Tristan Paul Llewllyn

Roger Bullivant Ltd. provides civil and structural engineering services. The company is headquartered in Burton-on-Trent, the United Kingdom.

Part of VINCI SA, Bachy Soletanche Holdings (Europe) Ltd. is a worldwide leader in modern geotechnics and foundation engineering. Founded in 2003, the company is based in Burscough, UK. The British company is proud to create sustainable geotechnical solutions through Trust, Partnership, and Excellence. Bachy Soletanche brings their experience, innovation, and expertise together to deliver the highest quality ground engineering solutions. The company has a reputation for quality and innovation within the field of foundation and underground engineering. The company's mission is to create something unique and built to last, delivering innovative solutions to provide a sustainable future.

Geostructural Solutions Ltd. provides structural engineering services. It offers construction of basements, jacking and moving, underpinning, crane bases and temporary foundations, and space creation services. The company was founded by Andrew Albert Parks and Tim Jolley in April 2004 and is headquartered in Welwyn Garden City, the United Kingdom.

Part of VINCI SA, Sixense Ltd. is a company based in London, UK that was founded in 1991. The British company offers services related to the knowledge of grounds, environment, and works. The company's mission is to monitor the state and behavior of infrastructure, secure their construction, and optimize maintenance. Sixense provides solutions and expertise to turn infrastructure into living assets.

Part of VINCI SA, Vibro Menard Ltd. is a ground improvement specialist with over 30 years of experience in designing and building sustainable solutions. The company is based in Burscough, UK, and is committed to leading by example in their relationships with stakeholders around the world. The British company is particularly effective in improving slope stability and preventing soil consolidation. Founded in 1992, the company offers a wide range of techniques, including stone columns, to reduce settlement and increase load-bearing capacity.

Part of VINCI SA, Westpile Ltd. is a British company that offers piling services. The company is based in Burscough, UK and was founded in 2003.

GSS Piling Ltd. engages in the provision of civil engineering and mini piling contractor services. It serves the residential, commercial, and public authorities. The company was founded in September 2006 and is headquartered in Welwyn Garden City, London.