David T. Simons

ISS Technical Services Holdings Ltd. provides facilities and energy management services. The group services relates to building engineering, energy management, environmental, building fabric maintenance, helpdesk, landscaping, specialist & general cleaning, security and waste management. The company was founded by George Scarr Hall in 1895 and is headquartered in Stoke-on-Trent , the United Kingdom.

Facilities Services Group Ltd. provides outsourced facilities services to corporate clients. The company was founded in 1992 and is headquartered in London, the United Kingdom.