Lorne Stewart is one of the largest building services providers in the UK. Its specialty contracting operations include electrical and mechanical construction, as well as security, network systems, ventilation, plumbing, and HVAC systems. Lorne Stewart also provides telecommunications, energy management, facilities management, document management, and water treatment services. The company will even put up your office holiday decorations. Customers include schools, hospitals, government offices, and private companies including Barclays Bank, EDF Energy, and the Royal Opera House.