Income tax

Articles about Income tax for self-employed people and freelancers in Bulgaria.

Income from Upwork, Fiverr and other platforms: taxes and social security in Bulgaria

Income from international freelance platforms such as Upwork and Fiverr is treated as income from a liberal profession and is subject to taxation and social insurance in Bulgaria. Registration must be completed within seven days of the first transaction, and the National Revenue Agency receives automatic data on your income from the platforms.

Advance tax for liberal professions in Bulgaria 2026: how it is calculated and when it is paid

Advance tax under Art. 43 of the Personal Income Tax Act (ЗДДФЛ) is a tax that self-insured people pay quarterly on income from liberal professions, craft activities and other business income. The deadline for each of the first three quarters is the end of the following month, and for the fourth quarter no advance tax is owed — it is taxed only with the annual tax return.