup fees. UK market pricing shows outsourced SOC typically costs £500–£2,000/month for small businesses and £4,000–£12,000/month for medium firms.

Business Size
Monthly
Annual
Small 1–50 staff
£500 – 2,000
£6,000 – 24,000
Medium 50–250 staff
£2,000 – 6,000
£24,000 – 72,000
Enterprise 250+ staff
£6,000 – 15,000+
£72,000 – 180,000+

In-House SOC Annual Cost

High Investment

High initial setup (SIEM, tools, infrastructure: ~$500k tooling alone) plus ongoing staffing and 24/7 coverage. Year-one total cost models range $1.9m–$3.9m globally.

Business Size
Setup Cost
Annual Run Cost
Small 1–50 staff
£150,000 – 250,000
£96,000 – 180,000
Medium 50–250 staff
£300,000 – 500,000
£180,000 – 360,000
Enterprise 250+ staff
£500,000 – 1M+
£360,000 – 600,000+

In-House Staffing Breakdown

True 24/7/365 SOC coverage typically requires 5–10 analysts across multiple tiers, plus a dedicated SOC manager. Salary bands shown are UK market rates from industry surveys.

👤

Tier-1 Analysts

Alert Triage
£45,000 – 60,000
  • Alert triage & basic response
  • Escalation to Tier-2
  • Need 2–3 FTE for 24/7
🔍

Tier-2 Analysts

Investigation
£55,000 – 75,000
  • Deep incident investigation
  • Threat analysis & containment
  • Need 1–2 FTE for 24/7
🎯

Tier-3 / Hunters

Advanced Threat
£70,000 – 100,000
  • Proactive threat hunting
  • Advanced forensics & TTPs
  • Typically 1–2 shared
📊

SOC Manager

Leadership
£70,000 – 100,000+
  • Operational oversight & KPIs
  • Compliance & SLA management
  • 1 full-time minimum
🧮

Example: Small Business 24/7 SOC Cost

3× Tier-1 Analysts @ £50k £150,000
1× Tier-2 Analyst @ £65k £65,000
0.5× Tier-3 (shared) @ £85k £42,500
1× SOC Manager @ £80k £80,000
Baseline Salary Cost £337,500

Add SIEM/EDR/SOAR tools (£50k–150k/year), infrastructure, training, and overhead. This is why industry TCO models estimate in-house SOCs cost:

£1m+ per year to run properly

Lumifi MDR Economics

They Take 197 Days to Spot a Breach. We Take 4 Hours.

The average UK SME doesn't see a breach for 6 months. By then, the data is gone. Amvia’s Managed SOC benchmarks a mean-time-to-detect (MTTD) of under 4 hours. Speed isn't a luxury feature—it's the only difference between a "near miss" and a fine.

 email security
 email security
There are a multitude of cost factors to consider

Hidden Costs of In-House SOC You May Forget

It's important to be realistic when estimating the entire cost of setting up a Security Operations Centre

  1. Employee benefits and National Insurance: Add 15–20% to each salary for employer contributions
  2. Training and certifications: CISSP, CISM, threat intelligence training costs £5,000–15,000 per analyst annually
  3. Tool licences: SIEM platforms cost £50,000–200,000 annually; add threat intelligence feeds, endpoint detection, and case management tools
  4. Infrastructure: Servers, data storage, backup systems for SOC logs can cost £30,000–100,000
  5. High turnover costs: Recruiting and onboarding security analysts costs £15,000–30,000 per hire; turnover typically runs 15–20% annually
  6. On-call and shift premiums: Night and weekend shift work demands 15–30% pay premiums
  7. Compliance and audit: Maintaining SOC certifications (NCSC, CREST) and conducting regular audits cost £10,000–30,000 annually
Mean Time to Detect (MTTD) and Response Metrics
Performance Metrics

Mean Time to Detect & Response

One critical measure of SOC effectiveness is mean time to detect (MTTD)—how quickly the team identifies a security incident. This directly affects damage containment and breach costs.

Managed SOC
MTTD
<4 hrs
Industry-standard detection time
In-House Avg
MTTD
197 days
Average breach discovery time
Managed SOC
MTTA
<1 hr
Immediate triage response
Managed SOC
MTTR
24-72 hrs
Full remediation window
Metric
Managed SOC
In-House Average
Impact
MTTD
Mean Time to Detect
<4 hours Industry standard
197 days avg Verizon 2024
197-day gap = 4,728 hours for attackers to move laterally
MTTA
Mean Time to Acknowledge
<1 hour 24/7 coverage
Immediate triage vs. delays from understaffing
MTTR
Mean Time to Remediate
24–72 hours NCSC standard
Critical incidents require rapid containment
Alert Accuracy
Relevant alerts percentage
70–80% Relevant alerts
40–50% False positives
Reduced burnout, faster real threat response
Critical Impact

A managed SOC detects breaches in hours; an in-house team with limited staff may miss critical indicators for weeks or months, giving attackers time to move laterally and exfiltrate data. DCMS data shows the average UK breach discovery takes 197 days, resulting in far greater damage.

