Poland

International Tax Review is part of Legal Benchmarking Limited, 1-2 Paris Garden, London, SE1 8ND

Copyright © Legal Benchmarking Limited and its affiliated companies 2026

Accessibility | Terms of Use | Privacy Policy | Modern Slavery Statement

Poland

Michal Klosinski


klosinski.jpg

Deloitte Poland

Al. Jana Pawla II 19

Warsaw 00-854

Poland


Tel: +48 225110716

Email: mklosinski@deloittece.com

Website: www.deloitte.com

Michal Klosinski joined the Deloitte Poland tax department in 1998 and became a partner in 2009. He has more than 15 years' experience advising clients on VAT, Customs and excise duties.

Michal has managed numerous tax litigation procedures including court proceedings. In recent years these concerned proceedings aimed at regaining interest on overdue Polish VAT refund claims for foreign businesses, in addition to other matters. Michal has led tax reviews and tax due diligence projects for Polish acquisitions and investments made by international corporations. Additionally he has managed a service line focused on helping foreign businesses effectively manage their indirect tax reporting obligations, including related tax automation.

Michal is a licensed tax adviser and graduated from University of Warsaw.

deloitte-250.jpg

Joanna Stawowska


stawowska.jpg

Deloitte Poland

Al Jana Pawla II 19

Warsaw 00-854

Poland


Tel: +48 22 511 0849

Email: jstawowska@deloitteCE.com

Website: www.deloitteCE.com

Joanna Stawowska is a Deloitte Poland partner and leads the Polish indirect tax practice. For seven years, she served as the Central European regional indirect tax leader, working with professionals in 17 Deloitte member firms. She is experienced in VAT and Customs and excise duty, and has 19 years of experience in tax and fiscal law advisory.

Joanna helps clients solve strategic problems, formulate alternative transaction flows and develop efficient tax structures. She also has assisted several multinational companies with projects involving VAT optimisation, Polish business set-up and cross-border transaction structuring. She serves Polish as well as international clients. She has worked on projects with the European Commission related to the administrative burden of tax and the Customs project TAXUD/2009/AO-06.

Joanna speaks at various Deloitte conferences and trainings as well as externally for organisations such as Fundacja Rozwoju Rachunkowosci and the Institute for International Research.

Joanna holds a master's degree in law from Jagiellonian University in Cracow.

deloitte-250.jpg

Jaroslaw Antosik

Accreo

Dominika Cabaj

DLA Piper

Marcin Chomiuk

PwC

Kalina Figurska-Rudnicka

MDDP

Aneta Gniewkiewicz

PT PODATKI

Tomasz Grunwald

KPMG Tax M Michna sp k

Hubert Jadrzyk

PwC

Lukasz Jamroz

PwC

Piotr Litwin

Enodo Advisors

Jerzy Martini

Martini & Co

Elzbieta Serwinska

MDDP

Wojciech Sliz

PwC

Marta Szafarowska

MDDP

Radoslaw Szczech

EY

Piotr Tatara

Baker & McKenzie

Pawel Tonski

Crido Taxand

more across site & shared bottom lb ros

More from across our site

Trump announced he will cut tariffs after India agreed to stop buying Russian oil; in other news, more than 300 delegates gathered at the OECD to discuss VAT fraud prevention
Taxpayers should support the MAP process by sharing accurate information early on and maintaining open communication with the competent authorities, the OECD also said
The Fortune 150 energy multinational is among more than 12 companies participating in the initiative, which ‘helps tax teams put generative AI to work’
The ruling excludes vacation and business development days from service PE calculations and confirms virtual services from abroad don’t count, potentially reshaping compliance for multinationals
User-friendly digital tax filing systems, transformative AI deployment, and the continued proliferation of DSTs will define 2026, writes Ascoria’s Neil Kelley
Case workers are ‘still not great’ but are making fewer enquiries, making the right decision more often and are more open to calls, ITR has heard
There is a shocking discrepancy between professional services firms’ parental leave packages. Those that fail to get with the times risk losing out in the war for talent
Winston Taylor is expected to launch in May 2026 with more than 1,400 lawyers across the US, UK, Europe, Latin America and the Middle East
They are alleging that leaked tax information ‘unfairly tarnished’ their business operations; in other news, Davis Polk and Eversheds Sutherland made key tax hires
Overall revenues for the combined UK and Swiss firm inched up 2% to £3.6 billion despite a ‘challenging market’
Gift this article