GSH Group's services are centered around saving energy. The company provides such services as building engineering and maintenance that help facilities improve energy efficiency and emissions control. It does mechanical and electrical work, installs HVAC systems, refurbishes roofing and drainage systems, and offers water quality treatment and equipment. The group serves clients in the financial, industrial, leisure, pharmaceutical, retail, and telecommunications markets; they include IKEA, Pfizer, and T-Mobile. Land Securities is among its public-sector clients. Named after founder George Scarr-Hall, GSH Group is still owned by members of the Scarr-Hall family and has operations in the UK, Europe, and the US.