Company lists · Data verified August 2026

Top 25 B2B lead generation agencies based in Poland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 107 companies tracked

There are 107 B2B lead generation agencies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 633 professional contacts across them, including 120 with verified work emails and 19 with mobile numbers. Warsaw is the largest hub.

This list covers B2B lead generation agencies 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.

107Companies

633Contacts tracked

120Verified emails

19Mobile numbers

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The 25 largest B2B lead generation agencies based in Poland

Ranked by team size

Top 25 of 107 B2B lead generation agencies 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	Adwise	Gliwice	11-50	37	5
4	Sales Agency	Wroclaw	11-50	21	6
5	Nessie Research LAB	Warsaw	11-50	20	8
6	Clipatize	Warsaw	11-50	17	14
7	Growth Effekt	Wroclaw	11-50	17	5
8	6minded	n/a	11-50	16	8
9	Performance Labs Polska	Warszawa	11-50	12	8
10	Lemon Agency	Warszawa	11-50	10	1
11	Hotlead.Pl	Poznan	11-50	8	1
12	Open Rate	Poznan	1-10	7	4
13	Leadguru Leady Ubezpieczeniowe I Kredytowe	Wroclaw	11-50	7	1
14	Leadpack	n/a	1-10	6	2
15	Chapters Agency	Wroclaw	1-10	5	3
16	Call4you Sp.Z.O.O	Nowy Sacz	11-50	5	2
17	Performance Digital B2B Marketing & Sales	Krakow	1-10	5	2
18	Vanderbuild	Warsaw	1-10	5	2
19	Outbound Republic	Krakow	1-10	5	1
20	Architecture Of Sales	Gdansk	1-10	5	1
21	Automatemeup	Wroclaw	1-10	4	2
22	b2bhello.com	Warsaw	11-50	4	1
23	Lead GEN B2B Sellstorm	Katowice	1-10	4	1
24	MSGA	Lodz	1-10	4	1
25	Leadhub	n/a	1-10	4	1

Showing 25 of 107 B2B lead generation agencies based in Poland

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B2B lead generation agencies based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarsawLargest hub · 24 HQs

19Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

B2B lead generation agencies by metro

Metro	Companies
B2B lead generation agencies in Warsaw	24
B2B lead generation agencies in Warszawa	14
B2B lead generation agencies in Wroclaw	12
B2B lead generation agencies in Krakow	11
B2B lead generation agencies in Poznan	9
B2B lead generation agencies in Gdansk	3
B2B lead generation agencies in Lodz	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 “B2B lead generation agencies”, 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 lead generation agencies are there based in Poland?

There are 107 B2B lead generation agencies 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 agencies?

Warsaw leads with 24 headquartered companies, followed by Warszawa (14) and Wroclaw (12).

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 120 verified decision-maker contacts tracked across these 107 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.