Company lists · Data verified August 2026

Top 14 B2B data providers based in Poland

Name: B2B data providers based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 52 companies tracked

There are 52 B2B data providers headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 263 professional contacts across them, including 55 with verified work emails and 3 with mobile numbers. Warsaw is the largest hub.

This list covers B2B data providers 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.

52Companies

263Contacts tracked

55Verified emails

3Mobile numbers

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The 14 largest B2B data providers based in Poland

Ranked by team size

Top 14 of 52 B2B data providers 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	h2h.tech	Poznan	51-200	41	27
2	Grupa Marketingowa TAI Sp. Z O.O	Warsaw	51-200	28	11
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	MGBI	Warszawa	11-50	19	5
4	Salelifter	Rybnik	1-10	10	1
5	Vanderbuild	Warsaw	1-10	5	2
6	b2bhello.com	Warsaw	11-50	4	1
7	Lead GEN B2B Sellstorm	Katowice	1-10	4	1
8	Leadhub	n/a	1-10	4	1
9	Dmsales	Warszawa	11-50	3	1
10	Bizspace	Warszawa	1-10	3	1
11	Experiment5m	Warsaw	1-10	3	1
12	Sourcely	Boleslawiec	1-10	2	1
13	Leadsotter	Warsaw	1-10	1	1
14	Leadgrid	Warszawa	1-10	1	1

Showing 14 of 52 B2B data providers based in Poland

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B2B data providers based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarsawLargest hub · 14 HQs

3Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

B2B data providers by metro

Metro	Companies
B2B data providers in Warsaw	14
B2B data providers in Warszawa	14
B2B data providers in Wroclaw	4
B2B data providers in Poznan	3
B2B data providers in Krakow	3
B2B data providers in Gdansk	1
B2B data providers in Poznan Plewiska	1

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 “B2B data providers”, 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; 1 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 B2B data providers are there based in Poland?

There are 52 B2B data providers headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

h2h.tech, headquartered in Poznan, tops this list with the largest team on record.

Which city has the most B2B data providers?

Warsaw leads with 14 headquartered companies, followed by Warszawa (14) and Wroclaw (4).

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 55 verified decision-maker contacts tracked across these 52 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.