B2B-Center is a leading Russian e-marketplace for corporate procurement. Established in 2002, this is the first Russian cloud service enabling an efficient management of procurement activities. During these years over 1 million bidding procedures have been held, totaling to 15.5 trln rubles. The number of users exceeds 388 000 companies. B2B-Center is used as procurement platform by the major Russian companies: Rosatom State Atomic Energy Corporation, AVTOVAZ, Rosseti, United Company RUSAL, Mechel, Tatneft, Power Machines, Zarubezhneft, GAZ Group, TAGRAS Group, UAZ, Chelpipe, Cordiant, T Plus, PIK Group, Megafon, VimpelCom, Tele2, Burger King and others.