Telesystem is a Canadian private corporation founded in 1984 by Charles Sirois, its actual Chairman and CEO. For more than 20 years, Telesystem's activities were devoted to the creation, acquisition, financing and management of companies in the field of information and communication technologies (ICTs) around the world.

The Caisse de dépôt et placement du Québec is a financial institution that manages funds primarily for public and private pension and insurance plans. As one of the leading institutional fund managers in Canada, the funds entrusted to the Caisse are invested in financials markets in Quebec, in Canada and around the world the Caisse invests as well as in private equity and real estate.