The Asociación Española de Banca (AEB) is a vital professional association representing a wide array of Spanish and foreign banks operating in Spain. Established to promote the interests of its members, AEB provides a collaborative platform where most banks in Spain engage in activities that enhance the stability and performance of the banking sector. The organization also advocates for essential values such as financial education and sustainability.

In addition to its advocacy role, AEB plays a critical part in research and education through the Fundación AEB, which focuses on disseminating knowledge about the financial system and banking regulations. The foundation, established in 2008, is dedicated to programs that facilitate financial literacy and innovation. AEB’s commitment to transparency is evident through its annual reports and data sharing, reflecting the sector's key financial indicators. Overall, AEB strives to foster a well-regulated and knowledgeable banking environment, contributing significantly to Spain's economic landscape.