4,728 hours Additional time attackers have to operate undetected

Alert Fatigue: The Hidden Risk

The Hidden Cost of Under-Resourced Security

Security analysts in under-resourced in-house teams face alert fatigue—constant low-priority warnings that cause them to miss genuine threats. Studies show that teams investigating 5,000+ alerts daily have a significant miss rate on real incidents. Managed SOCs, with dedicated threat intelligence and automated filtering, reduce false positives dramatically, keeping analyst focus sharp.

20–40%
Miss rate on real incidents with high alert volumes
50–70%
False positive reduction with managed SOC filtering
5,000+
Daily alerts overwhelming understaffed teams
Managed SOC Advantage

Automated threat intelligence and ML-powered filtering reduce noise by 50–70%, ensuring analysts focus only on genuine threats and maintain peak detection accuracy.

GDPR Article 32 Cybersecurity

Compliance and Regulatory Requirements

GDPR requires organisations to implement appropriate technical and organisational measures to protect personal data. A managed SOC satisfies Article 32 requirements through:

  • Continuous monitoring and logging
  • Rapid breach detection (MTTD <4 hours enables GDPR notification compliance)
  • Documented incident response procedures
  • Compliance reporting for regulatory bodies

In-house teams can meet GDPR requirements but must invest in compliance frameworks, documentation, and regular audits—costs often underestimated.

Cyber Essentials Certification (NCSC)

Cyber Essentials—the UK government-backed certification—does not mandate a SOC, but insurance providers and larger clients increasingly require it. A managed SOC typically includes Cyber Essentials alignment and can support compliance audits; in-house teams must implement these controls internally.

Sector-Specific Compliance

Regulatory requirements and implementation approaches across key industries.

Sector
Requirement
Managed SOC Alignment
In-House Need
Law Firms
SRA compliance, attorney-client privilege
Built-in secure handling
Must train staff on privilege protocols
£ Finance
FCA operational resilience, incident reporting
Formal incident response SLA
Requires documented procedures
🛒 Retail
PCI DSS (payment card data)
Compliance monitoring included
Must implement PCI DSS controls
+ Healthcare
NHS Digital standards, incident reporting
Pre-built NHS frameworks
Custom implementation needed
⚖️ Decision Framework

Managed SOC vs In-House: The Real Trade-offs

Most organisations focus on cost and detection speed. But the real choice involves control, customisation, and risk tolerance. Here's what each approach actually sacrifices.

🛡️

Managed SOC

Outsourced security operations

  • 24/7 Expert Detection

    MTTD under 4 hours vs. 197 days for in-house average

  • No Recruitment Burden

    Provider absorbs hiring costs; 93k+ UK skill gap becomes irrelevant

  • Predictable Costs

    £500–£2,000/month for SMBs; no surprise licensing or salary escalations

  • Cross-Client Intelligence

    Access threat data from hundreds of customer environments

  • Rapid Deployment

    Live in 2–4 weeks; no 6–18 month build-out required

What You Trade Away
  • Vendor Lock-in

    Switching becomes difficult after 12+ months. Your data sits in their platform.

  • Limited Customisation

    Detection tuning and response workflows follow vendor playbooks.

  • Third-Party Log Access

    Security logs live externally. Some regulated sectors may reject this.

  • Service Dependency

    Outages or vendor issues become your problem to absorb.

🏢

In-House SOC

Internal security operations

  • Complete Data Sovereignty

    Logs stay on your infrastructure; no third-party access to events

  • Customised Threat Models

    Tailor detection rules to your exact infrastructure and risk profile

  • No Vendor Lock-in

    Full control over tooling; swap SIEM, EDR, or platforms anytime

  • Incident Independence

    Your team owns the response; no dependency on vendor SLAs

  • Regulatory Comfort

    Critical infrastructure and defence may require internal-only monitoring

What You Trade Away
  • Massive Upfront Investment

    £500k–£3m+ setup; year 1 often exceeds £1m for 24/7 coverage.

  • Slow Deployment

    6–18 months to hire, train, and operationalise. Unprotected while building.

  • Staffing Nightmare

    93k+ unfilled UK roles. SOC analysts (£45k–£75k) take 3–6 months to hire.

  • Retention Crisis

    40–50% of analysts leave annually. Turnover costs are relentless.

  • You Own Every Mistake

    Detection misses and compliance failures are 100% your liability.

