Company lists · Data verified August 2026

Top 25 Data protection law firms based in Poland

Name: Data protection law firms based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 135 companies tracked

There are 135 data protection law firms headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 478 professional contacts across them, including 167 with verified work emails and 12 with mobile numbers. Warszawa is the largest hub.

This list covers data protection law firms headquartered in 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.

135Companies

478Contacts tracked

167Verified emails

12Mobile numbers

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The 25 largest data protection law firms based in Poland

Ranked by team size

Top 25 of 135 data protection law firms based in 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	Lubasz I Wspólnicy	Lodz	11-50	36	23
2	KRK Kieszkowska Rutkowska Kolasiński	Warsaw	11-50	26	16
3	Leśniewski Borkiewicz Kostka & Partners	Wroclaw	11-50	20	2
4	ODO 24 Sp. Z O.O	Warszawa	11-50	16	7
5	Auraco Sp. Z O.O	Warszawa	11-50	12	7
6	WN Legal & TAX	Kielce	11-50	12	5
7	Just LAW	Warsaw	11-50	11	4
8	Core LAW Grzybowski & Pilc	Poznan	11-50	9	8
9	Doit.Biz Sp. Z O.O	Poznan	1-10	9	6
10	Jamano	Warszawa	11-50	9	5
11	Rzetelna Grupa Sp. Z O.O	Warsaw	11-50	9	5
12	Barta & Partners	Krakow	11-50	9	3
13	Inspektorzy ODO	Warszawa	11-50	9	1
14	Janowski Markiewicz Sp.J	Krakow	1-10	8	4
15	Kancelaria Radców Prawnych Bartosz Pawelczyk Krzysztof Kozik S.C	Poznan Wielkopolska	11-50	7	5
16	Legal HUB Wojnarowska Ścigała Irlik	Krakow	1-10	7	4
17	LEX Artist Sp. Z O.O	Warszawa	11-50	7	2
18	Omni Modo	Warszawa	11-50	6	4
19	Rodo.Pl Sp. Z O.O. Sp. K	Poznan	11-50	6	4
20	Barta Litwiński	Krakow	11-50	6	1
21	Discretia	Warsaw	1-10	6	1
22	Inbase Sp. Z O.O	Warszawa	11-50	4	4
23	European Network Security Institute Ensi	Warszawa	11-50	4	3
24	Pharos Michał Zajdowicz	Poznan Wp	1-10	4	3
25	Kancelaria Prawna M. Topyła-Komosa Sp. K	Warszawa	11-50	4	2

Showing 25 of 135 data protection law firms based in Poland

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Data protection law firms based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarszawaLargest hub · 43 HQs

12Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Data protection law firms by metro

Metro	Companies
Data protection law firms in Warszawa	43
Data protection law firms in Krakow	14
Data protection law firms in Warsaw	11
Data protection law firms in Poznan	10
Data protection law firms in Wroclaw	9
Data protection law firms in Lodz	8
Data protection law firms in Gdynia	3

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 “data protection law firms”, with match quality audited by blind human judging, and headquartered in 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 data protection law firms are there based in Poland?

There are 135 data protection law firms headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Lubasz I Wspólnicy, headquartered in Lodz, tops this list with the largest team on record.

Which city has the most data protection law firms?

Warszawa leads with 43 headquartered companies, followed by Krakow (14) and Warsaw (11).

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 167 verified decision-maker contacts tracked across these 135 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.