Company lists · Data verified August 2026

Top 23 Antitrust law firms based in Warszawa, Poland

Name: Antitrust law firms based in Warszawa, Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 66 companies tracked

There are 66 antitrust law firms headquartered in Warszawa, Poland (RevenueBase, August 2026). RevenueBase tracks 445 professional contacts across them, including 129 with verified work emails and 19 with mobile numbers. Warszawa is the largest hub.

This list covers antitrust law firms headquartered in Warszawa, Poland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

66Companies

445Contacts tracked

129Verified emails

19Mobile numbers

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The 23 largest antitrust law firms based in Warszawa, Poland

Ranked by team size

Top 23 of 66 antitrust law firms based in Warszawa, Poland, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Kopeć & Zaborowski KKZ	Warszawa	51-200	63	40
2	Kancelaria Prawna Graś I Wspólnicy	Warszawa	51-200	56	9
3	Krzysztof Rożko I Wspólnicy Kancelaria Prawna	Warszawa	11-50	22	15
4	Affre I Wspólnicy Sp. K	Warszawa	11-50	15	12
5	Skubisz Intellectual Property LAW Firm	Warszawa	11-50	12	10
6	Kaczor Klimczyk Pucher Wypiór	Warszawa	11-50	12	6
7	KMD Legal	Warszawa	11-50	12	2
8	AD Casum	Warszawa	11-50	10	7
9	Karniści.Pl	Warszawa	1-10	7	3
10	SK Lawyers Rafał W. Sikorski I Daria Krzyżanowska Sp. P	Warszawa	1-10	6	5
11	Robert Jędrzejczyk I Wspólnicy	Warszawa	11-50	6	2
12	Hansberry Tomkiel Sp. K	Warszawa	1-10	5	3
13	GLAW	Warszawa	1-10	4	2
14	Maniewski & Tarkowski	Warszawa	1-10	4	2
15	Królewiecki Rudzki Mackiewicz. Adwokaci	Warszawa	1-10	2	2
16	ZKA Legal Zupka & Kruk - Antoszewska	Warszawa	1-10	2	2
17	MTS Legal	Warszawa	1-10	2	1
18	A&rt Rynkowska Piekarz	Warszawa	1-10	2	1
19	ISK Kancelaria Radcy Prawnego Irena Skubiszak	Warszawa	1-10	2	1
20	Reon Legal	Warszawa	11-50	1	1
21	Kancelaria Prawna. Jacek Białobrzeski. Causa	Warszawa	1-10	1	1
22	Purolnik Legal	Warszawa	1-10	1	1
23	Fornalik LAW	Warszawa	1-10	1	1

Showing 23 of 66 antitrust law firms based in Warszawa, Poland

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Antitrust law firms based in Warszawa, Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarszawaLargest hub · 66 HQs

19Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Antitrust law firms by metro in Poland

Metro	Companies
Antitrust law firms in Warszawa	66
Antitrust law firms in Poznan	25
Antitrust law firms in Warsaw	23
Antitrust law firms in Krakow	19
Antitrust law firms in Wroclaw	19
Antitrust law firms in Katowice	14
Antitrust law firms in Lodz	6

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “antitrust law firms”, with match quality audited by blind human judging, and headquartered in Warszawa, Poland.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many antitrust law firms are there based in Warszawa, Poland?

There are 66 antitrust law firms headquartered in Warszawa, Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Kopeć & Zaborowski KKZ, headquartered in Warszawa, tops this list with the largest team on record.

Which city has the most antitrust law firms?

Warszawa leads with 66 headquartered companies, followed by Poznan (25) and Warsaw (23).

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 129 verified decision-maker contacts tracked across these 66 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.