Poland B2B vs employment calculator 2026

Enter what you invoice per month on B2B (net of VAT) and see the estimated take-home under each tax form, next to an employment contract with the same gross figure.

In short: on B2B you pay your own ZUS (full social contributions are 1,926.76 zł a month in 2026 on the standard base), health insurance by tax form, and income tax at 19% flat, 12%/32% scale or a ryczałt rate set by activity. Employer costs and VAT are not in this estimate.

Standard base includes sickness cover. Preferential base: first 24 months, with sickness. Ulga na start: first 6 months, no social contributions. 8.5% applies up to 100,000 zł of revenue, then 12.5%.

How the estimate works

This is an annual average estimate with steady income and costs. It does not include VAT, accounting fees, the employer side of an employment contract, the small ZUS Plus relief, the under-26 relief, IP Box or other reliefs, and ryczałt thresholds are applied to annual revenue. Check your own case with a tax adviser.

Official sources (rates for 2026)

Rates last checked against the sources above on 19 October 2026. See also the employment take-home pay calculator. This tool gives an estimate, not tax advice.