Does the EU AI Act apply to UK companies?

Check your systems, role and EU exposure.

It can apply to UK firms placing AI systems on the EU market. Your legal owner should check each system’s role, classification and current duties against the published timetable. This is not legal advice.

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Theme
Proving it and controlling it
Read time
3 minutes
Questions answered
6 in full
Updated
Evidence basisOur approach
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Evidence basis

The basis for this approach

This guide reuses the dated regulatory position and official sources already published in Tenhaw’s governance guide. This is delivery guidance, not legal advice. Your legal owner determines the duties and classification for each system.

On this page

The demand signal

Regulation (EU) 2026/1744 entered into force on 27 July 2026. It moved the application of Chapter III, Sections 1 to 3, except Article 6(5), to 2 December 2027 for Article 6(2)/Annex III high-risk systems and 2 August 2028 for Article 6(1)/Annex I systems. Its amended Article 4 still requires providers and deployers to take measures supporting the AI literacy of staff and people using systems on their behalf, without guaranteeing any individual’s specific level. Confirm your system’s classification, your role and the duties that follow with the legal owner.

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Why it stalls

2 failure modes we keep meeting

UK location is mistaken for the whole scope test

A UK firm selling or deploying into the EU needs its legal owner to check the systems and the firm’s role. Location alone does not settle the question. This is not legal advice.

A moved date becomes a reason to stop the inventory

The inventory, decision owners and evaluation records still help the business decide what to test or change next. Confirm the current legal duties rather than assuming every use case has the same obligations.

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How we approach it

3 moves, in order

  1. 01

    Count and describe the systems

    Identify purposes, owners, source access, review points and evidence gaps. Keep embedded vendor features and tools adopted outside a formal programme in view.

  2. 02

    Run the classification with counsel

    Use practical consequence triage first, then the legal test against the current regulation with counsel. Keep the classification live as scope and use change. This is delivery guidance, not legal advice. Your legal owner determines the duties and classification for each system.

  3. 03

    Produce the records during delivery

    The governance method connects audit trails, evaluation results, approval records and change history to the workflow. Review which records support the legal owner’s decisions for your system.

Review which records support the legal owner’s decisions for your system.
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Questions this guide answers

Does the EU AI Act apply after Brexit?

It can. UK firms placing systems on the EU market need to check the Act against their systems and role. Your legal owner should establish the duties for the particular case. This is not legal advice.

When do the high-risk rules apply?

Regulation (EU) 2026/1744, Article 1(40)(b), sets application of Chapter III, Sections 1 to 3, except Article 6(5), at 2 December 2027 for systems classified as high-risk under Article 6(2) and Annex III, and 2 August 2028 for those under Article 6(1) and Annex I. Other provisions have their own dates. Confirm the current position with your legal owner; this is not legal advice.

Should we pause governance work because the deadline moved?

Continue with a proportionate inventory and clear decision ownership. The changes include more than timing, so your legal owner should verify current duties while delivery teams identify purposes, owners, access, review points and evidence gaps. This is not legal advice.

Does ISO 42001 cover the EU AI Act?

No. ISO/IEC 42001 certifies how an AI management system is run; the Act asks what a particular system evidences. The disciplines overlap, but certification does not discharge per-system obligations. This is not legal advice.

What evidence does a high-risk system need?

The existing governance guide identifies conformity assessment, technical documentation, risk management, data governance, human oversight, registration and post-market monitoring. Your legal owner must establish which duties apply to your system and role. This is not legal advice.

Who classifies our systems?

Delivery and risk teams can first triage the inventory by consequence. The legal test belongs with counsel and the accountable legal owner, using the current official text. Record the decision and revisit it when the system’s scope changes.