Blog · KSeF for foreign businesses
Everything about Polish e-invoicing — without the fluff.
Practical guides on KSeF, Polish VAT, NBP exchange rates and cross-border invoicing. Written for foreign founders running Polish entities and freelancers billing international clients.
Latest·7 min read
Selling to Poland in 2026 — KSeF explained for foreign companies
A practical guide for non-Polish businesses: what KSeF is, when it applies to you, and how to issue valid PL invoices without registering in Poland.
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6 min read
I'm a foreign founder running a Polish sp. z o.o. — what do I do with invoices?
Practical playbook for non-Polish founders of Polish LLCs: how to issue invoices, what your accountant expects, and how to stay sane without speaking Polish.
6 min read
Polish freelancer invoicing foreign clients — KSeF, NBP rates, reverse charge
How to invoice US, UK and EU clients from Poland: when KSeF applies, when reverse charge kicks in, how to handle USD/EUR amounts in VAT returns.
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