Running a sp. z o.o.
Setting up a limited company, the KRS, what it costs to run, ZUS for owners, Estonian CIT, and moving over from a JDG.
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Guide 3 of 7
VAT, invoices and KSeF
When you must register for VAT, why VAT-UE matters even if you are exempt, invoicing clients abroad, and what the national e-invoice system changes.
What is KSeF in Poland, and what does it change for a small business?
KSeF is Poland's national e-invoicing system. Who must use it and from when, what changes if you are VAT-exempt or on ryczałt, how to log in, and when penalties start.
KSeF won't collect your Google, Adobe and AWS invoices. Here's what still lands on you
Google, Adobe and AWS invoices normally never reach KSeF. Where to download them, how they get a złoty value, and how to get them to your accountant each month.
The VAT exemption limit in Poland in 2026: 240,000 PLN, and the day you lose it
Poland's VAT exemption limit is 240,000 PLN net from 2026. How it is cut if you start mid-year, what counts, who can never use it, and what to do when you cross it.
Google Ads, Adobe or AWS invoices: do you need VAT-UE registration if you're VAT-exempt?
Google Ads or Adobe billed from abroad is an import of services. Even a VAT-exempt JDG registers for VAT-UE, files VAT-9M and pays 23%. AWS is different.
Invoicing a client abroad from Poland: reverse charge, "np" and currencies
Reverse charge for EU clients, "np" for the rest of the world: what your invoice must say, when to register for VAT-UE, and how KSeF and euros work in 2026.
Invoices in euros or dollars in Poland: which exchange rate do you use?
Use the NBP rate from the business day before. How to convert EUR and USD invoices for income tax and VAT, with a worked example of exchange differences.
Receipt or invoice? Receipts with your NIP, the 450 PLN rule, and KSeF
When a till receipt with your NIP counts as an invoice in 2026, when to ask for a real one, what counts as a cost, and what changes with KSeF on 1 January 2027.
Lost an invoice or a receipt in Poland? How to get a duplicate
Ask the seller for a duplikat, download KSeF invoices again yourself, and learn what a bank statement cannot prove. Plus what to do about lost receipts.
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