Burger King and Alsea sign new joint venture to expand brand presence in Mexico Burger King Worldwide announced that it has entered into a joint venture agreement for Mexico with Alsea, S.A.B. de C.V. focused on significantly increasing the Burger King brand presence in Mexico. As part of the transaction, Alsea and Burger King will contribute their Burger King restaurants in Mexico to form a joint venture through a merger of Burger King's Mexican subsidiary into Operadora de Franquicias Alsea S.A. de C.V. The new company will own 203 Burger King restaurants in Mexico and has committed to open several hundred more over the next several years. The transaction is subject to regulatory approval in Mexico.