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Protect Duty (Martyn’s Law)

Preparing publicly accessible premises for Martyn’s Law coming into force in the United Kingdom

The Terrorism (Protection of Premises) Act 2025, known as Martyn’s Law, establishes a new preparedness and protection framework for certain premises and events in the United Kingdom. The Act received Royal Assent on 3 April 2025, but its main obligations are not yet in force. The Security Industry Authority indicates that it is expected to come into force in spring 2027.

ASS helps organisations understand whether they are within scope, review their current procedures and prepare measures proportionate to their premises and activity. Our support may include gap analysis, planning, training and exercising. ASS provides technical support and does not act as a regulator, nor does it itself certify legal compliance.

Gap analysis

Evaluate current security measures against the published official requirements of the Protect Duty.

Risk assessments

Identify credible threats, vulnerabilities and practical countermeasures tailored to each site.

Security planning

Develop written plans, response protocols and staff guidance that stand up to scrutiny.

Training & exercising

Prepare teams through realistic drills and scenario-based exercises.