LAWYER PROFILE
Marcin Macieszczak

Marcin Macieszczak

Europe 2026

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Ranked in 2 practice areas

About

Provided by GESSEL

Europe

Practice Areas

Managing partner, attorney at law. Head of GESSEL’s M& A practice. Marcin specializes in capital transactions in the public and private markets. He has over 25 years’ experience advising on M&A transactions, both on the seller’s and buyer’s side. An important part of Marcin’s practice is working with private equity and venture capital funds, both in the formation and raising of funds as well as in investments (especially in the form of buy-outs or expansion capital) and exit transactions via sale of given portfolio assets to strategic investors, to financial investors, and stock flotations.

Marcin also specializes in structuring and executing leveraged buyout transactions. His experience covers comprehensive legal support for all types of M&A transactions, including cross-border ventures. Marcin has led GESSEL’s project teams in more than 100 transactions, including the largest M&A and private equity transactions completed in Poland and the CEE region.

Career

He has many years' experience in legal servicing of M& A transactions, on the buyer and seller sides as well as the lender side (in mezzanine and leveraged buy-out deals). His practice also encompasses restructuring, corporate and real estate legal issues.

Of the almost 500 M&A transactions on which GESSEL has advised, Marcin himself was involved in more than half.

Since 2013, Marcin Macieszczak is recommended in international rankings, e.g. by Chambers Europe, Chambers Globaland Legal 500, IFLR1000, Expert Guides and Polish rankings, e.g. Rzeczpospolita daily, in the field of corporate/M&A and Private Equity.

Professional Memberships

Lawyers Association Worldwide

Publications

Kozuchowski M., Macieszczak M., Wozniak B. (eds.), Prosta Spółka Akcyjna. Commentary with models. Warsaw: Wolters Kluwer Polska, 2021, pp. 15-16, 19-48

Chambers Review

Provided by Chambers

Chambers European Guide

Corporate/M&A: High-end Capability - Poland

Band 3
Band 3

Individual Editorial

Marcin Macieszczak is well versed in advising on acquisitions and sales. Macieszczak also assists clients with venture capital transactions.

Private Equity - Poland

Band 3
Band 3

Individual Editorial
Marcin Macieszczak regularly handles due diligence and share purchase agreements for portfolio companies in relation to the acquisition of majority stakes in energy assets.

Strengths

Provided by Chambers

  • Marcin Macieszczak stands out for his knowledge, experience, problem-solving abilities and business orientation.

    Corporate/M&A: High-end CapabilityChambers European Guide
  • Marcin Macieszczak is extremely client-oriented.

    Corporate/M&A: High-end CapabilityChambers European Guide
  • You can see that Marcin Macieszczak has a lot of experience and can find solutions when you reach difficult spots in the negotiation.

    Corporate/M&A: High-end CapabilityChambers European Guide
  • Marcin Macieszczak is distinguished by his extensive experience and customer-oriented attitude.

    Private EquityChambers European Guide
  • He stands out for his broad strategic perspective and deep understanding of complex business issues.

    Private EquityChambers European Guide
  • Marcin is a true deal leader. He combines deep transactional expertise with strategic thinking and commercial awareness.

    Private EquityChambers European Guide

Ranked Individuals at GESSEL (9)

Poland

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