Calculators & business tools.
Free calculators for everyday decisions in Poland — salary, VAT and the cost of accounting. Quick estimates; we confirm the exact figures for your case.
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Sole trader or sp. z o.o.? Tax comparison
Put a sole proprietorship on the scale, the flat tax and the lump sum next to a limited company on classic and Estonian CIT — same revenue, five bottom lines, 2026 rates.
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Scale, flat tax or lump sum? Tax form comparison
One decision a year, worth thousands: compare the tax scale, the 19% flat tax and the lump sum on your own revenue, with the health contribution each one triggers.
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Salary calculator — gross to net
Estimate take-home pay in Poland across employment, mandate, specific-task and B2B contracts — with a full breakdown of ZUS, health and tax.
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Employer cost calculator — what a hire really costs
Gross pay is not the cost. See the full ladder from what leaves your account to what lands in the employee’s — pension, disability, accident, Labour Fund, FGŚP and PPK, at 2026 rates.
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Company formation cost in Poland
Every fee, itemised: court fee, transfer tax, notarial tariff, sworn translation and a qualified signature — with the online S24 route priced against a notarial deed and against a sole proprietorship.
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Do I need to register for VAT in Poland?
Three rules decide it — your turnover against the new 240 000 zł limit, what you sell, and where your business is established. Answer six questions and get a verdict with the forms and the deadline.
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PKD 2025 code finder
Search all 727 PKD 2025 subclasses by what you actually do — or start from a common trade and get the code, its section and what changed from PKD 2007.
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ZUS calculator for entrepreneurs
Every contribution, month by month: ulga na start, the preferential base, Mały ZUS Plus or the full rate — with the health contribution none of them covers, at 2026 amounts.
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Poland income tax calculator
See your Polish PIT and ZUS on any salary, your net annual income and your effective tax rate, with the 2026 tax brackets.
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Polish tax deadline calendar generator
Answer five questions and get the next twelve months of your filing dates — already moved off weekends and Polish public holidays, and downloadable straight into your calendar.
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Estonian CIT vs classic CIT calculator
Under the Estonian regime a company pays nothing until profit leaves it, and 20% or 25% when it does — against 26,29% or 34,39% the classic way. See what that is worth over the years you plan to reinvest.
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KSeF readiness checker
Find out whether the e-invoicing mandate already applies to you, whether the micro easement still covers you through 2026, and what is left on the list before penalties start in January 2027.
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JDG or sp. z o.o. in Poland: what can a foreigner open?
Your residence title decides whether a JDG is open to you. Check it in four questions, then compare JDG and sp. z o.o. on liability, tax, ZUS and cost.
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VAT calculator
Add or extract Polish VAT at 23%, 8%, 5% or 0% — net, VAT and gross in one place.
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What does your accounting actually involve?
Build your bookkeeping profile in a minute — form, document volume, payroll, VAT and the details that actually drive the work — and get a scope summary you can put in front of any accountant.
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Let’s put your books in order.
Book a free introductory call. We’ll review your situation and map the next steps — in your language.
or call +48 889 415 738 the first call’s on us — really