Mitie

Mitie serves more than 3,000 customers across the public and private sectors, from banks and retailers to hospitals, schools and critical government strategic assets, and reported £5.6bn revenue in FY26 with 77,500 people.

The company takes care of its customers' people and buildings by delivering core services and deploying advanced technology, and it also publishes insights such as its Net Zero Navigator and ESG reporting, having operated at net zero for Scope 1 and 2 emissions by the end of FY25 under its Plan Zero programme.