The Arbitration Act 2025 – Factsheet
- 09 July 2026
- Litigation and dispute resolution
The Arbitration Act 2025 (“AA25”) came into force on 1 August 2025 and applies to any arbitration commenced on or after that date and any court proceedings, unless they relate to an arbitration commenced before that date. The AA25 works by amending provisions of the Arbitration Act 1996 (“AA96”), which is now a 30-year-old piece of legislation. The implementation of the AA25 seeks to reenergise London’s offering as a key seat for international arbitration and brings some substantial developments. This factsheet will contain a whistlestop tour of those developments.
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This factsheet provides an overview of some of the key developments brought into force by the AA25 and does not seek to be an exhaustive list. If you have any questions in relation to the AA25, or arbitration more generally, please do get in contact with Clarkslegal’s dispute resolution team.
This factsheet covers the major reforms introduced by the Arbitration Act 2025, highlighting how these changes update and clarify key aspects of arbitration law in England. It outlines significant new provisions impacting summary disposal, jurisdictional challenges, emergency arbitrators, arbitrator disclosure duties, and governing law in arbitration proceedings.