- Tax and Customs Board: www.emta.ee
- State Registers and Information Systems for e–services: www.rik.ee
- Statistics: www.stat.ee
- Laws: www.riigiteataja.ee
- The Accounting Standards Board: www.easb.ee
- Register of Economic Activities: mtr.mkm.ee
- Health Insurance: www.haigekassa.ee
- Social Insurance: www.ensib.ee
- Pension Centre: www.pensionikeskus.ee