KSeF 2.0
Poland's mandatory e-invoicing, handled — as part of bookkeeping we receive your invoices from KSeF and, on request, issue them on your behalf.
- Invoice issue and receipt
- KSeF permissions
- Corrections and offline mode
Bookkeeping · KSeF 2.0 · HR & payroll
Full bookkeeping, no surprises.
Since 2006 we've run the books for companies across Poland — from sole traders to limited companies. We also run payroll and handle invoices in KSeF, Poland's national e-invoicing system. Based in Łódź; clients across Poland.
- years in business
- 20+
- companies served
- 100+
Services
What we can do for your company
Full bookkeeping
Statutory books, CIT/VAT/JPK filings, management reporting and month-end closing.
- Polish Accounting Act
- Audit support
- Management reports
KPiR for sole traders
Sole proprietors and civil partnerships — progressive, flat, or lump-sum. Form optimisation.
- KPiR or lump-sum
- VAT & JPK_V7
- PIT advances
HR & payroll
Full employee lifecycle — contract to PIT-11.
- Payroll by day 10
- ZUS and PPK settlements
- HR documentation
English-speaking service
Full bookkeeping service in English. Polish books, reporting also in English.
- Reports in English
- VAT-UE
- Service in English
Flagship service
KSeF 2.0 — we invoice in it every day. Also for our clients.
KSeF has been mandatory in Poland since 1 February 2026 for the largest taxpayers and since 1 April 2026 for the rest. Profais has issued its own invoices through KSeF since 1 February 2026, before the obligation applied to us, and handles its clients' invoices as part of bookkeeping.
01
Issuing and receiving
As part of bookkeeping we receive your invoices from KSeF and, on request, issue invoices on your behalf.
02
Permissions
We set up who can issue invoices in KSeF: our office and chosen people in your company.
03
Day-to-day support
Corrections, offline mode during outages, changes on the Ministry of Finance side — we keep track of them for you.
263
days of KSeF for the largest taxpayers (since 01.02.2026)
204
days of KSeF for other VAT taxpayers (since 01.04.2026)
71
days until KSeF for the smallest businesses (invoiced sales up to PLN 10,000 gross a month) — 01.01.2027
Trust
Numbers you can verify.
- years in business
- 20+
- companies under active engagement
- 100+
- clients served since 2006
- 300+
KIBR member
Krajowa Izba Biur Rachunkowych — an organisation of accounting firms whose members commit to its ethical and quality standards. Profais has been a KIBR member since 2025 and renews its Rzetelne Biuro Rachunkowe certificate annually.
About
An accounting firm that keeps books, not one that fills forms.
Profais Centrum Usług Księgowych has operated in Łódź since 2006. Owned and led by Joanna Woźnica‑Lenarczyk — KIBR member since 2025. Every client has their own account manager for bookkeeping and a separate one for HR and payroll. We serve companies of every size, including entities with foreign owners; when needed we talk and report in English.
- Firm founded on Zgierska Street, Łódź
- KIBR membership
- Invoicing in KSeF from 1 February 2026, before the obligation applied to us
Knowledge base
Understand KSeF, VAT and taxes without reading the statute.
KSeF
KSeF for beginners — what it is and who it applies to
Poland's National e-Invoicing System explained for people who have never used it: how it works, why it exists and what it changes day to day.
ZUS
Mały ZUS Plus in 2026: thresholds, calculations, break-even
Who qualifies for Mały ZUS Plus in 2026, how to compute the base, and when standard ZUS works out cheaper.
PIT/CIT
PIT 2026 for company owners — exemptions, brackets, flat rate
Current 12% and 32% brackets, the 120 000 PLN threshold, the 3 600 PLN tax-reducing amount. Comparison of three taxation models for sole traders.
Contact
Start with a 30-minute call.
Tell us what your company does. In 30 minutes we'll work out where we can help. You get a quote within 48 hours. Call or write — we reply within one business day.
Phone
+48 42 651 89 44 Email
profais@profais.pl Office
Zgierska 176, 91-346 Łódź, Poland (Bałuty) 
Map — Łódź, Zgierska 176 · Open in Google Maps →