Define.Trusted partner of many leading private and public sector organisations. We specialise in security risk, threat and vulnerability analysis and security mitigation design for the built environment; providing support for the full security project timeline from definition, design through to delivery.











Three phases. One outcome.
From the first threat assessment to the final compliance audit, every Critec engagement follows the same disciplined arc — Define, Design, Deliver.
The security site, modelled to engineering grade.
Critec 360 brings drone-LiDAR, Gaussian splatting and engineered site plans together into one digital twin — measure it remotely, design CCTV coverage against the site's real geometry, and verify the build in augmented reality on site.
One capture, three registered layers
The measurement backbone
Drone & SLAM LiDAR
The photoreal surface
Gaussian splatting (3DGS)
The engineering frame
Engineered site plans
National infrastructure. Public sector. Private enterprise.
Sector 01
National Infrastructure
Securing the systems the country runs on.
Sector 02
Public Sector
Protecting people, places and the public realm.
Sector 03
Private Sector
Reducing business, asset and reputational risk.
Trusted by operators of the systems we all rely on
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“A safe pair of hands — you manage the process from inception to delivery, providing innovations whilst ensuring time and money savings.”
Humi Asif
Specialist Procurement Consultant
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