About Us
We deliver intelligent protection solutions for critical infrastructure, high-risk environments, and rural areas. From advisory and design through implementation, commissioning, and operational support, we help clients strengthen resilience, manage risk, and protect people, assets, and infrastructure with discipline and precision.
About our company
Intelligent Security Solutions. Delivered with Precision.
Security only works when everything works together.
We don’t just design security. We make it work in the real world. Every solution is shaped around how organisations actually operate, bringing clarity, control, and confidence at every level.
We work closely with our clients to understand their risk landscape and operational priorities, ensuring every solution is practical, scalable, and built to last. Our approach connects people, processes, and technology into one seamless and resilient system.
By bringing strategy, systems, and operations together, we remove complexity and enable smarter, faster decisions. We turn fragmented efforts into a single accountable framework that delivers measurable outcomes.
In high-consequence environments, security is not just about protection. It is about performance.
Our Approach
Every engagement begins with a structured understanding of operational exposure, environmental context, and accountability requirements. We do not start with technology. We start with risk. From there, we design and deliver security solutions that function in live conditions, not just on paper.
Meet Our Team
Our work is driven by people who understand security in real world conditions. They design, deliver, and manage solutions that protect people, assets, and operations across complex environments worldwide.
Frank Doherty
Chairman
Frank Doherty
Chairman
Frank is the co-founder and Managing Director of Critec Group Ltd, a consultancy providing PMO, security risk services, security systems design, and blast mitigation advice to government, utilities, and other high-security clients.
His work supports the delivery of multi-million-pound national infrastructure security programmes across the UK, helping clients translate risk into practical, standards-aligned designs that can be delivered and commissioned on operational sites.
Frank is also a Director of the Association of Security Consultants (ASC) responsible for Membership activities.
Dave Harman
Director
Dave Harman
Director
Initially involved in commercial investigation and surveillance, and then progressing into leading edge technical solutions in the 1990’s. He worked on both commercial and government/police major projects throughout the 1990’s..
In the 2000’s he founded and managed a company that developed, patented and manufactured high end cutting edge covert and long range optical solutions for government departments worldwide..
Dave has been involved in several major border projects, specialising in long range visible spectrum optical solutions and laser illumination to generate evidential quality images in total darkness, fog and sandstorms and progressed into under-vehicle optical scanning, through glass facial recognition and optical sighting systems..
His experience also includes aircraft and vehicle based optical solutions and drone/avionics integration..
Currently he is involved in integrating cutting edge proven technology to border projects and critical infrastructure..
He currently lives on a 1923, 27 metre Dutch barge on the River Severn in the UK which he has renovated and in his spare time like to work with older sports cars, motorcycles and enjoys target shooting.
