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
Wednesday, 15 April 2026
Income tax for March:
5 days
5 days
VAT for March:
11 days
11 days
ZUS contributions for March:
Budget units:
Deadline passed on 06.04.2026.
Next deadline: 05 May 2026.
Deadline passed on 06.04.2026.
Next deadline: 05 May 2026.
Legal entities:
It's today!
It's today!
Other payers: 4 days
NBP average exchange rate table A
as of 2026-04-15
as of 2026-04-15
Euro: 4.237
US Dollar: 3.5939
Swiss Franc: 4.6024
British Pound: 4.8749
Czech Koruna: 0.174
Ukrainian Hryvnia: 0.0826
Hungarian Forint: 0.011648
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