On these websites You can find much useful information on business-related issues and not only:
these pages are devoted to taxes and business-relates issues, they contain a number of easy-to-access information;
a collection of many useful indicators concerning taxes, economic activity, VAT, Social Insurance Board and many others, as well as calculators which allow to calculate Social Insurance Board contributions, salaries, interest rates and tax;
financial portal which publishes, i.a., stock market quotations, indexes, currency exchange rates, interest rates, WIBOR and LIBOR indicators, comparisons of bank and fund offers and many others;
Polish Parliament Webpage allows you to search through legislative acts published in the Journal of Laws and in “Monitor Polski” gazette; in most cases an up-to-date consolidated version of legal acts, as well as the list of executive and related acts;