Who we cooperate with

Osborne Clarke

Osborne Clarke is an international law firm with over 1,300 lawyers in 26 locations across the world. Osborne Clarke’s legal services are focused on and around three major economic trends: decarbonization, digitalization, and urban dynamics. The Osborne Clarke Poland law firm’s with over 30 lawyers will service entities from key industries, such as new technologies, energy, infrastructure, real estate, and financial services sectors, as well as investment funds, venture capital, and private equity entities.
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National Chamber of Tax Advisers

The National Chamber of Tax Advisors is a mandatory professional self-government of tax advisers established on 1 January, 1997 by virtue of the Act on Tax Advisory of 5 July 1996, where only tax advisors are members. MDDP is an active member of the professional self-government. In the current term of office, two MDDP partners are on its board: @Ania Misiak has yet again become a member of the National Council of Tax Advisors, and @Alicja Sarna has become a judge of the Higher Disciplinary Court of the National Chamber of Tax Advisors, while @ Tomasz Michalik was the Chairman of the National Chamber of Tax Advisors in 2010-2014.
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Tax Council of the Lewiatan Confederation

The Tax Council is a representative forum for entrepreneurs to express views on the tax law, comprising 150 people, including tax experts and managers, financial directors, tax advisers and legal counsels from 37 industries.

The purpose of the council is to propose and advocate amendments to the tax law to improve the quality of this law and to create solutions that are beneficial for entrepreneurs and thus for economic development.

MDDP is a member of the Tax Council, and the Council Presidium includes:
@Tomasz Michalik, @Anna Misiak and @Alicja Sarna.

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VAT Expert Group

The VAT Expert Group set up and working for the European Commission consists of VAT experts and organizations representing companies across Europe whose knowledge and experience can help in the development and implementation of VAT policies in the European Union.
MDDP is the only Polish member in this group and has been working in it for the fourth term. It is a great distinction and commitment for us, because the Group's objective is to work on proposals and draft amendments to EU VAT regulations, which has a huge impact on the operations of Polish entrepreneurs.


The Urban Land Institute (ULI) is the world's oldest and largest non-profit research and education organization, bringing together experts in all fields related to property management and land usufructuary, with MDDP as a Strategic Partner.
ULI promotes responsible development of the real estate sector, supports research and education in this segment, and influences the shape of the industry around the world.
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CCI France Pologne (CCIFP) is one of the most active bilateral chambers in Poland, which associates over 500 companies with French and Polish capital. The organization's objetcive is to support the development of France-Poland economic relations. MDDP has been a member of the chamber since February 2019.

Belgian Business Chamber

The Belgian Business Chamber, which MDDP is a member of, is a non-governmental organization, operating since 1992, and its mission is to build favorable conditions for economic cooperation between companies from both countries and to promote Belgium in Poland. In order to implement its mission, the Chamber holds, among other things, Business Mixer, Speed Business Meeting and Business Breakfast meetings, conferences, seminars and trainings.


Interactive Advertising Bureau Poland has been present on the Polish interactive technology and advertising market since 2000. The Bureau’s mission is to support the activities of participants in the interactive communication market and to popularize the Internet as an effective medium through promotional, research, educational and legal protection activities.

MDDP joined the organization in 2019. MDDP supports IAB in informing about and analysing issues related to changes in the tax law and their impact on the internet industry.

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Executive Club

Executive Club is a business organization associating top executives, representing the most important Polish and international companies.
The objective of Executive Club is to create in Poland an environment supporting top executives in improving business methods and practices.

MDDP has been a member of the Executive Club since January 2020.

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MDDP is engaged in a World Bank’s Doing Business publication. Doing Business is a World Bank Group flagship publication, that measures the regulations that enhance business activity and those that constrain it. Doing Business presents quantitative indicators on business regulations and the protection of property rights that can be compared across 190 economies. As every year, we are a part of this report in Paying Taxes, a topic that records the taxes and mandatory contributions that a medium-size company must pay or withhold in a given year, as well as the administrative burden of paying taxes and contributions.
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The economic crisis caused by the coronavirus pandemic has hit many companies, including SMEs, which need fast and real action to survive. MDDP tax and legal experts joined the #RatujBiznes campaign run by the Ombudsman for Small and Medium-sized Enterprises and pro bono provide legal and tax assistance to entrepreneurs from the SME sector affected by the current economic situation caused by coronavirus. As part of the campaign, we inform about possible support instruments in the field of public liabilities and we provide legal assistance in the preparation and submission of applications for support.
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