You run the business.We keep the books.
Accounting, HR and payroll, and tax returns for sole traders and companies in Poland. Since May 1992.
We work with clients at our office in Powiśle, Warsaw, and remotely. We download invoices from KSeF.
Your documents, in the right place
- Sales invoice: Revenue and output VAT
- Purchase invoice: Costs and input VAT
- KSeF e-invoice: Revenue or costs
- Receipt: Costs
- Bank statement: Receivables, payables and bank
- Payroll: Salaries, ZUS and PIT
- Employment contract: Personnel files
- Utility bill: Costs
Every document has its place in the books. That’s what we take care of every day.
What we do
We handle your accounting from the first invoice to the year-end accounts. We agree the scope of our work and our fees with you after a conversation.
Full accounting
Double-entry bookkeeping (księgi rachunkowe) for companies that are required to keep it, including the annual financial statements.
KPiR and tax records
Revenue and expense bookkeeping (KPiR), lump-sum income tax records and VAT records for sole traders and civil partnerships.
HR and payroll
Employment contracts, payroll, ZUS and tax office reporting, and personnel records.
Tax returns
VAT, CIT and PIT, JPK files and e-invoices in KSeF.
Consultations
Answers to your day-to-day questions about business taxes and accounting.
Since 1992
Advertax started as a one-person business. Today it is a company that continues the same work. Some of our clients have been with us from the start.
- 1992
May 1992
Sławomir Pajewski, a tax adviser, starts the sole proprietorship Advertax Sławomir Pajewski Doradca Podatkowy.
- 2012
The company
Sławomir Pajewski contributes his business in kind to Advertax Sp. z o.o., a company he founded, which continues the same work.
- 2026
Today
Advertax Sp. z o.o. provides accounting, HR and tax services to companies and entrepreneurs.
Contact
Remotely
You do not have to come to the office. We download invoices from KSeF and agree with you how to share the other documents.
Write to us
Tell us briefly what you need. We will reply by email or phone.