Consultants
- 121
 - security-assessment.com
 - A research and development organisation that delivers audit and assurance services to organisations who require independent measurement of their security compliance.
 
- 122
 - Alderbridge Consultancy Ltd
 - Provides IT security consultancy services specialising in network security, firewalls, and vulnerability assessment.
 
- 123
 - Amethyst Risk Management Limited
 - Provision of information security and system safety consultants for government and commercial clients. Specialising in the identification and management of risk.
 
- 124
 - AppSecure Labs Limited
 - A UK based specialist application security consultancy offering web application security, penetration testing, code review, threat modeling, secure architecture design and SDL security consultancy services.
 
- 125
 - Armana Security Ltd
 - Offering services on email management, firewalls, policy management, intrusion detection systems and BS7799 compliance.
 
- 126
 - Aston Information Security
 - Offers services in the areas of information security, disaster recovery, business continuity and digital forensics.
 
- 127
 - Computer Crime Consultants
 - UK company specialising in penetration testing, computer forensics, incident handling, intrusion detection systems, virtual private networks, firewalls and corporate fraud investigations.
 
- 129
 - Gradian Systems
 - Independent security consultants specialising in encryption, authentication, e-mail and enterprise compliance.
 
- 130
 - IsecT Ltd.
 - IT management consultancy specialising in information security, computer audit and other aspects of IT governance in the United Kingdom.
 
- 131
 - Mandalorian Security Services Ltd
 - Provides a range of information assurance and advisory services, with a focus on high-end Enterprise security, technical services and information security management.
 
- 134
 - Sec-1 Network Security
 - Offers range of security consultancy services from managed firewalls to penetration testing.
 
- 135
 - Secforce
 - IT security consultancy. Offers penetration testing, web application testing and source code review.
 
- 136
 - Securion Technology Ltd.
 - An independent consultancy specialising in Network and Information Security solutions and services. Located in Swansea, Wales, UK
 
- 137
 - StationX
 - Provides a full range of security services as well as software resources. Located in the UK.
 
- 138
 - Trusted Management Ltd
 - Specializes in operational risk management, BS7799 compliance reviews, policy and procedure development, security architecture development.
 
