Does the EU AI Act apply to UK businesses? (2026 answer with dates)

Updated 13 Oct 2026 · Disclosure: products linked below are Unadhi products with free editions.

Short answer: Yes, in two common cases. (1) You place an AI system on the EU market, wherever you are established (Art 2(1)(a)). (2) You are a UK provider or deployer and the output of your AI system is used in the EU (Art 2(1)(c)). Brexit does not change this.

Which UK businesses are caught

A UK SaaS selling an AI feature to EU customers (provider).
A UK firm whose AI scores, screens, writes or generates content that EU clients or branches use (output used in the Union; Recital 22 explains the anti-circumvention aim).
A UK company with an EU subsidiary that uses AI (that subsidiary is an EU deployer).

Dates that apply now (after the Digital Omnibus)

Date	What applies
2 Feb 2025	Prohibited practices; AI literacy
2 Aug 2025	General-purpose AI model duties
2 Aug 2026	Article 50 transparency; enforcement starts
2 Dec 2026	Art 50(2) marking for generative systems already on the market; new prohibitions
2 Dec 2027	High-risk systems in Annex III (e.g. recruitment, credit)
2 Aug 2028	High-risk AI in regulated products (Annex I)

First step (15 minutes)

List every AI tool you build or use.
Mark which outputs reach EU customers, staff or users.
For each one, note your role (provider or deployer) and whether it chats with people or generates content (Article 50).

Next step: record your AI systems in the EURO AI Register free edition. It runs in your browser, with no account and no upload. Paid plan from $19/month if you need more.

Official sources

General information, not legal advice. Unadhi is not affiliated with the UK Government, the ICO/Information Commission or any EU authority.

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