Illegal content safety duties came into full effect on 17 March 2025, shortly followed by children’s access assessment requirements.

By Gail E. Crawford, Fiona M. Maclean, Alain Traill, Calum Docherty, Edgar Lee, and Amy Smyth

The UK Online Safety Act (OSA) establishes an extensive regulatory framework for providers of online user-to-user services and search services with links to the UK, catching a large number of digital platforms and services. The OSA applies to both UK…