- Ministry of Finance
- General Intervention of the State Administration (IGAE)
- National Currency and Stamp Factory (FNMT)
- Directorate General of the Land Registry
- Institute of Fiscal Studies (IEF)
- State Society of Industrial Participations (SEPI)
- Independent Fiscal Responsibility Authority (AIReF)
- State Secretariat for Budgets and Expenditures (SEPG)
- General Secretariat of European Funds (SGFE)
- Public Sector Contracting Platform
- National System of Advertising of Subsidies and Public Aid, BDNS
- Portal of Budgetary Administration
- General Inspection Portal