Blog — Taxes, B2B and Salaries in Poland
Practical guides on taxes for freelancers, B2B vs employment comparisons, IT salaries in Poland and everything you need to know about running a business in Poland.
Complete guides
Flat Tax 19% vs Lump Sum 12% for IT Contractors in Poland 2026
Detailed comparison of flat income tax (podatek liniowy) vs lump-sum tax (ryczałt) for software developers and IT freelancers in Poland. Calculations, examples, and which to choose.
B2B Contract vs Employment in Poland 2026 — Complete Guide
Everything you need to know about choosing between B2B self-employment and a regular employment contract (UoP) in Poland. Taxes, social security, benefits, legal risks.
All articles
Getting a Mortgage as a Self-Employed Person in Poland — What Banks Require
How software developers and IT freelancers on B2B can get a mortgage in Poland. Bank requirements, income documentation, which banks are self-employment friendly in 2026.
VAT for Polish Freelancers with Foreign Clients — Complete Guide 2026
How to handle VAT when billing EU and non-EU clients from Poland. Reverse charge, 0% VAT export, VAT-EU registration, invoice requirements. For IT freelancers.
IP Box Tax Relief for Software Developers in Poland — 5% Tax Rate Guide
Complete guide to the IP Box intellectual property relief for Polish software developers. Who qualifies, how to keep records, how to apply the 5% rate instead of 19%.
IT Salaries in Poland 2026 — B2B Rates and Employment Wages by Role
Current salary data for software developers, DevOps, QA, PM and other IT professionals in Poland 2026. B2B hourly rates, employment gross, city comparison.
How the B2B Calculator Works — Methodology Explained
Step-by-step explanation of how the B2B salary calculator computes net take-home pay from gross revenue. Formulas, tax rates, ZUS contributions for Poland 2026.
ZUS Social Security Contributions for Self-Employed in Poland 2026
Complete guide to ZUS contributions for sole proprietors (JDG) in Poland 2026. Start relief, small ZUS, full ZUS, Small ZUS Plus — when and how much you pay.
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