Personal Information

Mirosław Siwiński is a Partner at Nexia Advicero and a tax advisor and legal counsel with extensive experience in handling proceedings and issuing opinions. He has over 20 years of professional experience. He specializes particularly in issues related to VAT, excise tax, income taxes, and conducting tax analysis. Mirosław also has experience in matters at the intersection of civil and tax law, as well as proceedings before tax authorities, administrative courts, and the Court of Justice of the European Union. He is also involved in drafting opinions and procedural documents in the field of administrative law, with a particular focus on educational subsidies and road transport issues. He also has extensive litigation experience in social security, civil, and labor law cases. He specializes particularly in comments and lectures on VAT, excise tax, tax analysis, and tax proceedings. He is regularly recognized as a recommended tax advisor (rankings of tax advisory firms by the “Rzeczpospolita” daily 2021-2023 – Excise Tax category). He advises in Polish, English, and German.