Cross-border tax & legal support for international businesses in Poland and CEE

 

Are you looking for a professional and reliable partner in the field of international tax matters? You’re in the right place.

We help international groups, investors and fast-growing companies navigate Polish and CEE tax rules – across transactions, restructurings and ongoing compliance. One lead team, coordinated delivery, clear accountability.

We tailor our tax solutions to the individual needs and goals of each client. We handle both direct and indirect taxes, taking into account the specificities of different jurisdictions and tax systems. We assist clients in effectively and compliantly managing taxes on a global scale.

MDDP International

Are you looking for a professional and reliable partner in the field of international tax matters? You’re in the right place.

Our team consists of specialized experts with extensive knowledge and experience in international taxation. We provide comprehensive business and tax advisory services. For legal advice, we work in partnership with the law firm Osborne Clarke.

We collaborate with leading European consulting firms, delivering high-quality services with a focus on international aspects. Our clients include international corporations as well as the largest Polish companies from all sectors of the economy.

We tailor our tax solutions to the individual needs and goals of each client. We handle both direct and indirect taxes, taking into account the specificities of different jurisdictions and tax systems. We assist clients in effectively and compliantly managing taxes on a global scale.

What makes us different

International experience

Global standards

Multi-jurisdiction support via partner firms in > 70 countries

Leading international and Polish clients

In-depth knowledge of Polish tax, legal and business environment

Full scope of tax support

VAT

International Taxes

Transfer Pricing

General Corporate Tax

Customs and Excise

Transaction Advisory

Tax Litigation

Global Tax

Personal Tax

Green Taxes

Explore cross-border services | Find an expert

Market entry/set-up in Poland & CEE

International tax structuring

VAT in cross-border transactions

Transfer pricing analysis

M&A / post-merger integration

Advisory regarding tax insurance

Business Rationale

Valuations and financial modeling

Fiscal Representation

Tax establishment

Global mobility

Tax residence and foreign income

Polish Holding Company

Polish investment zone

Corporate Income Tax Digital Reporting

National e-Invoicing System

Taxation of the Digital Economy

Transactions with tax haven entities

FATCA and CRS

Tax security

Talk to our International Desk

Ukrainian Hub

Our experts provide formal, legal and organisational support to our clients, their businesses and non-governmental and charitable organisations.

We assist both domestic and international companies that are establishing or preparing to establish operations in Ukraine.

We also assist companies already operating in the Ukrainian market.

#MORE ABOUT OUR SUPPORT >>

German Hub

We advise entrepreneurs from the German-speaking area (Germany, Austria, Switzerland) on cross-border projects, as well as Polish investors wishing to expand into international markets.

Our many years of experience, expert knowledge of tax regulations and foreign legal systems, knowledge of the German language and understanding of the business culture of entrepreneurs enable us to provide our clients with the highest level of service.

#MORE ABOUT OUR SUPPORT >> 

Latin American & Iberian Hub

We offer support for companies and organizations planning to enter the Latin American and Iberian markets or expand their operations there. We assist with legal, tax, and organizational matters, providing advisory services tailored to the specifics of local markets. Thanks to our in-depth knowledge of the legal systems and business culture in these regions, we help clients achieve their goals with a full understanding of local realities. We serve both domestic and international companies, offering solutions customized to their individual needs.

#MORE ABOUT OUR SUPPORT >>

MDDP Insight

KSeF 2026 – the 5 most common mistakes in structured invoicing and how to avoid them
02 July, 2026
Janina Fornalik
The mandatory National e-Invoicing System (KSeF) fundamentally changes the way transactions between businesses...
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The EU Tax Omnibus proposes: fewer formalities, broader exemptions and new incentives for investment
29 June, 2026
Radosław Nowak
The European Commission has presented a draft directive referred to as the tax Omnibus package. Its main...
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IP Box and transfer pricing – where do these two worlds meet?
18 June, 2026
Magdalena Dymkowska
How to correctly determine the income covered by IP Box, and where do transfer pricing rules come into...
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CIT exemption for foreign investment funds investing in Polish real estate – key court rulings and practical implications
17 June, 2026
MDDP
New CIT rulings strengthen tax certainty for foreign funds and make Poland more attractive to real estate...
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Publications

TP-Guide_25-26_cut
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Przedsiebiorcy-pod-lupa-fiskusa_EN
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TAX_expert_guide_EN
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TIPOL_2025
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Transfer_pricing_case_law
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TP_ENG
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ADV_125_split
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Raport
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Deal highlights

