About us:
MartiniTAX is a reputable tax advisory company of more than 20 people with specialized teams in all tax areas.
Learn more- We are working with local family companies and big global corporations.
- We believe in specialization and highest quality of tax services.
- We thrive on solving extraordinarily complex tax problems.
- In the interest of our clients we have led cases in front of the Court of Justice of the European Union in the Luxembourg and in every possible instance of administrative courts in Poland.
Meet the team
We are a strong tax advisory team recognized by both Polish and international rankings. Regardless of your company’s size we are here to provide you with comprehensive solutions to your tax problems. Our unique know-how drawn from years of expertise makes us reliable partners for your business.
Administration
Karolina
Pierścińska
Jerzy Martini
- Founding Partner, tax advisor with over 20 years of experience in area of VAT tax;
- Band 1 in the ‘Tax: Consultants’ category of Chambers & Partners;
- The most experienced Polish tax advisor in proceedings before the Court of Justice of the European Union in Luxembourg (CJEU);
- Recognized author of books and press publications, keynote speaker;
- Chairman of the Tax Council of Polish Confedaration Lewiatan.
Marek Wojda
- Founding Partner with over 20 years of experience in the area of VAT tax;
- Co-author of major publications: Commentary on the VAT Directive and Commentary to the VAT Act;
- Successfully represented clients in proceedings before the Court of Justice of the European Union in Luxembourg (CJEU);
- Experienced in proceedings before all instances of Polish Administrative Courts.
Michał Majczyna
- Partner, lawyer and tax advisor with several years of professional experience;
- He specializes in advising on VAT matters and handling inspections, tax and administrative court proceedings;
- He gained his professional experience in tax consulting offices and in the Supreme Administrative Court;
- The winner of the first prize in the National Ranking of Tax Consultancy Firms of Rzeczpospolita in the category “Young talent of tax consultancy” in 2019;
- He lectures on tax law and business law at the Warsaw School of Economics;
- Author and co-author of numerous books and articles on tax law, among others in Tax Review, Tax Monitor, Palestra.
Michał Tokarz
- Senior Manager, tax advisor and legal counsel with several years of experience in providing services to entities from the financial, automotive, machinery, construction, food, retail and public sectors;
- A graduate of the Faculty of Law and Administration of the Jagiellonian University and the School of American Law conducted by the Columbus School of Law in Washington;
- He conducted numerous trainings on VAT, and is the author of publications in the field of VAT in leading Polish newspapers: Rzeczpospolita, Monitor Podatkowy and Przegląd Prawa Egzekucyjnego.
Mateusz Pietranek
- Senior Manager, tax advisor, graduate of the Faculty of Law at the University of Silesia;
- He has been engaged in tax consulting since 2014. He gained his experience in international consulting companies and a renowned law and tax firm;
- In his daily practice, he is engaged in day-to-day CIT tax consulting with international taxation aspects, reorganization issues, as well as tax reviews.
Jan Jaworski
- Counsel, attorney-at-law, doctor of law;
- He gained his professional experience in the Supreme Administrative Court, where for over 15 years he dealt with cases concerning disputes with tax authorities in the field of VAT;
- In MartiniTAX, he deals in particular with support in proceedings before tax authorities and administrative courts, regarding issues related to VAT;
- His scientific interests were focused on the analysis of the jurisprudence of administrative courts, the Court of Justice of the European Union and the Constitutional Tribunal on the Polish tax law;
- Author of publications in “Polish Courts’ Jurisdiction” and “Tax Jurisdiction”.
Arin al Azab
- Senior tax consultant, lawyer, graduate of the WPPiA of the John Paul II Catholic University of Lublin;
- She gained professional experience at the Supreme Administrative Court, where she spent more than 3 years dealing mainly with real estate tax cases and administrative enforcement proceedings;
- At MartiniTAX, she is involved in assisting clients with real estate tax proceedings before tax authorities and administrative courts.
Klaudia Ostanek
Natalia Czerczak
- Lawyer, tax consultant, and a graduate of Law from Kozminski University in Warsaw.
- She has been involved in tax advisory since 2020, gaining her professional experience in the tax advisory department of an international consulting firm and a renowned law and tax firm.
- In her daily professional practice, she provides ongoing tax advisory services related to CIT and VAT, and her professional experience also includes support in the areas of PIT and Global Mobility issues.
- At MartiniTAX, she assists clients in resolving tax issues related to the day-to-day operations of their businesses.
Kamil Słota
- Tax consultant, economist, and graduate of the Warsaw School of Economics.
- He gained his professional experience in international consulting firms and Warsaw-based tax law firms.
- At MartiniTAX, he specializes in corporate income tax and supports the VAT team.
James Roscoe
- Tax Consultant
- At MartiniTAX, he supports clients in the area of corporate income tax (CIT) and is responsible for developing client relationships and establishing new business partnerships on behalf of the firm.
- He has been involved in accounting and tax matters since 2022. His professional experience began during the first year of his studies in Finance and Accounting, when he started working as a junior accountant. For three years, he handled comprehensive accounting and tax services for businesses.
- He is fluent in both Polish and English.
Karolina Pierścińska
- Lawyer, a graduate of the Faculty of Law and Administration at the Cardinal Stefan Wyszyński University in Warsaw;
- Specialist in administration, office manager;
- She gained her professional experience in a reputable Warsaw law firm.