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Internal Infrastructure Assessment - Application Assessment - Build Review - Cell Phone and PDA Acquisition and Analysis - Code review - Network Forensics and Investigations

Welcome to Portcullis Computer Security

Portcullis Computer Security Ltd is a leading UK specialist in IT Security Services.


We provide Security Testing and Computer Forensic Services for both the public and private sectors.


Here at Portcullis, information security is our business. We provide our clients with the reassurance that their systems, networks and web sites are secure from threat of attack from unauthorised sources, both externally and from within the organisation using testing consultants whose skill set is second to none. Also our forensic investigators are from a variety of backgrounds in both HMG and the Corporate world with a vast wealth of experience investigating both criminal and civil cases.

The company’s expertise has been honed over the years through developing our own security solutions, investing in top quality security professionals and delivering the best security services to our clients.


We are one of the very few organisations in our sector that can proudly boast of our true independence as a privately owned and funded enterprise. Consequently, our clients can trust our integrity for unbiased advice. We have invested in individuals with the highest skills to ensure that our deliverables are the best and enjoy the support of our excellent customer service.

The company history spans three decades and bears testament to the depth of experience and knowledge that our people possess.


With Portcullis you have a true sense of security.