Our Team

Mariusz Dzidowski, attorney at law

Mariusz Dzidowski is an attorney at law registered with the District Bar Association in Warsaw. He has been a member of the District Bar Association in Warsaw since 2003.

He graduated from the Faculty of Law and Administration at the University of Warsaw and completed barrister traineeship in the District Bar Association in Warsaw.  He also accomplished a year training course "The Law of the European Union in Practice" organized by the Łazarski University and the Russian Law Program organized by the Łazarski University in collaboration with the Academic Law Institute in Moscow which operates through the Institute of State and Law of the Russian Academy of Sciences (lectures were delivered by Russian lecturers and the language of instruction was Russian).

He has twenty years’ experience gained in Warsaw law offices. He was a partner in law offices and legal counsellor’s offices and subsequently he established his own law office. In his activities he concentrates mainly on providing legal assistance to entrepreneurs - both Polish and foreign (among others, he deals with businesses from South Korea, Spain, Norway, Slovakia and Russia). He has worked with real estate development companies, architecture and building companies, big retail chains, firms dealing with modern technologies, energy service companies, housing and production cooperatives, diplomatic missions, a local administration unit, as well as with clients dealing with real estate market investments. He represented his clients in court and in public auctions drawing up contracts and supporting his clients in the field of the corporate law. He also carried out legal due diligence audits. Mariusz Dzidowski also has experience in providing legal services and assistance to legal persons. In this domain he dealt with indemnification procedures, reprivatization cases (e.g. so called Warsaw land), inheritance and property law, as well as with  family law (e.g. divorces) and labour law.

He specializes in broadly understood civil law, companies and partnerships law, property law and building code.

Mariusz Dzidowski was a member of teaching staff at faculties of law in a few of Warsaw higher education institutions (among others, in the Łazarski University and in the Chodkowska University) for six years.

Foreign languages: English, Russian




Artur Bednarek, tax counsellor

A graduate of the Warsaw School of Economics where he accomplished the Finance and Banking course. Artur Bednarek has participated in a great number of training courses and seminars in the field of tax law with special focus on corporate tax and value added tax.

He has been working on tax issues since 2002 cooperating with subjects from a wide range of businesses, among others FMCG, public services and finance. He participated in tax proceedings, tax audits, and court and administrative proceedings. As a part of collaboration with statutory auditors he participated in reviewing financial statements. At present, he provides legal advice to entrepreneurs running business activities.

Since December 2006 he has been registered with the National Chamber of Tax Advisers.

Foreign languages: Russian, English



Klementyna Bieńkowska, attorney at law

She graduated from the Faculty of Law and Administration of Warsaw University with top grades. She is also a graduate of full-time Bachelor's and Master's studies at the Warsaw School of Economics, where she has been awarded the Rector's scholarship for the best students several times.

Previously she was professionally involved in business, she has been a member of the District Bar Association in Warsaw since 2017. She specializes in economic and civil law. In the Law Firm, she deals in particular with litigation and provides comprehensive services to business entities, including developers, construction, commercial, transport and research companies. She also supports the Law Firm's Clients in the construction process.

Moreover, she serves foreign clients, e.g in obtaining Polish residence permits.

Professionally she is also involved in administrative and family law.

Her professional interests revolve around real estate law.

Foreign language skills: English



Liliia Petruniak, Ukrainian Lawyer

In 2017 graduated from Vasyl Stefanyk Precarpathian National University with first class honours in master’s degree in law.

19th October 2019 Liliia Petruniak received a status of lawyer of Ukraine and was admitted to the Ukrainian National Bar Association, according to Certificate of right to practice law № 001637.
Her legal work in Ukraine was mainly focused on providing professional legal assistance to legal entities, including, but not limited to:
-    representation and protection of the rights and legally protected interests of enterprises in public authorities, judicial and law enforcement agencies,
-    legal support of economic activity of legal entities on corporate law,
-    development and analysis of legal mechanisms of legal and profitable operation of enterprises,
-    contractual activities of enterprises,
-    claims work,
-    taking measures to enforce court decisions.

Additionally, she has experience in providing legal assistance to individuals.
In April 2022, she started working with the Law Firm of Lawyer Mariusz Dzidowski.
Specializes in Polish-Ukrainian and Polish-Russian international law in the field of economic, civil, family and labor relations. Furthermore, Liliia Petruniak provides a full range of legal services for individuals and legal entities in Ukraine.
Foreign languages: Ukrainian, Russian, Polish.



Justyna Gałka, trainee attorney

A graduate of the Faculty of Law and Administration at the University of Warsaw. She has been a member of the District Bar Association in Warsaw since 2010.

She has been cooperating with our Law Office since 2011. From 2006 to 2011, as a volunteer, she collaborated with the Academia Iuris Foundation's Legal Clinic in Warsaw. She also has experience in public administration. In 2011 she accomplished the Law of the European Union in Practice training course organized by the Łazarski University.

Her professional interests concentrate around the issues of civil law and proceedings, family law and administrative law.

Foreign languages: English



Katarzyna Pisarek

She is responsible for the organizational and administrative services in the Law Office.

She has over ten years of experience in organizing and managing a reception and in providing administrative services to law offices.

Outside work she is fond of travelling and likes spending her time actively. For many years she has been fascinated with Italian culture and in consequence she is a fluent speaker of Italian.

Foreign languages: Italian and English