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
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
300%
2
Clutch Security
London, UK · Computer and Network SecurityEvery Identity. Every Agent. Every Secret. Secured.
1 job
51 - 200
90%
3
OpenWorks Engineering
Northumberland, UK · EngineeringAutonomous Optical Systems And Cuas
3 jobs
51 - 200
85%
4
Inforcer
London, UK · Computer and Network SecurityHelping MSPs & MSSPs to automate Microsoft 365 security across multiple tenants
6 jobs
201 - 500
84%
5
CloudSecure
Cheltenham, UK · Cloud and InfrastructureWe build cloud infrastructure and applications for customers with exceptional security and performance needs.
2 jobs
11 - 50
64%
6
ThreatAware
London, UK · Computer and Network SecurityKnow Every Device. Eliminate Exposure.
3 jobs
11 - 50
52%
7
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%
8
Rowden
Bristol, UK · EngineeringBuilding the UK’s next generation engineering powerhouse, providing critical technology for national resilience.
16 jobs
51 - 200
42%
9
Socura
Cardiff, UK · Computer and Network SecurityManaged Detection and Response
2 jobs
11 - 50
37%
10
Reformed IT
Nottingham, UK · ConsultancySecurity focused, managed IT services for businesses based in the Midlands. Our clients range from 20 - 250 employees.
1 job
11 - 50
36%
11
Kubus
Cirencester, UK · ConsultancyProviding IT solutions and services to global clientele since 2003.
4 jobs
51 - 200
34%
12
Redsquid
Borehamwood, UK · ConsultancyMaking a Difference to Our Customers
1 job
51 - 200
34%
13
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%
14
Nexor
Nottingham, UK · Computer and Network SecuritySecure Information Exchange Specialists
6 jobs
51 - 200
33%
15
Netcraft
London, UK · SecurityTo protect the world from cybercrime
4 jobs
201 - 500
31%
16
Nomios UK&I Ltd.
Basingstoke, UK · Computer and Network Security4 jobs
51 - 200
31%
17
Detego Global
London, UK · Computer and Network SecurityDigital Forensics, Case Management, Endpoint Monitoring, Professional Digital Forensics and Security Services.
3 jobs
51 - 200
30%
18
TwinStream
Cheltenham, UK · Computer and Network SecurityA Cyber Security Startup specialising in Cross Domain Solutions.
1 job
51 - 200
30%
19
Risk Ledger
London, UK · Computer and Network SecurityEnhancing Trust + Security in the global Supply Chain.
2 jobs
51 - 200
28%
20
FSP
Reading, UK · Computer and Network SecurityLeading enterprise-level digital evolution and cyber security
2 jobs
501 - 1000
28%
21
Valarian
London, UK · Computer and Network SecurityInnovating for the new era of digital sovereignty
2 jobs
11 - 50
28%
22
Protection Group International
London, UK · Computer and Network SecurityWe build long-range digital resilience using technology-supported human insight.
5 jobs
51 - 200
25%
23
TryHackMe
London, UK · EdTechHands-on cyber security training through real-world scenarios.
4 jobs
1001 - 5000
24%
24
Softwerx
Cambridge, UK · Computer and Network SecurityThe Microsoft Cloud Security Specialists
1 job
51 - 200
22%
25
Oryx Align
London, UK · ConsultancyOryxAlign is a thriving, vibrant and mature managed technology services provider.
1 job
51 - 200
21%
26
Trustonic
Cambridge, UK · Computer and Network SecurityWorld-leading trusted technology
5 jobs
51 - 200
19%
27
Acora - Managed IT Services
West Sussex, UK · ConsultancyUniting IT and Security Operations.
6 jobs
501 - 1000
19%
28
Saepio
High Wycombe, UK · ConsultancyIncrease Cyber Awareness, Quantify Risk, Improve Security
3 jobs
51 - 200
18%
29
MASS
Saint Neots, UK · SecurityWe make your data inform faster, work harder, stay safer. Giving you the edge.
6 jobs
1001 - 5000
16%
30
Bridewell
London, UK · Computer and Network SecurityCyber Security. Where it Matters.
10 jobs
201 - 500
15%
31
Draken
Dorset, UK · Security Prepare to Prevail
6 jobs
501 - 1000
14%
32
A&O IT Group.
Bracknell, UK · ConsultancyYour IT challenges, all taken care of
1 job
201 - 500
14%
33
Aspire Technology Solutions
Gateshead, UK · ConsultancyDelivering technology like no other.
7 jobs
201 - 500
13%
34
NCC Group
Manchester, UK · ConsultancyAt the heart of cyber innovation - helping to make the world safer and more secure
19 jobs
1001 - 5000
11%
35
Genese Solution
Plymouth, UK · ConsultancyDigital Transformation Through Technology
2 jobs
51 - 200
10%
36
Intelance
London, UK · ConsultancyWe design and run enterprise architecture, cyber and AI change for CIOs and CISOs in regulated organisations.
9 jobs
11 - 50
10%
More growth rankings
Find high quality people looking for work
Join the thousands of technology companies using cord to make their direct hires
Search 11,289 active candidatesGet a demo
