Tracing its roots back to 1888 in the Netherlands as the Association for Wasteland Redevelopment (Nederlandsche Heidemaatschappij) and rebranded as Arcadis in 1997, Arcadis N.V. is one of the world’s foremost design, engineering, and sustainability consultancies. Headquartered in Amsterdam and publicly traded on Euronext Amsterdam, Arcadis employs over 36,000 multidisciplinary professionals operating across more than 70 countries worldwide, with strong technical hubs throughout Europe, North America, the Middle East, and Asia-Pacific.

Arcadis covers the entire transportation infrastructure lifecycle: transit feasibility studies, geometric rail alignment, digital trackbed design, railway electrification (catenary and substations), advanced signalling integration (ETCS, CBTC), underground metro tunneling, elevated viaduct structures, and complex station architecture. Operating with an emphasis on digital delivery, Arcadis integrates automated Civil 3D/OpenRail modeling, GIS-linked digital twins, and life-cycle carbon accounting into mega-rail schemes.

The consultancy has contributed to flagship global transit programs, including major civil and systems design packages for the Grand Paris Express in France, High Speed 2 (HS2) in the United Kingdom, the Sydney Metro and Gold Coast Light Rail in Australia, the California High-Speed Rail project in the United States, and regional mass transit expansions across Canada, the Netherlands, and Germany.