Top 25 Construction companies based in the United Kingdom

“Our purpose is to sustainably deliver infrastructure which is vital to the UK.”

“Mace Consult launched as a new and independent business on 5 March 2026, through a carve-out from Mace Group.”

“Interserve is one of the world’s foremost construction, ground shoring and citizen services companies and we have a workforce of circa people worldwide.”

“Costain helps to improve people’s lives by creating connected, sustainable infrastructure that enables people and the planet thrive.”

“Galliford Try is a leading UK contractor, and a member of the FTSE 250, passionate about providing high quality buildings and infrastructure for communities across the nation.”

“Murphy is a leading international, multi-disciplined engineering and construction company founded in 1951 that improves life by delivering world-class infrastructure.”

“Innovo is an industry leader in construction and innovation across the built environment, specialising in the design, engineering, construction, development and infrastructure…”

“Willmott Dixon is a privately-owned construction and interior fit-out specialist with the ambition to create a huge and lasting positive, impact on our society.”

“Established in 1986, SEP has been the industry’s leader for site engineering, surveying and management solutions for over thirty years, providing vital services, resources and…”

“Sir Robert McAlpine is a family-owned building and infrastructure company operating across the UK.”

“Ridge is a built environment consultancy, helping clients turn complex briefs into buildings and infrastructure that perform in the real world.”

“We're a leading vertically-integrated international construction materials group in Great Britain, Ireland and the United States.”

“The Clancy Group was founded in 1958 by Michael Clancy as M.J.”

“We’re one of the largest family-owned construction, infrastructure and support services businesses in the UK, and we apply the same principles to every aspect of our business…”

“FM Conway is a leading infrastructure services company delivering vital services in transportation, the built environment and open spaces for communities and businesses.”

“VolkerFitzpatrick is a multi-disciplinary contractor working in the civil engineering, building, rail, waste and energy infrastructure sectors.”

“Who are we?”

“The Bowmer + Kirkland Group (B+K) is one of the UK's most successful, privately-owned construction and development groups.”

“Over 25 years the JRL Group has grown from a company specialising in sub and superstructure packages to a business that offers integrated construction solutions by incorporating…”

“Pick Everard is a leading multi-professional consultancy working within the property, infrastructure and construction industry.”

“Construction Enquirer is a free breaking-news service for UK construction.”

“Formed in 2001, Winvic Construction Ltd is a leading main contractor that specialises in the design, build and fit-out of industrial, multi-room and commercial projects, and the…”