Martyn’s Law duties are not yet in force — the SIA expects commencement in early spring 2027. martynslaw.app helps you prepare, document and keep evidence now.
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Facilities firm Mitie publishes refreshed Martyn's Law guidance for venues

Published

Mitie, a private facilities and security provider, has updated its own guidance on preparing for Martyn's Law. It is a useful prompt for venue operators to keep familiarising themselves — but it is not official regulator guidance.

What happened

Mitie, a UK facilities management and security company, has issued an updated version of its guidance on the Terrorism (Protection of Premises) Act 2025 — better known as Martyn's Law. This is commercial material from a private provider, not guidance from the Home Office or the Security Industry Authority. It reflects the growing number of organisations producing their own briefings as venues start to look ahead.

What it means for venues

It is a sign that awareness of Martyn's Law is building across the sector. Material like this can help you understand the broad shape of the duties — the standard tier (200 to 799 people expected at the same time, including staff) and the enhanced tier (800 or more). But remember that commercial guidance is one view among many, and the law's duties are not yet in force.

What hasn't changed

The duties are still expected to commence in spring 2027, with the exact date to be confirmed. The SIA is the regulator, and its notification process is not yet live. Nothing about this update brings any deadline forward or creates a duty you must meet today.

What to do now

Treat any third-party briefing as background reading, not a substitute for the official guidance that will follow. Use this period to get familiar with which tier your premises is likely to fall into, and to start thinking about who would lead your preparation. There is no need to rush or to buy services to be ready in time.

This is our plain-English summary. Read the original in full at Mitie.

Where does your venue stand?

The free readiness checker gives you an indicative tier in about five minutes — or read the plain-English guide to the whole Act.

All updates

What this is — and what it is not

martynslaw.app is a preparation and document-management tool. It is not legal advice, not official guidance, not official certification, not SIA approval and not a guarantee of compliance. The responsible person must review and approve all documents before use.

martynslaw.app is an independent product. It is not affiliated with, or endorsed by, the Home Office, the Security Industry Authority or any other public body. Official sources are cited as sources only.