Company lists · Data verified August 2026

Top 14 Outsourced sdr companies based in Poland

Name: Outsourced sdr companies based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 43 companies tracked

There are 43 outsourced sdr companies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 243 professional contacts across them, including 40 with verified work emails and 5 with mobile numbers. Poznan is the largest hub.

This list covers outsourced sdr 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.

43Companies

243Contacts tracked

40Verified emails

5Mobile numbers

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The 14 largest outsourced sdr companies based in Poland

Ranked by team size

Top 14 of 43 outsourced sdr 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	Instream Group	Poznan	11-50	63	12
2	Sales Agency	Wroclaw	11-50	21	6
3	Growth Effekt	Wroclaw	11-50	17	5
4	Hotlead.Pl	Poznan	11-50	8	1
5	Open Rate	Poznan	1-10	7	4
6	Leadpack	n/a	1-10	6	2
7	Connectpro	Warszawa	11-50	6	1
8	Call4you Sp.Z.O.O	Nowy Sacz	11-50	5	2
9	Vanderbuild	Warsaw	1-10	5	2
10	Architecture Of Sales	Gdansk	1-10	5	1
11	Lead GEN B2B Sellstorm	Katowice	1-10	4	1
12	Leadhub	n/a	1-10	4	1
13	Growify	Wroclaw	1-10	2	1
14	Getsales	Poznan	11-50	1	1

Showing 14 of 43 outsourced sdr companies based in Poland

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Outsourced sdr companies based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

PoznanLargest hub · 8 HQs

5Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Outsourced sdr companies by metro

Metro	Companies
Outsourced sdr companies in Poznan	8
Outsourced sdr companies in Warsaw	7
Outsourced sdr companies in Warszawa	5
Outsourced sdr companies in Wroclaw	4
Outsourced sdr companies in Gdansk	2
Outsourced sdr companies in Krakow	2
Outsourced sdr companies in Lodz	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 “outsourced sdr 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; 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 outsourced sdr companies are there based in Poland?

There are 43 outsourced sdr companies headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Instream Group, headquartered in Poznan, tops this list with the largest team on record.

Which city has the most outsourced sdr companies?

Poznan leads with 8 headquartered companies, followed by Warsaw (7) and Warszawa (5).

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 40 verified decision-maker contacts tracked across these 43 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.