The Keolis S. A. headquartered in Paris is an international passenger subsidiary of SNCF. The German subsidiary of Keolis is based in Berlin, has the status of a railway company and operates under the brand name € ground from Hamm rail transport in North Rhine -Westphalia, Lower Saxony and since December 13, 2009, a series in the Netherlands.


The Keolis Group employs 50,150 employees in eight European countries (Belgium, Germany, Denmark, France, Great Britain, Netherlands, Norway, Sweden) as well as in Australia, the USA and Canada. They carried in subways, trams, cable cars, trains and buses 12,000 1.8 billion annually travelers. In France Keolis is the largest provider of public transport system, operates around 80 city transport networks (including four with part fully automatic trains running underground trains ). The company's turnover is about 5 billion euros worldwide ( 2012), of which 47 percent were achieved outside of France. Passenger rail operates the Keolis group on 2,700 kilometers of track in the UK, Germany and the Netherlands. As a transport service Keolis operates in France, renting stations for automobiles, bicycles and Segway scooters.


Keolis was established in 2001 by the merger of the French transport companies VIA GTI, which was controlled at the time of BNP Paribas, and Cariane, a subsidiary of SNCF; after the merger, the SNCF held 43.5 Prozuent of the shares. 2004 buys a financial investor, [ 3i ], the majority of the shares of BNP Paribas; and gives his share in 2007 from the financial investors Caisse de dépôt et placement du Québec, Axa Private Equity and pragma. In February 2010, the SNCF their share from 45.4 increased by the merger of Keolis and the French service provider EFFIA to 56.7 percent.

Since April 2012, Keolis is 70 percent owned by the French state railway SNCF, after they had acquired the shares of Axa and pragma. The Caisse de dépôt et placement du Québec remains involved with now 30 percent.

The U.S. subsidiary was awarded the 2014 Award of the Massachusetts Bay Transportation Authority for a contract worth 2.7 billion U.S. $ over eight years.

Keolis USA is also applying to the construction of a new route for the Washington Metro and came across the resistance of Holocaust survivors who demand compensation from the parent company SNCF.