Bulgaria Tax Overview

Bulgarian tax system at a glance

Bulgaria runs one of the EU's simplest and lowest-rate tax systems, built on flat 10% rates for both personal and corporate income. For tax year 2025 the functional currency is the Bulgarian lev (BGN); the euro was adopted from 1 January 2026, so 2025 figures are stated in BGN.

• Tax year — Calendar year (1 January – 31 December) (Corporate Income Tax Act (ZKPO))
• Currency — Bulgarian lev (BGN); euro adopted from 1 January 2026 (Bulgarian National Bank / Law on the Introduction of the Euro)
• Tax authority — National Revenue Agency (NRA / Национална агенция за приходите, НАП) (National Revenue Agency Act)
• Individual tax basis — Tax residents taxed on worldwide income; non-residents taxed only on Bulgarian-source income (Personal Income Taxes Act (ZDDFL))
• Corporate tax basis — Resident companies taxed on worldwide profit; non-residents taxed on Bulgarian-source profit/PE (Corporate Income Tax Act (ZKPO))
• Headline personal income tax rate — 10% flat % (Personal Income Taxes Act (ZDDFL))
• Headline corporate income tax rate — 10% flat % (Corporate Income Tax Act (ZKPO))
• VAT in force — Yes — EU-harmonised VAT, standard rate 20% % (Value Added Tax Act (ZDDS))
• Pillar Two top-up (large MNEs) — Qualified Domestic Minimum Top-up Tax brings effective rate to 15% for groups with consolidated revenue > EUR 750m % ((approx — confirm)) (Corporate Income Tax Act (ZKPO) — Pillar Two / QDMTT provisions)
• Annual corporate tax return deadline — Between 1 March and 30 June of the year following the tax year (Corporate Income Tax Act (ZKPO))
• Annual personal tax return deadline — 30 April of the year following the tax year (5% discount if filed and paid online by 31 March) (Personal Income Taxes Act (ZDDFL))
• Social security framework — Mandatory state social insurance and health insurance on employment/self-employment income, capped at a monthly maximum insurable income (Social Insurance Code (KSO) / Health Insurance Act (ZZO))