Based in Central London, GEM has been a leading building maintenance contractor since 1999, serving London and the Southeast across sectors like local authorities, social landlords, schools, and commercial buildings.
Committed to sustainability and quality, GEM delivers exceptional customer-focused services through its eco-friendly head office, directly employed engineers, and shared services team.
GEM specialises in heat metering solutions, mechanical, electrical, gas, and renewable installations, as well as maintenance and remedial works, contributing to community regeneration and refurbishment projects.
Since 2020, we have expanded into new areas, and have established successful Technology and Compliance departments to further elevate our business services.
