The Banco de España supervises the solvency and the compliance with specific regulations of banks, saving banks, credit co-operatives, branches of foreign credit institutions, specialist credit institutions, e-money issuing entities, mutual guarantee and re-guarantee companies, foreign exchange establishments and valuation agencies. Its powers over the branches of institutions from other EU countries are limited to controlling the branch's liquidity and ensuring that it complies with general regulations.
The supervision model applied comprises four main elements:
When carrying out its functions, the Banco de España works in close collaboration with other national and regional authorities that are entrusted with the supervision of financial activities. It also works in close collaboration with foreign supervisory authorities and actively participates in all national and international supervision forums.