Capstone FM

Capstone FS provides design and build, refurbishment, fit-out, maintenance and compliance services for commercial, retail, industrial, residential and leisure properties across London and the South East. Its work includes architectural and mechanical and electrical design, residential builds, retrofit and ongoing building care. The company says it began with maintenance contracts and was founded in 2014–15.

For maintenance clients, Capstone coordinates heating, boiler maintenance, air conditioning, ventilation, chiller servicing, drainage, fire systems, water treatment, electrical and plumbing services, as well as fabric maintenance and planned preventive maintenance. It says a dedicated on-call team and helpdesk arrange call-outs, provide updates and support clients through a portal; a selected network of certified contractors carries out work.

The company describes itself as one accountable partner from design through delivery and ongoing care. Its project work includes office refurbishments and fit-outs, alongside residential builds and conversions. Capstone reports delivering more than 340 projects and holds SafeContractor accreditation and ISO 9001 accreditation.