Useful links, information and tools
Here you will find useful information, links and tools to help you in your daily work.
Links
Tax Office e-Portal
Central Register of Business Activity (CEIDG)
National Court Register (KRS)
ZUS Electronic Services Platform
PKD Codes (Business Classification)
Tax micro-account generator
National Tax Information (KIS)
VAT Taxpayers List (White List)
VAT Number Verification - VIES
ZUS contribution account number lookup
e-Documents and declarations
Registers and search engines
HR and payroll
Calendar
Tuesday, 20 October 2026
Income tax for September:
Deadline passed on 21.10.2026.
Next deadline: 20 November 2026.
Deadline passed on 21.10.2026.
Next deadline: 20 November 2026.
VAT for September:
5 days
5 days
ZUS contributions for September:
Budget units:
Deadline passed on 05.10.2026.
Next deadline: 05 November 2026.
Deadline passed on 05.10.2026.
Next deadline: 05 November 2026.
Legal entities:
Deadline passed on 15.10.2026.
Next deadline: 16 November 2026.
Deadline passed on 15.10.2026.
Next deadline: 16 November 2026.
Other payers:
It's today!
It's today!
NBP average exchange rate table A
as of 2026-10-20
as of 2026-10-20
Euro: 4.3716
US Dollar: 3.8959
Swiss Franc: 4.7227
British Pound: 5.2003
Czech Koruna: 0.1798
Ukrainian Hryvnia: 0.0864
Hungarian Forint: 0.012042
Księgowość Żabki
Rozliczamy Żabki
Znamy specyfikę rozliczeń franczyzy Żabka. Księgowość dla franczyzobiorców Żabki + ZUS właściciela + kadry pracowników - od 600 zł netto/mies. Obsługa stacjonarna i zdalna.
tel.: +48 606 765 317
e-mail: biuro@ fengo.pl
e-mail: biuro@ fengo.pl