Hiring someone in Bulgaria? You have two options: a civil contract (grazhdanski dogovor) or an employment contract (trudov dogovor). Choose the wrong one and you face NRA fines of up to EUR 2,500 per person for a first offense — plus back-payment of all unpaid social security contributions with interest. As a law firm advising hundreds of foreign-owned companies in Bulgaria, we see this mistake constantly: businesses use civil contracts to save on costs, not realizing the relationship actually qualifies as employment. This guide breaks down the legal differences, tax implications, social security rules, and — most importantly — when each contract type is appropriate. All figures are in EUR following Bulgaria's euro adoption on January 1, 2026.
Quick Comparison Table
Before diving into detail, here is the side-by-side comparison that matters most when deciding between the two contract types:
| Criteria | Civil Contract | Employment Contract |
|---|---|---|
| Legal basis | Obligations and Contracts Act (ZZD) | Labor Code (KT) |
| Relationship type | Independent contractor | Employer-employee |
| Object of contract | Specific result / deliverable | Ongoing performance of duties |
| Subordination | None — contractor works independently | Yes — employee follows employer instructions |
| NRA registration | Not required | Mandatory within 3 days of signing |
| Income tax (effective) | 7.5% (after 25% expense deduction) | 10% flat tax |
| Employer SS contributions | ~9.46% on 75% of gross (~7.1% of gross) | 18.92-19.62% of gross |
| Employee/contractor SS | ~11.98% on 75% of gross (~9.0% of gross) | 13.78% of gross |
| Paid annual leave | None | Minimum 20 working days |
| Overtime protection | None | Max 150 hours/year, premium pay required |
| Termination notice | Per contract terms (can be zero) | Minimum 30 days (up to 3 months) |
| Severance pay | None (unless contractually agreed) | Mandatory in specific situations |
| Protected categories | None | Pregnant women, mothers, disabled workers |
| Reporting obligation | Сметка за изплатени суми + Decl. 1 & 6 | Contract registration + Decl. 1 & 6 |
How Civil Contracts Work
A civil contract (grazhdanski dogovor) is governed by the Bulgarian Obligations and Contracts Act (Zakon za zadalzheniqta i dogovorite / ZZD). It creates no employment relationship. The contractor undertakes to deliver a specific result — a finished website, a translation, a legal opinion, an audit report — and the payer compensates them for that result. There is no subordination, no fixed working hours, and no obligation for the contractor to work from the payer's premises.
The 25% Expense Deduction
Income from civil contracts qualifies for the 25% normative recognized expenses (нормативно признати разходи / НПР) deduction. This deduction is automatic — no invoices or receipts required. The 10% flat income tax applies only to the remaining 75%, producing an effective income tax rate of 7.5%. This is the same rate that applies to freelancers (свободна професия) in Bulgaria.
Effective tax calculation: EUR 1,000 gross payment under civil contract
25% normative expenses: EUR 250 (deducted automatically)
Taxable base: EUR 750
Income tax: EUR 750 x 10% = EUR 75 (7.5% effective rate)
Note: For copyright and license payments, the normative expense deduction is 40%, and for income from agricultural activities it is 60%. The 25% rate applies to general civil contract services.
Social Security on Civil Contracts
The social security treatment depends on whether the contractor is already insured on another basis during the relevant month (e.g., employed under an employment contract elsewhere, or self-insured as a freelancer).
Scenario 1: Contractor is NOT insured elsewhere. If the contractor has no other insurance basis and the monthly remuneration after the 25% expense deduction exceeds the minimum wage (EUR 620.20), full social security applies on 75% of the gross amount. Contributions include pension (Fund Pension / ДОО), supplementary pension (DZPO), and health insurance (NZOK). The payer withholds and remits both the payer's share and the contractor's share. The split is approximately 60/40 (payer/contractor), similar to employment contracts.
Scenario 2: Contractor IS already insured elsewhere. If the contractor is already insured on another basis (employed elsewhere, self-insured freelancer), contributions for pension (disability, old age, and death) and health insurance still apply on 75% of the gross amount — but no unemployment or general sickness/maternity contributions are due. The total contribution burden is lower.
Important: Civil contract workers are never insured for work accidents and occupational diseases, and are never insured for unemployment — regardless of whether they have other insurance. These protections are exclusive to employment contracts under the Labor Code.
Payer Obligations for Civil Contracts
Even though there is no employment relationship, the payer has significant administrative obligations:
- Issue a "сметка за изплатени суми" (statement of paid amounts) for each payment — documenting the gross amount, normative expense deduction, social security contributions, withheld tax, and net amount paid
- Withhold and remit the advance income tax and social security contributions to the NRA by the 25th of the month following the payment
- File Declaration 1 (per-person social security breakdown) and Declaration 6 (aggregate contributions and withheld tax) with the NRA by the same 25th deadline
- File a quarterly declaration under Article 55(1) of the Personal Income Tax Act (ZDDFL) by the 25th of the month following the quarter
All declarations require a qualified electronic signature (KEP) for electronic filing. In practice, your accountant handles these filings. For more on mandatory filings, see our EOOD annual obligations guide.
