Keolis

Keolis is an international public transport operator headquartered in Paris, France. It operates a wide range of mobility services, including bus, tram, light rail, metro, commuter rail, and paratransit, under public-private concessions and agreements worldwide. Keolis is a subsidiary of SNCF, serving as the group’s international mobility arm.

Keolis was founded in 2001 as part of SNCF's efforts to grow its activities outside France. The company expanded by acquiring regional operators and securing operating contracts across Europe, North America, Australia, and Asia, becoming one of the major global public-transport operators.

Geographically, Keolis operates networks in Europe, North America, Australia, and Asia, with notable operations such as Keolis Commuter Services, the operator of MBTA's commuter rail network in the Boston region, and Keolis Downer, a joint venture that operates rail and bus services in Australia under the Adelaide Metro network. In many markets, Keolis also runs city buses, trams and light-rail lines under contract to city or regional authorities.

Corporate structure: Keolis North America oversees activities in the United States and Canada, while other regional units manage operations in Europe and elsewhere. The company emphasizes customer experience, safety, and sustainable mobility, including efforts in digital ticketing and integrated mobility solutions.