Colas Rail UK Rating A · Worker

Colas Rail UK is a major railway infrastructure contractor that delivers design, engineering, project management, construction, and maintenance solutions. The company is a subsidiary of the Bouygues Group and operates across the entire transportation infrastructure value chain.

Its technical specialisms include track installation and renewal, overhead and third-rail electrification, high-voltage traction power, and the operation of rail freight. The business also manages the refurbishment and maintenance of rolling stock and provides turnkey urban mobility systems for passenger networks.