Adrian Gray

Hurley Palmer Flatt Ltd. provides mechanical and electrical engineering consultancy and associated services. Its services include Building Service Engineering, energy and sustainability, IT and AV Security, building structures and civil engineering, critical engineering, advanced building optimization, commissioning, energy and process engineering and specialist services. The company was founded by John Hurley in 1968 and is headquartered in London, the United Kingdom.

Waterman Group Plc engages in the provision of providing engineering and environmental consultancy services. It operates through Property and Infrastructure & Environment segments. The Property segment encompasses the UK Structures and UK Building Services consulting businesses which are involved in development projects both in the public and private sectors. The Infrastructure & Environment segment comprises Waterman's Civil, Transportation and Environmental consulting business, which trades as Infrastructure & Environment consulting and Waterman's specialist Highways & Transportation outsourcing business, which trades as Waterman Aspen. Waterman Group was founded by Harold Waterman in 1952 and is headquartered in London, the United Kingdom.

ChapmanBDSP Ltd. provides building services engineering and environmental consultancy. The private company is based in London, UK. The CEO of the British company is Raymond Upjohn.

Iduna GB is a sustainable infrastructure development company based in the UK. The British company operates in the mobility, telecommunications, and energy sectors with a data-led, social value driven approach. The company was founded in 2020 by Asif Ghafoor and Adrian Gray, with Asif Ghafoor serving as the CEO since then.