MDDP advised Ghelamco on the sale of The Bridge tower in Warsaw
10 July, 2026
MDDP
MDDP experts advised Ghelamco on the transaction concerning the sale of The Bridge – one of the most...
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MDDP obtained a positive opinion from the Head of the National Revenue Administration for a cross-border conversion of a company
08 July, 2026
MDDP
MDDP experts obtained a positive opinion from the Head of the National Revenue Administration confirming...
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Positive individual tax ruling confirming the availability of CIT exemption for an Irish investment fund
01 July, 2026
MDDP
MDDP’s Real Estate Team has successfully obtained an individual tax ruling in which the Director of the...
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MDDP advised Immobel on the sale of the Central Point office building in Warsaw
22 June, 2026
MDDP
MDDP experts advised Immobel on the sale of the Central Point office building to Lewandpol Property....
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9 awards for MDDP in the Rzeczpospolita Tax Advisory Firms Ranking 2026
27 May, 2026
MDDP
We are pleased to announce that MDDP has been recognized in the latest Rzeczpospolita 2026 Tax Advisory...
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Dziennik Gazeta Prawna Ranking: MDDP again among Poland’s leading tax advisory firms
13 April, 2026
Natalia Szachowicz
We are pleased to announce that MDDP has been recognized in the latest 20th Ranking of Tax Advisory Firms...
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First Polish tax case at the General Court of the EU in favour of taxpayers – landmark judgment on VAT deduction
12 February, 2026
Tomasz Michalik
Groundbreaking CJEU judgment in the first Polish tax case – VAT deduction independent of possessing...
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MDDP recognised in the World Tax 2026 and World Transfer Pricing 2026 rankings
22 October, 2025
Dorota Chruściel-Dziekańska
MDDP wyróżnione w rankingach World Tax 2026 i World Transfer Pricing 2026 MDDP has once again been recognised...
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Recognitions

wt wtpWorld Tax and World Transfer Pricing

Leading Advisory Firm in Poland

ITREuropean Tax Awards (International Tax Review)

  • Indirect Tax Practice Leader of the Year.
  • Best Tax Advisory Firm in Poland.
  • Best Transfer Pricing Advisory Firm in Poland.

ITRTax Transactional (International Tax Review)

Transactional Advisory Market Leader

legal500Chambers and Partners, Legal 500, Global Law Experts, Practical Law Company, Lawyer Monthly

Leading Tax Advisory Firm

ITRInternational Tax Review

Best VAT Experts - individual awards for VAT practice partners
Top Woman in Real Estate
individual distinction for leader in Tax & Accounting Services category.

rzepa 12The Rzeczpospolita Ranking of Tax Advisory Firms

  • Best experts in the following categories: Tax Proceedings; International Tax Law.
  • an award for support in a prestigious transaction for a real estate client.
  • the most innovative tax firm - VATcheck, NIPcheck, SAFETYcheck and MDRcheck applications.
  • distinction for the "Smart.TP" application in the "Innovation" category.

rzepa dgp 12The Dziennik Gazeta Prawna Ranking and The Rzeczpospolita Ranking

distinction for cases conducted before domestic courts and CJEU.

rzepa dgp forbes 12aThe Rzeczpospolita Ranking of Tax Advisory Firms The Dziennik Gazeta Prawna Ranking and Forbes Ranking

fifth place in the largest tax advisory firms category individual distinctions for MDDP partners.
Top Brand 2021
As the only Polish company we were deemed one of the 10 leading advisory firms.

#MORE than taxes

LEGAL ADVISORY

In cooperation with Osborne Clarke – one of the largest law firms in the world – we offer comprehensive legal support necessary to conduct business safely and effectively – both on the Polish market and internationally. With access to global know-how, we guarantee the highest quality of legal services.

OSBC

CORPORATE FINANCE

We support our clients by providing financial advisory services.  We offer assistance in investment processes, financial modelling and analysis.  We specialise in providing financial advisory services to companies, investment funds and individuals.

ACCOUNTING SERVICES

We provide accounting outsourcing services as well as HR and payroll services with the use of modern technologies and systems. We help our clients not only meet statutory requirements but also optimally manage company costs and fully utilise the potential of their business.

KNOWLEDGE PLATFORM

We provide practical knowledge in the form of top quality business events, training courses, workshops and webinars, as well as tax and legal publications. Our trainings are conducted by experienced experts awarded both in Poland and abroad.

Get in touch with us if you have any questions

Barbara Lenarcik MDDP
Barbara Lenarcik

Partner | Business Development, Marketing, and Communication Team
E: barbara.lenarcik@mddp.pl
T: +48 510 915 615