Short answer: an employment contract (HPP) almost always wins on protection — paid leave, sick pay from day 15, severance pay, and a pension your employer builds up for you. A trade license (OSVČ) usually wins on take-home money — roughly from 40,000–50,000 Kč in monthly income — thanks to expense lump-sums and the flat-tax regime. Which one to choose in Czechia in 2026 depends on your income, how stable your orders are, and how much the social safety net matters to you; below you'll find taxes, contributions, guarantees, and the real risks of švarcsystém, with actual 2026 figures.
OSVČ (osoba samostatně výdělečně činná) means working for yourself under a trade license (živnostenský list): you issue your own invoices, pay your own tax and contributions, and keep your own records. HPP (hlavní pracovní poměr) is a standard employment contract under the Zákoník práce (Labour Code): your employer withholds tax and contributions from your salary and is responsible for your social guarantees.
The income tax rate is the same for both — 15%, rising to 23% on the portion of annual income above 1,762,812 Kč (36 times the average wage in 2026). The difference lies in the tax base and the contributions.
Important change for 2026: minimum OSVČ social-insurance advances were retroactively lowered as of 1 January 2026 (the assessment base was reduced from 40% to 35% of the average wage). Current minimums for primary self-employed activity (hlavní činnost):
| OSVČ Payment (primary activity) | 2026 Amount (monthly) |
|---|---|
| Min. social insurance advance | 5,005 Kč (down from 5,720 Kč) |
| Min. health insurance advance | 3,306 Kč |
| Total minimum contributions | approx. 8,311 Kč |
| Flat tax, tier 1 | 9,162 Kč (reduced from 9,984 Kč by the amendment, retroactive to 1.1.2026) |
| Flat tax, tier 2 | 16,745 Kč |
| Flat tax, tier 3 | 27,139 Kč |
For a secondary activity (vedlejší činnost — e.g., a trade license alongside HPP employment), the minimum social insurance advance is 1,574 Kč, and health insurance is paid based on actual profit with no set minimum. These amounts are revised annually — check current figures on the ČSSZ and your health insurer's (VZP) websites, or with an accountant. For more detail, see our guide on OSVČ taxes and contributions.
At the same "income," a trade license usually leaves you with more take-home money: the tax base is smaller thanks to the expense lump-sum, and contributions are calculated on only part of your profit. But with HPP, a significant share of the "cost" is carried by your employer, not you. Rough rule of thumb:
Calculate the exact difference for your own numbers using an online HPP-vs-OSVČ calculator or with an accountant, since the outcome depends on the type of trade license, the share of expenses, and which allowances apply.
In terms of legal protection, an employment contract clearly comes out ahead. HPP gives you:
OSVČ, by default, gets neither paid leave nor paid sick days. Sick pay (nemocenské) from day 15 is only available with voluntary sickness insurance (nemocenské pojištění), which you have to pay extra for. A client can end the cooperation at any time with no severance pay. In exchange, self-employment gives you flexibility: multiple clients, your own rates, a free schedule, and tax optimization. Either option works for extending your residence permit as long as your income is sufficient — but don't forget about health insurance if you're not enrolled in the public insurance system.
Švarcsystém is when someone is formally self-employed (OSVČ) but in reality performs dependent work (závislá práce) for a single "client," just like a regular employee. This arrangement is illegal. Labour inspectors look for signs of dependent work, such as:
Since 2024, "regularity" is no longer required — even a single instance can be classified as illegal work. Possible penalties include:
Enforcement has intensified in 2026, with coordinated labour inspection actions focusing on construction, IT, and creative industries. At the same time, a reform is in the works: there's discussion of making only the client company liable for fines and narrowing the definition of švarcsystém. Rules are changing, so before starting a "single-client freelance" arrangement, check the current status with a lawyer or on the website of the Labour Inspection Office (Státní úřad inspekce práce).
| Your Situation | Usually Better |
|---|---|
| Stable job with one employer, need protection | HPP |
| Multiple clients, project-based work, income of 50,000+ Kč | OSVČ |
| Leave, sick pay, and a good pension matter to you | HPP |
| Willing to keep records and optimize your tax | OSVČ (flat-rate regime) |
| Planning a mortgage within the next year | HPP (easier for banks) or OSVČ with 1–2 years of tax filings |
Combining both is often optimal: primary income via HPP, with a trade license registered as a secondary activity carrying low minimum contributions. For more on employment options, see our overview of working in Czechia as a foreigner.
Yes. If you're employed under HPP, your trade license becomes a secondary activity: the minimum social insurance advance is 1,574 Kč, while health insurance is based on actual profit with no minimum.
Roughly from 40,000–50,000 Kč per month, but the outcome depends on your share of expenses and the chosen regime. Run the numbers for your own situation using a calculator or with an accountant.
Yes. For primary self-employed activity, minimum advances (around 8,300 Kč/month in 2026) are mandatory even during a loss or a slow period.
Banks find it easier to approve a mortgage for HPP employees; OSVČ applicants typically need 1–2 years of tax filings. Either option works for a residence permit renewal as long as you can show sufficient documented income.
Fines (up to 10 million Kč for the employer, up to 100,000 Kč for the worker), retroactive back-assessment of tax and contributions, and risk for both parties. If you're actually working like an employee, it's safer to be on an HPP contract.
Complicated calculations and paperwork are best left to a professional: accountants and tax advisors can help, while lawyers can assist with labour disputes and švarcsystém risks. Also see how tax refunds in Czechia work.
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