How Employment Contracts Work
An employment contract (trudov dogovor) is governed by the Bulgarian Labor Code (Kodeks na truda / KT). It creates a full employment relationship with comprehensive worker protections. The employee does not owe a specific result — they owe the diligent performance of their duties during working hours, under the direction and supervision of the employer.
Employer Social Security: 18.92%
On top of the agreed gross salary, the employer pays social security contributions of 18.92-19.62% of the gross amount. The employee's share of 13.78% is deducted from their salary. The 10% flat income tax is then applied to the amount remaining after the employee's social security deductions. For a detailed breakdown by fund, see our complete guide to hiring costs in Bulgaria.
Key employer obligations under an employment contract:
Register the contract with the NRA within 3 days (Art. 62(3) KT) — fines of EUR 1,500-7,500 for non-compliance. Provide minimum 20 days paid annual leave. Comply with 8h/day, 40h/week working time limits. Pay overtime premiums (50-100% on top of base rate). Give minimum 30 days termination notice. Pay severance in qualifying situations. File monthly Declaration 1 and Declaration 6 via KEP.
For the minimum salary of EUR 620.20, the total employer cost is approximately EUR 737.54 per month — the gross salary plus 18.92% employer social security contributions. See our annual EOOD running cost guide for how this fits into overall business expenses.
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Get Contract Advice →The Misclassification Risk
This is where companies get into serious trouble. Article 1, paragraph 2 of the Bulgarian Labor Code establishes that relationships involving the provision of labor force shall be regulated only as employment relationships. In plain language: if the relationship looks like employment, it is employment — regardless of what the contract is called.
The NRA and the General Labor Inspectorate (GLI) actively audit companies and can reclassify civil contracts as disguised employment relationships. The test is substance over form — they look at the actual working arrangement, not just the contract title.
The Six Red Flags
Bulgarian authorities consider the following characteristics as indicators that a civil contract is actually a disguised employment relationship:
- Workplace specified by the client — the contractor works from the client's office, uses the client's desk, and has a fixed workstation
- Fixed working hours — the contractor is expected to be available 9-to-5 (or any fixed schedule) rather than working when they choose
- Subordination and reporting — the contractor reports to a manager, attends team meetings, follows internal processes, and takes instructions on how to do the work (not just what to deliver)
- Tools and equipment provided by the client — laptop, software licenses, email address on the company domain, business cards
- Regular periodic payment — monthly payments of the same amount, resembling a salary, rather than payment upon delivery of specific results
- Exclusivity — the contractor works only for one client, full-time, with no realistic ability to take on other clients
If three or more of these characteristics are present, the risk of reclassification is high. If all six are present, reclassification is virtually certain.
Penalties for Misclassification
First offense: Fine of BGN 1,500-5,000 (approximately EUR 750-2,500) per violation, plus a fine of BGN 250-1,000 for the responsible manager/officer personally.
Repeat offense: Fine increases to BGN 15,000-20,000 (approximately EUR 7,500-10,000) per violation, and BGN 5,000-10,000 for the responsible individual.
Back-payments: All unpaid social security and health insurance contributions must be paid retroactively, calculated on the minimum insurable income for the relevant position and economic activity, plus statutory interest from the date they were originally due.
The financial impact compounds quickly. If you have five workers on civil contracts that should have been employment contracts, and the GLI catches it after 12 months, you face: up to EUR 12,500 in fines (5 x EUR 2,500) plus 12 months of back social security contributions for five people plus interest. For a worker earning EUR 1,000/month, the back SS alone would be approximately EUR 1,135 per person per year (18.92% employer share on gross). Total exposure: potentially EUR 18,000+ for five workers.
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A civil contract is the correct choice when the working relationship genuinely involves an independent contractor delivering a specific result. Here are five legitimate scenarios:
- One-off project with a defined deliverable — you hire a designer to create your company logo, a translator to translate a 50-page document, or a lawyer to draft a specific contract. The work has a clear start, end, and measurable output.
- Occasional expert consulting — you engage a tax advisor for quarterly reviews, a marketing consultant for a campaign strategy, or an IT specialist for a server migration. The engagements are periodic, not continuous.
- Freelancers who serve multiple clients — the contractor has their own business, their own clients, and your project is one of several. They control their own schedule, tools, and working methods.
- Seasonal or event-based work — you hire a photographer for a corporate event, a caterer for a company dinner, or a trainer for a one-day workshop. The work is tied to a specific occasion.
- Specialized knowledge transfer — you engage an expert to conduct training sessions, write a research paper, or produce an expert opinion. The deliverable is the knowledge product itself.
