We are proud to note that the just-released Chambers Europe ranking yet again lavishes praise on GESSEL overall, and on our individual colleagues.

This year’s edition of Chambers Europe distinguishes GESSEL in three practice areas:

  • Capital Markets;
  • Corporate/M&A;
  • Private Equity.

 Individual mentions go to:

We extend our heartfelt thanks to all our colleagues, and we thank our Clients for their trust and for the opportunity to contribute to the success of their projects !


We take especial pride in the testimonials collected by Chambers & Partners:

  • International Arbitration: Most In Demand Arbitrators - Europe-wide

Beata Gessel-Kalinowska vel Kalisz is "excellent and super sharp," according to a source. She is noted for presiding in cases concerning Eastern Europe.

  • Dispute Resolution: Most in Demand Arbitrators - Poland

Beata Gessel-Kalinowska vel Kalisz is a highly regarded arbitrator. "She brings amazing experience to the table: the understanding of commercial issues and a razor-sharp legal analysis," a source says.

  • Capital Markets

Clients highlight the team's strengths as "creativity, and the ability to apply rules and law to practical needs."

Another client says: "I appreciate that they know what type of help I need at each stage. I feel comfortable working with them."

Krzysztof Marczuk advises on a variety of ECM deals from IPOs to share capital deals. "He has a very good understanding of clients' needs. He is very good at communicating with very difficult clients," a source says. Another client notes that he is able to "communicate in an accessible way all the consequences of possible actions and provide unconventional solutions."

Leszek Koziorowski regularly advises mid-sized corporates on IPOs and SPOs. Clients highlight his pro-business approach and his in-depth knowledge of the practice area.

  • Corporate/M&A

"They show great acumen and know-how in relation to both the legal and business side of the transitions," clients reveal.

Another source commends the team for its "responsiveness and ability to work fast," adding that the team was "preparing tailor-made solutions which take into account non-legal factors and address peculiarities of our business."

Maciej Kożuchowski advises financial services clients on investments and divestments.

Małgorzata Badowska's activity ranges from acquisitions and investments to corporate structuring advice. She advised on transactions involving M&A in the e-commerce and AI sectors. Clients describe her as "highly capable, personable and sharp" and also praise her negotiation skills.

Marcin Macieszczak advises on the full spectrum of corporate matters, ranging from acquisitions and sales to management buyouts and private equity investment matters. Clients appreciate his "legal knowledge and the ability to propose unconventional solutions." Another source states: "He is very plain-speaking and able to break down complicated things. He is also very commercial and proactive."

  • Private Equity

A client says: "They were responsive and turned the documents as we expect them."

Another source notes: "They presented a very incisive projection of the risk and they met challenging deadlines."
Marcin Macieszczak represents an array of venture capital and private equity clients, both domestic and internationally based. He has vast experience advising on mid-market investments and acquisitions.

Chambers and Partners is a prestigious ranking published since 1990; one of the factors underpinning its popularity and credibility is comprised in the thorough, objective research conducted by its highly qualified, experienced team. Chambers Global tracks the most renowned law firms and the best practitioners the world over; its rankings are based on annual studies, client feedback, and on information submitted by the firms themselves