🚀
Managed Best For
Speed & Cost
🔒
In-House Best For
Control & Custom

The Trade-Off That Matters Most

Managed SOC excels at detection speed and cost efficiency; in-house excels at customisation and control. For most UK SMEs facing skill shortages and budget constraints, the 197-day detection gap makes managed SOC the pragmatic choice. For regulated industries requiring absolute data control, in-house or a hybrid model with 2–3 internal staff may be justified.

Hybrid model

Managed SOC + Internal Security Team

Many medium-sized businesses adopt a hybrid approach to balance cost and control:

  • Managed SOC provides 24/7 threat monitoring, detection, and initial incident response
  • Internal team (2–3 staff) handles security strategy, compliance, vendor management, and employee training

This model typically costs £40,000–100,000 annually and combines the best of both: continuous coverage + strategic control. UK SMEs in regulated industries (law, finance, retail) often choose this approach.

Live in 14 Days. Not 14 Months.

Building internal capability is a year-long project of hiring, training, and buying tools. We plug into your existing infrastructure and start hunting threats in 2–4 weeks. No capital expenditure. No "learning curve." Just instant protection.

Dec 2025 • Updated

Managed SOC vs In-House Security

Comprehensive answers to common questions about security operations centres, detection times, costs, and NCSC accreditation.

What is the difference between a managed SOC and MDR (Managed Detection and Response)?
Managed SOC and MDR are often used interchangeably, both providing 24/7 security monitoring, threat detection, and incident response. Technically, MDR emphasises threat hunting and faster response times, while a managed SOC may include broader compliance reporting. Amvia's managed SOC includes full MDR capabilities, threat hunting, and compliance support, combining detection speed with regulatory oversight.
How long does it take a managed SOC to detect a breach?
Enterprise-class managed SOCs benchmark at mean time to detect (MTTD) under 4 hours, compared to 197 days for UK SMEs using in-house teams. Fast detection is critical because every hour an attacker remains undetected increases data theft risk, regulatory fine exposure, and recovery costs. Amvia's managed SOC typically detects breaches within 1–4 hours of attack initiation.
Can we run both a managed SOC and an internal security team?
Yes—this hybrid model is common for mid-sized businesses. The managed SOC handles 24/7 monitoring and initial response; your internal team (often 2–3 staff) focuses on security strategy, compliance, threat intelligence, and employee training. This balances cost (£40,000–100,000 annually) with strategic control and avoids the £180,000+ expense of a full in-house SOC.
Is a managed SOC NCSC-approved?
Many managed SOC providers hold NCSC certification under the Cyber Incident Response (CIR) scheme at Standard or Enhanced levels. NCSC certification ensures the provider meets minimum response times (1 hour maximum) and incident handling standards. Amvia is NCSC CIR certified; ask your provider for proof of accreditation before engagement.
What happens if our managed SOC provider has an outage?
Reputable managed SOC providers maintain redundant infrastructure across multiple UK data centres with 99.9% uptime SLAs in contracts. Additionally, providers maintain incident response capability even if monitoring temporarily fails—they respond to customer-reported incidents. In-house teams face identical outage risk without redundant infrastructure investment.
Can we leave a managed SOC service if we need to?
Yes—managed SOC contracts typically allow 30–90 day notice periods with no penalties. Some providers offer month-to-month contracts. Unlike in-house teams (requiring heavy hiring and training investment), managed services offer flexibility. However, switching providers may cause temporary detection gaps during transition, so plan handover carefully with overlapping monitoring periods.
How does a managed SOC integrate with our existing security tools?
Managed SOC providers integrate with most major platforms: Microsoft Defender, Cisco, Fortinet, Palo Alto Networks, Splunk, and others via API connections or log forwarding. The provider's security team manages integration; you don't need internal technical resources. In-house teams must manage all integrations themselves, requiring additional staff expertise and 4–6 week implementation timelines.
Does a managed SOC work for multi-site businesses (e.g., branch offices)?
Yes—this is one of the managed SOC's key strengths. A centralised managed SOC monitors all branch sites simultaneously, providing consistent threat detection across dispersed locations. In-house teams struggle to scale across multiple sites without duplicating security staff at each location, making managed SOCs ideal for businesses with 3+ office locations.
What's the typical contract length for a managed SOC?
Most UK managed SOC providers offer 1–3 year contracts with flexibility options (month-to-month or 12-month rollover). Longer contracts typically offer 10–15% discounts. Reputable providers allow exit with 30–90 days' notice, balancing provider revenue protection with customer flexibility. Amvia offers 12-month agreements with 60-day termination rights.
How do we know if a managed SOC is effective?
Key metrics include mean time to detect (MTTD), mean time to acknowledge (MTTA), mean time to remediate (MTTR), alert accuracy rate (% actionable vs. false alerts), and incidents identified monthly. Request monthly or quarterly reports from your provider; transparency indicates maturity. Additionally, ask if they conduct regular penetration testing or security assessments of your environment.