Credit institutions
- Banks.
- Savings banks.
- Credit cooperatives.
- Official Credit Institute (ICO).
- Branches of foreign credit institutions.
Other entities
- Specialised lending institutions.
- Specialised lending institutions that provide payment services.
- Specialised lending institutions that issue electronic money.
- Electronic money institutions.
- Payment institutions.
- Mutual guarantee companies.
- Reguarantee companies.
- Currency-exchange bureaux.
- Financial holding companies.
- Mixed financial holding companies.
- Appraisal companies.
- Sareb (asset management company for assets arising from bank restructuring).
- Banking foundations.
- Account information service providers.