cordTech Hiring Rankings
UK's Most Popular Security Companies
The UK's most popular Security companies of Summer 2026 that are actively hiring engineers.
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Company
Open jobs
Headcount
Overall popularity
Calculated based on total number of applications received compared with all companies in Summer ’26.
1
Mickai
London, UK · Machine Learning and AIBritish Sovereign Intelligence Operating System. On-device, post-quantum signed. 104 UK patent applications filed.
8 jobs
1 - 10
Top 18%
2
Voop
London, UK · InternetVoop’s mission is to protect vulnerable children in social care and foster care from harm on smartphones.
1 job
11 - 50
Top 23%
3
Always Further
London, UK · Computer and Network SecurityNew Threat Model New Paradigm We're Defining It
2 jobs
1 - 10
Top 24%
4
Valarian
London, UK · Computer and Network SecurityInnovating for the new era of digital sovereignty
6 jobs
11 - 50
Top 30%
5
ThreatAware
London, UK · Computer and Network SecurityKnow Every Device. Eliminate Exposure.
3 jobs
11 - 50
Top 32%
6
CybSafe
London, UK · Computer and Network SecurityThe human risk management platform
1 job
11 - 50
Top 40%
7
Komcept Solutions Limited
Northamptonshire, UK · SecurityGlobal specialists in bespoke security & intelligence solutions - helping to secure you today and protect your tomorrow.
2 jobs
11 - 50
Top 45%
8
Quantum Base
Lancaster, UK · Computer and Network SecurityQuantum Security Solutions that are simple, practical, 100% secure and on a nano-scale
1 job
11 - 50
Top 46%
9
Cyber Fraud Centre
Edinburgh, UK · Computer and Network SecurityThe Cyber and Fraud Centre ensures Scottish organisations are resilient as they can be against cyber and fraud crime.
1 job
11 - 50
Top 63%
10
Vindex Systems
Crawley, UK · SecurityDelivering electronic security and intelligent vehicle management solutions
17 jobs
11 - 50
Top 66%
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