Economic Overview, Sofia Tech Valley & 10% Flat Tax
Bulgaria is a top European nearshoring hub offering EU single market access, 10% flat tax rates, and exceptional engineering talent.
Key Economic Sectors
- Software Development & IT Outsourcing: Enterprise software, cloud infrastructure, AI, cybersecurity, and game development.
- BPO & Shared Services: Multilingual customer support, finance, and HR shared services (English, German, French, Italian).
- Automotive & Electronics: Automotive sensors, microelectronics, and mechatronics manufacturing.
Employment Contracts, Labour Code & 3-Day NRA Registration
Governed by the Bulgarian Labour Code (*Kodeks na truda*).
- Mandatory 3-Day NRA Notification: Contracts must be in writing in Bulgarian and registered with the National Revenue Agency (NRA) within 3 days of signing. The employee cannot legally commence work until the NRA confirmation receipt is issued.
- Probation Period (*Srok za izpitvanie*): Maximum statutory probation is 6 months.
Working Hours, Overtime & Night Shifts
- Standard Hours: 40 hours per week (8 hours/day over 5 days).
- Overtime Surcharges: Minimum 50% premium (150%) on working days; 75% premium (175%) on weekends; 100% premium (double time) on public holidays.
- Night Work: Work between 22:00 and 06:00 is capped at 7 hours/day and paid with a statutory night work premium.
Annual Leave, Public Holidays & 410-Day Maternity
- Annual Paid Vacation: Minimum 20 working days per year (25+ days standard in IT).
- Public Holidays: ~12 to 14 official public holidays (including Liberation Day on 3 March and Bulgarian Education Day on 24 May).
- World-Leading Maternity Leave: 410 calendar days (approx 13.5 months) paid at 90% of gross salary via NSSI social security (starting 45 days before delivery). Dismissal protection is virtually absolute.
- Paternity Leave: 15 calendar days paid leave upon childbirth.
Social Security (NSSI), 10% Flat Tax & Statutory Ceiling
| Social Insurance Branch | Employer Share | Employee Share | Description |
|---|---|---|---|
| State Social Insurance (DOO - Pension & Illness) | 8.72%–9.42% | 6.58% | Pensions and sickness/maternity |
| Universal Pension Fund (DZPO) | 2.80% | 2.20% | Mandatory 2nd pillar private pension |
| Health Insurance (NZOK) | 4.80% | 3.20% | National health insurance |
| Unemployment & Accident Funds | 1.00%–1.50% | 0.40% | Unemployment and occupational risk |
| Total Statutory Social Security | ~18.92%–19.62% | 13.78% | Capped at maximum base of BGN 3,750/month |
Personal Income Tax: Flat 10.0% on net taxable income.
Termination, Notice Periods & Severance Pay
- Notice Periods: 30 days statutory notice for indefinite contracts (up to 3 months under contract terms).
- Severance for Redundancy: 1 month's gross salary (unless employee remains unemployed, extending up to 1 month additional).
Why Use an Employer of Record (EOR) in Bulgaria
- Immediate Tech Team Hiring: Onboard software engineers in Sofia in days without setting up an OOD/EOOD.
- Mandatory NRA 3-Day Compliance: Guaranteed filing of electronic registration notices with the tax agency.
- EU Single Blue Card Sponsorship: EOR sponsors work and residence permits for non-EU engineering talent.
Hiring in Bulgaria? Key Resources
Whether you are evaluating entity setup vs. using an Employer of Record, or looking for the best international payroll solution, our guides give you transparent benchmarks:

