Mott MacDonald is an independent, employee-owned global management, engineering, and development consultancy with corporate roots extending back to 1888 (Mott, Hay and Anderson, who engineered the world’s first deep-level electric tube railway, the City and South London Railway) and 1902 (Sir M MacDonald & Partners). Following their merger in 1989, Mott MacDonald has expanded into one of the world’s largest privately owned professional services firms, employing over 19,500 staff across 150 countries.

In the railway and transit sector, Mott MacDonald is globally recognised for delivering complex transport infrastructure from inception to operation. The firm’s multidisciplinary portfolio covers high-speed rail, heavy freight lines, automated metro systems, light rail, and multi-modal transit hubs. Mott MacDonald has served as lead technical advisor, lead designer, or delivery partner on landmark mega-projects including the Channel Tunnel, London’s Elizabeth Line (Crossrail), High Speed 2 (HS2), the Northern Line Extension, and major upgrades to complex underground stations such as London Bank and Victoria.

Globally, Mott MacDonald plays a central role in transforming passenger mobility across major international hubs. Key reference deliveries include the driverless Sydney Metro and Melbourne Metro Tunnel in Australia, Auckland’s City Rail Link (CRL) in New Zealand, the Jakarta MRT in Indonesia, Toronto’s Ontario Line in Canada, and the California High-Speed Rail program in the United States. The firm is an industry pioneer in applying digital twins, 3D geoBIM modeling, carbon-neutral rail design, and systems assurance (RAMS) to deliver safe, resilient railway systems.