Catalyst is one of the UK’s leading housing providers in London and the Home Counties, managing over 37,000 homes.

In April 2022 Catalyst joined the Peabody Group as a subsidiary, ahead of merging fully in April 2023. The new organisation is responsible for 104,000 homes, with 220,000 residents across London and the South East of England. Catalyst's purpose is helping people flourish. They do this by providing great homes and services, by making a positive difference to the communities they serve and by providing an inclusive and inspiring place to work.