Three ways a foreigner can earn in Poland lawfully: working through an umbrella company (locally, a "business incubator"), running your own sole proprietorship (JDG), and a limited liability company (Sp. z o.o.). They are usually compared on tax. That is not where to start.
Can you simply pick the form that pays best?
No. First you check whether the form is available to you at all — and most comparisons online mislead precisely here, because they quietly assume the choice is free.
The right to register a sole proprietorship comes not from holding a residence card, but from a specific residence title on a closed list in the Act of 6 March 2018 on the rules of participation of foreign entrepreneurs. And the awkward part: a work-based residence permit — the single permit for residence and work under Article 114, the most common card foreigners hold in Poland — is not on that list. Someone lives and works in Poland entirely lawfully and still cannot register a JDG.
The EU Blue Card, by contrast, is on that list — art. 4(2)(1)(c) refers to art. 127 of the Foreigners Act, and separately to art. 137a for a card issued by another EU state. Both references were added by the reform in Dz.U. 2025 item 619, in force from 01.06.2025, which is why the opposite claim is still widely repeated even though it is out of date. The limitation concerns the basis of the permit rather than the right to trade: art. 127 requires highly qualified employment, so the business supplements it rather than replacing it. Who exactly can open a JDG, and the full list of titles with their statutory addresses, is covered in our article on JDG.
Hence the practical order: first look at the voivode's decision to see on what ground your card was issued, and only then compare tax. Otherwise you may build a plan around a form you cannot use.
Who has the full choice of three?
| Form | Who can use it |
|---|---|
| Umbrella company | Almost anyone. No prior residence title needed — the contract itself can become your first ground for legalisation |
| Sole proprietorship (JDG) | Only with a title from the list: permanent residence, EU long-term resident, the Blue Card, family reunification, study, research, marriage to a Polish citizen, Karta Polaka, protection statuses and several others. A work-based permit (article 114) is not on the list |
| Limited liability company (Sp. z o.o.) | Anyone, regardless of residence status: any foreigner may found one. But holding shares does not by itself legalise your stay |
The asymmetry worth remembering: an LLC can be set up on any status, a JDG only on the "right" one, and an umbrella company needs no status at all.
What each costs
| Parameter | Umbrella company | Sole proprietorship (JDG) | LLC (Sp. z o.o.) |
|---|---|---|---|
| Start-up capital | None | None | Share capital from PLN 5,000 |
| Registration | None — you sign a contract | CEIDG, from 1 working day to a week | S24 ≈ PLN 375, a few days; or notarial — from PLN 3,000 and longer |
| Monthly running cost | ≈ PLN 500, usually deducted from earnings | Accountant from ≈ PLN 400, or self-managed | An accountant is effectively mandatory, from PLN 1,000 net |
| Social security (ZUS) | None on umowa o dzieło; full on umowa zlecenie | Mandatory, in three stages: 6 months with no social contributions → 24 months at a reduced rate → full. The health contribution is calculated separately. Breakdown right below the table | Where board remuneration is set by resolution (uchwała) — health contribution of 9% only, no pension or social contributions |
| Income tax | ≈6% on creative umowa o dzieło (50% deductible costs, capped at PLN 120,000/year); ≈9.6% on ordinary dzieło (20%); ≈32% on zlecenie | Lump sum by PKD code (12% IT, 15% consulting, 8.5% most other services), or the PIT scale 12%/32%, or flat 19% | CIT 9% (turnover up to EUR 2m) or 19%, plus 19% on dividends; or, under a resolution, PIT at 12%/32% |
ZUS on a sole proprietorship: why "PLN 456" is a misleading figure
Contributions come in two parts, calculated differently:
- social (pension, sick pay) — a fixed amount, in stages: the first 6 months (ulga na start) are free of them entirely, the next 24 months are reduced at roughly PLN 456/month, and the full rate applies thereafter;
- the health contribution — not fixed, and it rises with income.
Here is what matters if you are legalising through business. For a JDG to become the ground for a residence permit under Article 142, you must show income for the previous financial year of at least 12 average monthly wages in your voivodeship (for Mazowieckie, around PLN 113,867/year). At that income the health contribution is no longer small — roughly PLN 830/month on top. That brings the reduced stage to about PLN 1,287/month, not PLN 456.
The conclusion: the income you are required to show for legalisation automatically pushes you out of the cheap scenario. You cannot plan a business-based residence permit around the "PLN 456" figure.
What about pension, sick pay and length of service?
This is where the three diverge most, and it rarely makes it into comparisons:
| Contract type | Social contributions | What it gives |
|---|---|---|
| Umowa zlecenie | Paid in full | Pension rights, sick pay |
| Umowa o dzieło | Not paid at all | The best tax outcome, but builds no pension rights |
| JDG | Mandatory, with start-up reliefs | Pension rights accrue |
So the most tax-efficient configuration — a creative umowa o dzieło through an umbrella company (~6% and no ZUS) — is also the emptiest in social rights. Note too the Act of 26 September 2025 (Dz.U. 2025 item 1423), under which periods of JDG and zlecenie count toward length of service, phased in from 01.01.2026 and 01.05.2026.
