Information for entrepreneurs:
Bankier.pl - finance portal
Infor.pl - tax information – indicators, contributions and premiums, legislation
Internet Archives for Journals of Laws and Gazettes
Podatki.pl - website for entrepreneurs
taxes - Hoga.pl
taxes - Onet
taxes - Wirtualna Polska
Taxonline.pl - tax website PricewaterhouseCoopers
Twoja Firma - information for small and medium businesses
VAT.pl - everything about VAT in PL and EU

European Funds:
ZPORR - The Integrated Regional Operational Programme
PARP - Polish Agency for Enterprise Development
Program Konkurencyność - program for competitiveness - EU for the enterprising