UK Cyber Security Industry Statistics 2026: Revenue & Jobs

Headline Sector Metrics: Revenue, Employment, and Firm Counts

According to the DSIT Cyber Security Sectoral Analysis 2026, sector revenue reached £14.7 billion, representing an 11% increase over the £13.2 billion recorded in the 2025 sectoral analysis. This double-digit expansion aligns with increased spending on cyber security across UK organisations, including commercial enterprises and the public sector, seeking to reinforce critical operational infrastructure.

DSIT identified 2,603 active cyber security firms operating in the UK in 2026, up from 2,165 in the prior analysis – a 20% year-on-year increase. While this net addition of 438 firms expanded the commercial supplier base, DSIT data indicates that revenue and employment remain heavily concentrated among large firms.

Sector employment reached an estimated 69,589 FTE employees, rounded in government communications to approximately 69,600 FTEs. This represents an annual net expansion of roughly 2,300 jobs, or 3% year-on-year growth from the 67,299 FTE baseline recorded in the 2025 DSIT sectoral analysis. While firm registrations expanded by 20% and employment grew by only 3%, this divergence aligns with national skills-shortage data: DSIT's Cyber Security Skills survey found that approximately 44% of UK businesses face a basic technical skills gap, constraining operational hiring.

Market Structure: Enterprise Scale and Service-Led Economics

Baseline market segmentation from DSIT shows that large firms generate the majority of sector revenues and employ most of the sector’s technical workforce.

In the detailed structural analysis, large commercial enterprises accounted for £9,271 million in cyber security-related revenue and supported 43,368 FTEs across 213 businesses, making them the single largest revenue and employment segment in the sector. By contrast, micro-enterprises (employing 1 to 9 personnel) comprised 1,202 entities—a substantial share of all registered firms—yet generated £394 million in revenue and employed 2,869 FTEs. Medium-sized firms (353 entities) generated £2,780 million with 15,685 FTEs, while small providers (397 entities) accounted for £790 million and 5,377 FTEs.

The UK industry is heavily service-led, with consulting, advisory, and managed services accounting for the majority of sector turnover. According to the 2025 DSIT sectoral analysis, service-led businesses generated approximately £8.4 billion in annual revenue, compared with £6.4 billion generated by product-focused cyber companies. For domestic enterprise buyers, this service dominance tends to shift strategic procurement toward managed operational capabilities, such as security operations centres (SOC) and incident response frameworks.

Regional Distribution: The London Concentration and Regional Clusters

Geographic concentration is a notable feature of the UK cyber sector, with DSIT data showing strong clustering of registered firms and employment in London and the South East. There is an acute divergence between where cyber security providers choose to register corporate entities and where technical operational staff actually reside and deliver services across the country.

According to the 2026 sectoral findings, London and the South East together account for around 72% of registered cyber security companies, with London holding 49% and the South East 23%. This corporate clustering is consistent with trends identified in the 2025 Cyber Growth Action Plan, which reported that London and the South East combined accounted for 55% of the sector’s geographic distribution in the 2025 survey.

In the 2026 sectoral analysis, London accommodates 30% of total estimated FTE employment, followed by the South East at 13%. The remaining 57% of technical practitioners operate across regional clusters: the North West accounts for 10%, the South West holds 9%, the West Midlands supports 8%, Scotland and the East of England each account for 7%, Yorkshire and The Humber maintains 5%, Northern Ireland and the East Midlands each support 4%, while Wales and the North East each account for 3% of estimated FTEs. Buyers seeking local engineering delivery may need to factor these regional staffing realities into their partner selection frameworks.

Enterprise Resilience and Strategic Procurement Implications

The commercial balance between large system integrators and niche service providers directly impacts enterprise IT strategy. Many large organisations with multi-site footprints anchor critical capabilities with top-tier providers capable of supporting 24/7 service availability. Conversely, small and medium enterprises (SMEs) face distinct commercial hurdles when competing for attention and resources from these massive providers.

For mid-market and SME infrastructure buyers, bridging the internal resilience gap often requires adopting standardised security baselines rather than managing complex, fragmented tooling. Aligning internal operations with established technical frameworks allows smaller teams to maintain rigorous defensive postures without carrying the operational overhead of large in-house security teams.