The common thread: the contractor controls how and when they work, delivers a defined result, and is not integrated into your organizational structure.
When You MUST Use an Employment Contract
If any of the following describe your working arrangement, a civil contract is inappropriate and risky:
- The person works set hours at your office — 9-to-6, Monday to Friday, at a desk you provide. This is employment by definition, no matter what the contract says.
- You direct how the work is done — you assign daily tasks, review work in progress, require attendance at team meetings, and the person reports to a manager. This is subordination — the defining characteristic of employment.
- The engagement is ongoing with no end date — the person has been working for you continuously for months or years, with no specific project completion in sight. Open-ended engagement equals employment.
- The person works exclusively for you — they have no other clients, depend on your payments as their sole income, and would not realistically be described as "independent." Economic dependence is a strong indicator of employment.
- You provide all tools and equipment — laptop, software, phone, office space, company email address. An independent contractor typically uses their own tools and infrastructure.
The simplest test: If you replaced this person, would you post a job listing or search for a service provider? If you would post a job listing, they should be on an employment contract.
Cost Comparison: Same Person, Same Income
Let us compare the total cost to the company and the net income to the worker for a EUR 1,000 gross payment under both contract types. This assumes the contractor under the civil contract is not insured elsewhere (worst case for the contractor) and the worker was born after 1959.
| Component | Civil Contract (EUR 1,000) | Employment Contract (EUR 1,000) |
|---|---|---|
| Gross payment / salary | €1,000.00 | €1,000.00 |
| 25% normative expense deduction | €250.00 | N/A |
| Insurance base | €750.00 | €1,000.00 |
| Payer/employer SS contributions | €70.95 (9.46% of €750) | €189.20 (18.92% of €1,000) |
| Total company cost | €1,070.95 | €1,189.20 |
| Contractor/employee SS deducted | €89.85 (11.98% of €750) | €137.80 (13.78% of €1,000) |
| Taxable income | €660.15 (€750 - €89.85) | €862.20 (€1,000 - €137.80) |
| Income tax | €66.02 (10%) | €86.22 (10%) |
| Net to worker | €844.13 | €775.98 |
| Worker protections | None | Full Labor Code protections |
The civil contract saves the company EUR 118 per month (EUR 1,416 per year) compared to an employment contract for the same gross amount. The worker also receives EUR 68 more per month net — but loses all employment protections: no paid leave, no overtime pay, no termination notice, no severance, no unemployment insurance, and no work accident coverage.
The real question is not cost — it is legality. If the working relationship has employment characteristics, using a civil contract to save EUR 118/month exposes you to potential fines of EUR 750-2,500 per person, plus full back-payment of employment-level social security contributions with interest. The "savings" evaporate instantly upon an NRA audit. For EOOD owners structuring their own compensation, see our guide on EOOD owner social security optimization.
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Get Contract Documents →"My competitor uses civil contracts for everyone and nothing has happened." The GLI conducts sector-targeted inspections. IT, construction, hospitality, and professional services are high-priority sectors. Just because an audit has not happened yet does not mean it will not — and when it does, the penalties are retroactive. We have seen companies hit with 3+ years of back contributions in a single audit.
"The contractor prefers a civil contract because they get more net income." The contractor's preference does not determine the legal classification of the relationship. If the substance is employment, both parties are liable — the employer for failing to register the contract, and the worker for unreported income. Structure it correctly from the start.
"Can I use a civil contract during a trial period and then switch to employment?" This is a common misconception. The Labor Code already provides for probation periods of up to 6 months within an employment contract (Art. 70 KT). Using a civil contract as a "trial" before employment is legally questionable if the relationship has employment characteristics from day one.
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Frequently Asked Questions
What is the difference between a civil contract and an employment contract in Bulgaria?
What is the tax rate on a civil contract in Bulgaria?
What social security is due on a civil contract?
Can the NRA reclassify my civil contract as employment?
What are the fines for using a civil contract instead of employment?
Is a civil contract cheaper for the company?
Do I need to issue a "сметка за изплатени суми" for civil contracts?
Can I use a civil contract as a trial period before offering employment?
Disclaimer: This article provides general guidance on civil contracts and employment contracts in Bulgaria based on current legislation as of April 2026. Social security rates are set annually by the Bulgarian Social Security Budget Act and may change. The Labor Code and ZZD may be amended. All amounts are in EUR (Bulgaria adopted the euro on January 1, 2026). Corporate income tax is 10% and dividend withholding tax is 5%, giving a combined rate of 15%. Freelancer effective income tax rate is 7.5%. The minimum gross monthly salary is EUR 620.20. KEP (qualified electronic signature) is mandatory for electronic NRA filings. This article does not constitute legal or tax advice. For personalized guidance, consult a qualified Bulgarian lawyer. Last updated: April 8, 2026.