CaixaBank, S.A., formerly Criteria CaixaCorp, is a Spanish multinational financial services company. CaixaBank is based in Valencia, with operative offices in Barcelona and Madrid. It is Spain's third-largest lender by market value, after Banco Santander and BBVA. CaixaBank has 5,397 branches to serve its 15.8 million customers, and has the most extensive branch network in the Spanish market. It is listed in the Bolsa de Madrid and is part of the IBEX 35.