Knowledge about tax rules is of a paramount importance for every company in Europe. Eu VAT rules are slightly different in every european country. However, some regulations are common. Nevertheless, it may appear that some rules are ambigious and not easy to understand for an entrepreneur from outside of Europe. Therefore, the professional advisory should be provided. The company Intertax was established to help foreign firms in running their business in Europe. We are a group of professional experts aiming in the professional advisory in such fields, as for instance the EU VAT rules, or accounting.