Europe Guide 2026 : Poland
Ranked Individuals
Provided by Queritius
Queritius is a specialist dispute resolution law firm focusing on complex international arbitration and cross-border litigation. The team advises clients throughout the dispute lifecycle, including pre-dispute strategy, settlement negotiations, arbitration and court proceedings, as well as enforcement and annulment of arbitral awards. The firm regularly acts as counsel and arbitrator in proceedings under leading institutional and ad hoc rules, including ICC, UNCITRAL, SCC, DIS and SA KIG.
The practice represents multinational corporations, financial institutions, investment funds and companies in sectors such as infrastructure, technology and renewable energy, advising both Polish companies and international investors in disputes connected with the Central and Eastern European market.
Recent work highlights include representing PESA Bydgoszcz in arbitration and litigation against PKP Intercity concerning train supply contracts exceeding EUR 220 million; advising Alior Bank and Alior Leasing in post-arbitration annulment and enforcement proceedings; and representing renewable energy developer Optima Wind in a multiparty dispute concerning photovoltaic projects in Poland and Germany.
The team has particular expertise in international commercial arbitration, investment treaty disputes, infrastructure and construction disputes, energy and renewables, shareholder disputes and post-M&A litigation.
Provided by Chambers
The team at Queritius assists with commercial and investment arbitration cases involving Polish companies and banks. The lawyers are also involved in cases concerning the wider CEE and CIS regions. The team is regularly instructed by clients in the automotive, construction and energy sectors. The team's members also act as arbitrators.
Provided by Chambers
The team at Queritius acted for CAS in proceedings against a local subsidiary of the Turkish Gülermak construction group and pertaining to an infrastructure project.
Provided by Chambers
Queritius is absolutely spectacular. It responds to our business needs and comes up with a proper strategy that we believe in. The team is very creative and detail-oriented, I am truly impressed.
Each lawyer at Queritius brings a wealth of experience from Big Law, which enables them to combine top-tier expertise with the flexibility and personalised approach of a boutique firm.
What sets Queritius apart is the lawyers' attention to detail, high commitment, experience and knowledge gained from many previous projects. It has a highly specialised, committed team.
The lawyers are thoughtful and experienced, with a solid understanding of international disputes. Their approach combines sound legal reasoning with a practical understanding of commercial realities.
Provided by Chambers
Wojciech Sadowski often acts as arbitration counsel and an arbitrator on commercial arbitration proceedings, including under ICC rules. He has further experience in UNCITRAL arbitration mandates.
Wojciech Sadowski adapts very quickly to new situations and analyses them very well to draw the right conclusions.
Wojciech Sadowski has the highest level of involvement and business understanding.
Wojciech Sadowski is so calm and sure of what he is presenting that it transfers onto you. He can adeptly answer all of your concerns and questions and makes you feel so comfortable.
Wojciech Sadowski is extremely well prepared, very collaborative. He really pays a lot of attention to the cases; every case matters.
Wojciech Sadowski is an original thinker who really thinks outside the box, looks at he problem from various angles very attuned to the market and needs of the clients. He is responsive and reactive.
Alicja Zielińska-Eisen has experience handling domestic and international arbitrations concerning infrastructure, energy and construction, as well as post-arbitral proceedings. In addition to her role as counsel, she is also well known for her work as an arbitrator.
Alicja Zielińska-Eisen demonstrates a remarkable ability to translate complex legal theories into understandable solutions.
Alicja Zielińska-Eisen is splendid. I think she's a bright star when it comes to arbitration.
Alicja Zielińska-Eisen is always on top of her cases, delivers efficient results and with precision.
Alicja Zielińska-Eisen brings not only sharp legal analysis but also exceptional commercial awareness, which is crucial in high-stakes international disputes.
Alicja Zielińska-Eisen is very smart, responsive and has good ideas.
Arbitration
Arbitration
Arbitrators
Arbitrators
Provided by Queritius
Joanna Iwanicka
Maria Paschou
Aleksandra Kozerska
Jan Bałdyga
Alexey Pirozhkin
Alicja Zielińska-Eisen
View profile of Alicja Zielińska-EisenWojciech Sadowski
View profile of Wojciech Sadowski
Chambers is the leading data and intelligence partner for the legal sector.
