Company lists · Data refreshed September 2026
Top 25 Mergers and acquisitions law firms based in Poland
RevenueBase identified 408 mergers and acquisitions law firms headquartered in Poland as of September 2026 and tracks 2,960 professional contacts across them, including 1,066 with verified work emails and 63 with mobile numbers. Warszawa is the largest hub.
This list covers mergers and acquisitions law firms headquartered in Poland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, how directly it supports the match, and when it was last checked. Data refreshed September 5, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest mergers and acquisitions law firms based in Poland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 120 | ||||
“Poland remains one of Europe’s fastest-growing economies, attracting record levels of investment and driving landmark M&A and corporate finance activity.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 114 | ||||
“GESSEL is one of the leading law firms in the Polish market.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 73 | ||||
“SMM LEGAL Maciak Mataczyński Adwokaci sp.k.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | 71 | ||||
“formerly known as act BSWW legal & tax, has been building its reputation among Polish and international clients for over two decades.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 57 | ||||
“Graś i Wspólnicy sp.k.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | Merski Radcy Prawni I AdwokaciIndirect evidence | 51 | |||
“Our Firm is recognized and appreciated for our comprehensive approach to problems.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 49 | ||||
“Our people are what sets us apart.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 45 | ||||
“Founded in 2020 by a group of experienced business lawyers, MJH offers comprehensive legal services in the areas of- civil and commercial law- private and public M&A- competition…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 38 | ||||
“Kancelarię Ślązak, Zapiór i Partnerzy tworzy grupa ponad 50 ekspertów: adwokatów, radców prawnych, aplikantów adwokackich i radcowskich oraz prawników specjalizujących się w…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 38 | ||||
“Since 2005 we have been offering comprehensive legal advice to entrepreneurs and individual clients.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | 34 | ||||
“CMT Advisory’s business focus is transactional and business consulting.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 33 | ||||
“Zapewniamy firmom bezpieczeństwo prawne ich biznesu, a klientom indywidualnym pomagamy w dochodzeniu roszczeń od instytucji finansowych.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 31 | ||||
“TGC Corporate Lawyers is an international law firm that offers clients comprehensive legal advisory while supporting development and security of their business.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 30 | ||||
“Mariański Group to kancelaria prawno-podatkowa wyspecjalizowana w obsłudze firm rodzinnych i prywatnych inwestorów.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 29 | ||||
“Our law office was founded in 1996 and specializes in comprehensive legal advice in the field of commercial law.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 25 | ||||
“Baker Tilly Legal Poland jest kancelarią dedykowaną do obsługi przedsiębiorców we wszystkich kluczowych obszarach ich działalności.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 24 | ||||
“CP provides legal, compliance and transactional advisory support.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | MFW FiałekPartial evidence | 24 | |||
“MFW Fiałek – M&A law firm in Poland MFW Fiałek is an M&A and transactional law firm based in Warsaw, Poland.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 24 | ||||
“We are a specialized consultancy firm operating in the area of mergers and acquisitions, transaction advisory and corporate finance.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | 24 | ||||
“The Pietrzak Sidor & Partners Law Firm was founded in 2007 by advocate Mikołaj Pietrzak and legal advisor Artur Sidor.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 24 | ||||
“Independent consulting firm specialising in transaction services, particularly in due diligence, valuations and financial modelling.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 22 | ||||
“Kancelaria specjalizuje się w kompleksowym doradztwie w zakresie prowadzenia biznesu.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 22 | ||||
“LegalKraft is a modern independent boutique law firm focused on transactions, both M&A and real estate.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 21 | ||||
“Hoogells is a Warsaw-based law firm specializing in commercial law.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 20 | ||||
“Kancelaria prawnicza Głowacki i Wspólnicy sp.k.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
Showing 25 of 408 mergers and acquisitions law firms based in Poland
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Mergers and acquisitions law firms based in Poland at a glance
As of Sep 5, 2026Companies by employee count
Verified emails by last verification
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among mergers and acquisitions law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Poland whose own description of what they do matches “mergers and acquisitions law firms”. Matching reads each company's description, not its industry code or its name.
- What we exclude
- Companies whose own description does not clearly place them among mergers and acquisitions law firms, and records with no verified work email. Companies headquartered outside Poland are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and an evidence rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every listed company carries at least one verified work email, 1,066 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Mergers and acquisitions law firms by metro
Frequently asked
How many mergers and acquisitions law firms are there based in Poland?
RevenueBase identified 408 mergers and acquisitions law firms headquartered in Poland as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Baker Mckenzie Polska, headquartered in Warsaw, tops this list with the largest team on record.
Which city has the most mergers and acquisitions law firms?
Warszawa leads with 112 headquartered companies, followed by Warsaw (68) and Poznan (34).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,066 verified decision-maker contacts tracked across these 408 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
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