UK Approved Members

Penetration Testing Cyber Security
Incident Response
STAR (Simulated Targeted Attack & Response) Penetration Testing CBEST Approved Penetration Testing Provider STAR Threat Intelligence CBEST Approved Threat Intelligence Provider Cyber Essentials
2-sec Ltd
4ARMED Ltd  
7Safe Ltd  ✓
Ambersail Ltd
A&O Corsaire  
BAE Systems Applied Intelligence
BSI Group
BT Security  ✓  ✓
Bulletproof (ServerChoice)
Capita IT Professional Services
CGI IT UK Ltd
Cigital Ltd  ✓
Cisco
Cognosec Ltd  ✓
Commissum
Context Information Security  ✓
Control Risks Group Ltd
Convergent Network Solutions Ltd
Cyberis Ltd  ✓
Deloitte Touche Tomatsu
Digital Assurance Consulting Ltd  
Digital Shadows Ltd
DigitalXRAID Ltd  
Dionach Ltd
ECSC Group PLC
Ernst & Young LLP
Espion Group  
Falanx Cyber Defence
First Base Technologies LLP  
Gotham Digital Science  ✓   ✓
Hedgehog Security
Hewlett Packard Enterprise  ✓ ✓ 
IBM United Kingdom Ltd  
Info-Assure Ltd  ✓  ✓
Information Risk Management Ltd
Integrity SA
Integrity360
InteliSecure Ltd
IT Governance Ltd
JUMPSEC Ltd
KPMG LLP  ✓
Mandiant  ✓
MDSec Consulting  ✓
MTI Technology Ltd  
MWR Infosecurity Ltd  ✓
NCC Group  ✓  ✓  ✓
Nettitude Group
NTA Monitor Ltd
NTT Com Security (UK) Ltd
Obrela Security Industries
OmniCyber Security Ltd
Pentest Ltd
Pen Test Partners LLP  ✓
Perspective Risk Ltd
PGI Strontium Ltd  ✓  ✓
ProCheckUp Ltd  ✓
PwC  ✓  ✓
QinetiQ Ltd
Rapid7, Inc
Redscan Cyber Security Ltd
Regency IT Consulting
Sapphire Technologies Ltd
SEC-1 Ltd  
SEC Consult
SECFORCE Ltd  ✓  
SecureWorks
Security Alliance  ✓  ✓
Silcox Information Security Ltd
SpiderLabs (Trustwave)
Stroz Friedberg
SureCloud Ltd  ✓  ✓
Symantec Ltd  ✓
Verisign iDefense
Verizon (UK) Ltd  ✓
Westpoint Ltd
ZeroDayLab Ltd