cordTech Hiring Rankings
UK's Fastest Growing Security Companies
The UK's fastest growing Security companies of Summer 2026 that are actively hiring engineers.
#
Company
Open jobs
Headcount
Growth
Calculated based on % headcount growth in the last 12 months.
1
Clutch Security
London, UK · Computer and Network SecurityEvery Identity. Every Agent. Every Secret. Secured.
1 job
51 - 200
90%
2
OpenWorks Engineering
Northumberland, UK · EngineeringAutonomous Optical Systems And Cuas
3 jobs
51 - 200
85%
3
Inforcer
London, UK · Computer and Network SecurityHelping MSPs & MSSPs to automate Microsoft 365 security across multiple tenants
6 jobs
201 - 500
84%
4
PortSwigger
Knutsford, UK · Software DevelopmentPortSwigger is a web security company on a mission to enable the world to secure the web.
4 jobs
201 - 500
48%
5
Rowden
Bristol, UK · EngineeringBuilding the UK’s next generation engineering powerhouse, providing critical technology for national resilience.
16 jobs
51 - 200
42%
6
Kubus
Cirencester, UK · ConsultancyProviding IT solutions and services to global clientele since 2003.
4 jobs
51 - 200
34%
7
Redsquid
Borehamwood, UK · ConsultancyMaking a Difference to Our Customers
1 job
51 - 200
34%
8
SRT Marine Systems
Bath and North East Somerset, UK · ManufacturingSRT Marine Systems is a global leader in maritime surveillance, management & safety technologies & systems.
4 jobs
51 - 200
33%
9
Nexor
Nottingham, UK · Computer and Network SecuritySecure Information Exchange Specialists
6 jobs
51 - 200
33%
10
Netcraft
London, UK · SecurityTo protect the world from cybercrime
4 jobs
201 - 500
31%
11
Nomios UK&I Ltd.
Basingstoke, UK · Computer and Network Security4 jobs
51 - 200
31%
12
Detego Global
London, UK · Computer and Network SecurityDigital Forensics, Case Management, Endpoint Monitoring, Professional Digital Forensics and Security Services.
3 jobs
51 - 200
30%
13
TwinStream
Cheltenham, UK · Computer and Network SecurityA Cyber Security Startup specialising in Cross Domain Solutions.
1 job
51 - 200
30%
14
Risk Ledger
London, UK · Computer and Network SecurityEnhancing Trust + Security in the global Supply Chain.
2 jobs
51 - 200
28%
15
Protection Group International
London, UK · Computer and Network SecurityWe build long-range digital resilience using technology-supported human insight.
5 jobs
51 - 200
25%
16
Softwerx
Cambridge, UK · Computer and Network SecurityThe Microsoft Cloud Security Specialists
1 job
51 - 200
22%
17
Oryx Align
London, UK · ConsultancyOryxAlign is a thriving, vibrant and mature managed technology services provider.
1 job
51 - 200
21%
18
Trustonic
Cambridge, UK · Computer and Network SecurityWorld-leading trusted technology
5 jobs
51 - 200
19%
19
Saepio
High Wycombe, UK · ConsultancyIncrease Cyber Awareness, Quantify Risk, Improve Security
3 jobs
51 - 200
18%
20
Bridewell
London, UK · Computer and Network SecurityCyber Security. Where it Matters.
10 jobs
201 - 500
15%
21
A&O IT Group.
Bracknell, UK · ConsultancyYour IT challenges, all taken care of
1 job
201 - 500
14%
22
Aspire Technology Solutions
Gateshead, UK · ConsultancyDelivering technology like no other.
7 jobs
201 - 500
13%
23
Genese Solution
Plymouth, UK · ConsultancyDigital Transformation Through Technology
2 jobs
51 - 200
10%
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