The 2026 risk: reclassification by the labour inspectorate
Since 8 July 2026 a district labour inspector may by administrative decision reclassify a civil-law or B2B contract as employment (amendment to the Labour Inspectorate Act, Dz.U. 2026 item 473). Previously only the courts could.
For the choice of form this means: if you work through an umbrella company on a umowa zlecenie for a single client, on their schedule and under their direction, the relationship looks like employment on the statutory indicators — and that is inspection territory. The same applies to a JDG that in practice serves one client like a staff member. There is no provision in the law directly linking reclassification to your residence ground — this is risk analysis, not a rule; but where your stay rests on business, the factual picture of how you work matters. The full breakdown of the reform and the 12-month window for voluntary correction is covered in the article on the labour inspectorate reform.
How the form affects your legalisation
This is the layer Polish sources do not cover: they write for Poles, for whom legalisation is not a question.
A JDG as a ground for residence. A sole proprietorship can itself become the ground for a business-based residence permit under Article 142 of the Aliens Act, if one of the conditions is met: income in the previous tax year of at least 12 times the average wage in your voivodeship (for Mazowieckie, around PLN 113,867/year on 2024 data), or at least 2 full-time employees for at least a year, or evidence that you will shortly reach those figures, are investing, innovating or creating jobs. The threshold is regional — check your own voivodeship.
An LLC can become a ground for a shareholder's legalisation, but through a separate and not especially fast chain of steps. If the company grows into a business-based residence permit, the same Article 142 conditions apply.
An umbrella company legalises differently and often faster: it acts as your formal employer, so no prior ground is needed. If you do not have free access to the labour market, the usual route is an oświadczenie o powierzeniu pracy cudzoziemcowi (fee PLN 400, processed in 7–21 days, valid up to 2 years), after which the same contract supports a standard work-based residence application.
On the Blue Card specifically: the law excludes JDG and B2B in any form, but accepts an employment contract or a civil-law contract close in character to employment. An umbrella company's umowa zlecenie may therefore formally qualify if the relationship is genuinely employment-like — and that is exactly the line that raises questions in practice. Keep the salary threshold in mind too: irregular or modest income through an umbrella company makes this route harder.
Since 27 April 2026 all residence applications are filed electronically through MOS only — you will need a PESEL and a Trusted Profile.
Why a JDG often costs more than an umbrella company
The counterintuitive finding that breaks the usual "your own firm must be cheaper" logic.
Your own JDG feels like the grown-up, thriftier choice compared with paying an intermediary a commission. But count it in full: a JDG carries mandatory social contributions, and once the reliefs expire that is the largest fixed cost, owed whether or not you earned anything that month. An umbrella company on a creative umowa o dzieło pays no ZUS at all and is taxed at an effective rate of roughly 6%.
So on modest, irregular income an umbrella company charging around PLN 500 a month is frequently cheaper than your own JDG with its mandatory contributions. The crossover comes with growth: the higher and steadier the income, the more the fixed ZUS is diluted — while the umbrella company's commission rises with turnover.
The cheap option has its downside, stated above: umowa o dzieło builds neither pension rights nor sick pay. You save money now and pay for it in absent social cover. A detailed cost calculation for each form is covered in a separate article on costs.
When to choose what
| Your situation | What usually fits |
|---|---|
| Testing an idea, income small or irregular, no title for a JDG | Umbrella company |
| You have the title for a JDG, income is predictable, limited liability is not critical | Sole proprietorship (JDG) |
| You need limited liability, plan to grow, hire, or work with partners and investors | LLC (Sp. z o.o.) |
And the rule above the table: title first, money second. A form that looks better on paper is useless if your residence ground does not permit it.
The choice starts not with tax but with your residence title — and that is the step people get wrong most often. In a free consultation we'll check your ground, cost out all three options, and show which route to legalisation is shorter.
Frequently asked questions
I hold a work-based residence card — can I open a JDG? Generally no: a work-based permit under Article 114 is not on the list of titles conferring the right to run a business. Check the ground stated in the voivode's decision. The available alternatives are an umbrella company or an LLC.
Can I legalise my stay through business? Yes, though not immediately. A JDG or an LLC can become a ground for a business-based residence permit if the Article 142 conditions are met (income of 12 average regional wages, or 2 employees, or demonstrated prospects). An umbrella company contract provides a ground sooner and more simply — via an oświadczenie and then a standard work-based permit.
Which is cheaper — a JDG or an umbrella company? On modest, irregular income, usually the umbrella company: a JDG owes ZUS regardless of turnover. As income grows the JDG typically wins. Run the numbers on your actual figures.
Can I set up an LLC on any residence status? Founding a company — yes, there is no title restriction. But holding shares does not legalise your stay; that requires a separate chain of steps.
Can a Blue Card holder run a JDG? Yes. The Blue Card is on the list of qualifying titles: art. 4(2)(1)(c) of the Act of 6 March 2018 refers to art. 127 of the Foreigners Act (and to art. 137a for a card issued by another EU state). The claim to the contrary is out of date — those references were added by the reform in force from 01.06.2025. One limitation applies: the business must supplement your highly qualified employment rather than replace it, or the basis of the permit itself comes into question.
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