BritBox is a privately owned streaming service founded in 2019 and headquartered in the US. Initially a joint venture between BBC Worldwide Americas and ITV, it transitioned to full ownership by BBC Studios in March 2024. The service offers on-demand video content, primarily consisting of British television programming. As of 2023, BritBox employed approximately 60 people and generated less than $50 million in revenue.
HBO Max will host a two-month promotional event featuring 15 BritBox titles, from August 1 to September 29, 2025. A dedicated BritBox app section, titled "The Best of British TV by BritBox," will be available on HBO Max during this period. In August 2025, BritBox will add new streaming content.