Company lists · Data verified August 2026

Top 25 B2B lead generation companies based in Poland

Name: B2B lead generation companies based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 80 companies tracked

There are 80 B2B lead generation companies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 460 professional contacts across them, including 79 with verified work emails and 18 with mobile numbers. Warsaw is the largest hub.

This list covers B2B lead generation companies 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.

80Companies

460Contacts tracked

79Verified emails

18Mobile numbers

Unlock all 80 companies Free account · no credit card · 2 minutes

The 25 largest B2B lead generation companies based in Poland

Ranked by team size

Top 25 of 80 B2B lead generation companies 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	NNC Services	n/a	11-50	101	13
2	Instream Group	Poznan	11-50	63	12
3	Sales Agency	Wroclaw	11-50	21	6
4	Nessie Research LAB	Warsaw	11-50	20	8
5	Growth Effekt	Wroclaw	11-50	17	5
6	Hotlead.Pl	Poznan	11-50	8	1
7	Open Rate	Poznan	1-10	7	4
8	Leadguru Leady Ubezpieczeniowe I Kredytowe	Wroclaw	11-50	7	1
9	Leadpack	n/a	1-10	6	2
10	Chapters Agency	Wroclaw	1-10	5	3
11	Call4you Sp.Z.O.O	Nowy Sacz	11-50	5	2
12	Vanderbuild	Warsaw	1-10	5	2
13	Outbound Republic	Krakow	1-10	5	1
14	CFT Media	Lodz	1-10	5	1
15	Architecture Of Sales	Gdansk	1-10	5	1
16	Infotarget	Warszawa	1-10	4	3
17	Automatemeup	Wroclaw	1-10	4	2
18	b2bhello.com	Warsaw	11-50	4	1
19	Lead GEN B2B Sellstorm	Katowice	1-10	4	1
20	Leadhub	n/a	1-10	4	1
21	MSGA	Lodz	1-10	4	1
22	Dmsales	Warszawa	11-50	3	1
23	Bizspace	Warszawa	1-10	3	1
24	Experiment5m	Warsaw	1-10	3	1
25	Growify	Wroclaw	1-10	2	1

Showing 25 of 80 B2B lead generation companies based in Poland

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 79 reachable decision-makers.

Free account · no credit card

See all 80 companies

B2B lead generation companies based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarsawLargest hub · 18 HQs

18Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

B2B lead generation companies by metro

Metro	Companies
B2B lead generation companies in Warsaw	18
B2B lead generation companies in Krakow	9
B2B lead generation companies in Warszawa	9
B2B lead generation companies in Wroclaw	9
B2B lead generation companies in Poznan	6
B2B lead generation companies in Lodz	3
B2B lead generation companies in Gdansk	2

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 lead generation companies”, 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; 2 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 lead generation companies are there based in Poland?

There are 80 B2B lead generation companies headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

NNC Services, headquartered in Poland, tops this list with the largest team on record.

Which city has the most B2B lead generation companies?

Warsaw leads with 18 headquartered companies, followed by Krakow (9) and Warszawa (9).

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 79 verified decision-maker contacts tracked across these 80 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.

Ready to reach these companies? Verified emails and direct dials for all 80 B2B lead generation companies based in Poland. Start with a free account, no credit card.

Get the full list

Related lists

B2B lead generation companies by geography

Browse the directory

Browse: Companies home · All Poland lists · All B2B lead generation companies lists · New lists

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.