At Portcullis information security is our business. Our expertise has been honed over three decades of developing our own security solutions, investing in top-quality security professionals and delivering security products and services to our clients.

Portcullis is privately owned and managed by the very same directors that founded the company in 1986. We are ferociously independent. We know our clients trust our integrity for unbiased advice when it comes to their security.

Our focus is security services. Specifically, our experts provide clients in both the commercial and government sectors with rigorous security testing to ensure the integrity of their network at all times. In addition, we also specialise in monitored and managed services for security infrastructure and email to provide our clients with a real-time professional response to any security alerts or attacks.

For the UK Government sector, Portcullis is an accredited IT security health check (CHECK scheme) service provider. Our security personnel include a dedicated team of government security cleared consultants who are authorised to deliver CHECK compliant testing services.

At Portcullis, our passion is your security. Our specialists, our technology, our services and our solutions are all dedicated to one cause - enabling our clients to use their IT with maximum protection and productivity.