Furthermore, procurement teams outside London and the South East must assess how external suppliers deliver managed security. As noted above, with nearly three-quarters of registered providers concentrated in these two areas, buyers in regions such as the North West, Scotland, and the Midlands may need to consider whether service-level agreements (SLAs) rely on remote monitoring or local on-site engineering resources for rapid incident response.

Workforce Dynamics: Skills Gaps and Capital Distribution

The disparity between rapid company creation (up 20%) and measured headcount expansion (up 3%) is underpinned by systemic talent shortages. Government research into cyber security skills in the UK labour market reveals that approximately 44% of UK businesses lack the internal technical skills to execute basic baseline security, while 30% report gaps in advanced disciplines including incident response, penetration testing, and security architecture.

These operational delivery constraints are reflected in commercial investment dynamics. Although early-stage venture funding cooled across the wider technology ecosystem in 2025–2026, DSIT tracking indicates that capital flows have increasingly consolidated into proven scale-ups and established service providers capable of fielding vetted engineering teams.

For enterprise technology buyers, this bifurcation means that while market entry remains high among agile boutique advisories, high-assurance managed delivery capacity remains anchored within a relatively narrow tier of well-capitalised, scaled providers.

Industry Trajectory: Sustaining Long-Term Market Growth

The UK cyber security sector's trajectory from £13.2 billion in 2025 to £14.7 billion in 2026 illustrates durable demand for technical defence capabilities across both private enterprise and critical national infrastructure. However, the disparity between a 20% increase in registered companies and a 3% expansion in FTE personnel points to distinct qualitative shifts within the market.

Much of the corporate growth is driven by lean specialist firms, boutique advisories, and micro-consultancies addressing specialized technological disciplines. While these agile firms drive innovation in targeted software capabilities, the broader enterprise market relies on large corporate providers to handle large-scale transformation programmes, critical national infrastructure protection, and industrial managed services.

Looking ahead through the remainder of 2026, UK cyber security suppliers face the dual challenge of scaling operational workforces while addressing specialized technical demands. Sustainable sector expansion will require deeper integration between regional education pipelines, technical apprenticeship frameworks, and industrial training initiatives to ensure talent supply aligns with the commercial market's double-digit revenue expansion.

Methodology

This data study synthesises and benchmarks primary intelligence published by the Department for Science, Innovation and Technology (DSIT), specifically the Cyber Security Sectoral Analysis 2026 release (published May 2026), official supplementary newsletters, and the historical baseline established in the Cyber Security Sectoral Analysis 2025 (published March 2025). Additional contextual data on sector structure was integrated from official reports including the 2025 Cyber Growth Action Plan and sectoral analyses compiled by the ICAEW in mid-2026.

Data collection focused on primary, verifiable industrial metrics: active business enterprise counts, total annual sector turnover, direct full-time equivalent (FTE) employment counts, firm scale categorisations, and official regional distribution metrics across the twelve standard UK statistical regions. In accordance with DSIT reporting conventions, active enterprises are defined as commercial entities operating within the UK that provide cyber security products or professional security services as a core commercial offering.

All figures were cross-verified against official statistical tables. Headcount metrics distinguish between registered corporate office locations and estimated operational workforce distribution, preventing geographic distortion caused by central corporate registrations in London and the South East. Year-on-year growth rates compare 2026 published estimates directly against the corresponding 2025 baseline figures without secondary derivation.

Sources

Every figure in this article traces to the sources below.

• •GOV.UK — DSIT Cyber Security Sectoral Analysis 2026 headline revenue, firm counts, and regional metrics
• •GOV.UK — DSIT Cyber Security Newsletter May 2026 employment growth rate and net job additions
• •assets.publishing.service.gov.uk — DSIT Sectoral Analysis Report 2026 precise FTE figures
• •GOV.UK — DSIT Cyber Security Sectoral Analysis 2025 revenue, firm size breakdown, and employment baselines
• •ICAEW — UK Cyber Security Industry Profile product vs service revenue split
• •GOV.UK — UK Cyber Growth Action Plan geographic distribution split