Company lists · Data verified August 2026

Top 24 Back office outsourcing companies based in Poland

Name: Back office outsourcing companies based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 77 companies tracked

There are 77 back office outsourcing companies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 1,604 professional contacts across them, including 328 with verified work emails and 15 with mobile numbers. Warszawa is the largest hub.

This list covers back office outsourcing 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.

77Companies

1,604Contacts tracked

328Verified emails

15Mobile numbers

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The 24 largest back office outsourcing companies based in Poland

Ranked by team size

Top 24 of 77 back office outsourcing 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	Everhelp	Warsaw	1,001-5,000	237	3
2	Sterling	n/a	1,001-5,000	193	39
3	Impel Business Solutions	Wroclaw	201-500	191	78
4	Call Center Poland	Warsaw	501-1,000	161	4
5	Archidoc SA	Chorzow	501-1,000	158	40
6	CSP Customer Services Polska	Szczecin	201-500	112	49
7	BPO Nextdoor	Rzeszow	201-500	95	40
8	IT Solution	Warsaw	11-50	42	5
9	Itelence	Warszawa	51-200	36	23
10	Call Center Dynamic Sales Ccds	Zielona Gora	51-200	21	2
11	Banach Outsourcing Sp. Z O.O	Poznan	11-50	20	10
12	DSA Sp. Z O.O	Warszawa	201-500	19	2
13	Tresconnect	Poznan	11-50	15	8
14	Smart People	Gdynia	1-10	12	3
15	Logistel Servicios Internacionales	Sulejowek	11-50	8	2
16	4optima Poland	Lomianki	11-50	6	4
17	SMR Solutions	Warszawa	11-50	6	2
18	E-Delegate	Bydgoszcz	11-50	6	1
19	Premium Management S.A	Gdynia	11-50	6	1
20	Mh-Info	Rzeszow	11-50	5	5
21	BDE Outsourcing	Warszawa	11-50	4	2
22	Vassistance	Katowice	1-10	3	1
23	Automaize	Gdansk	1-10	1	1
24	Mandroya Group Sp. Z O.O	Warsaw	1-10	1	1

Showing 24 of 77 back office outsourcing companies based in Poland

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Back office outsourcing companies based in Poland at a glance

As of Aug 28, 2026

11-50Median size (employees)

WarszawaLargest hub · 17 HQs

15Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

Back office outsourcing companies by metro

Metro	Companies
Back office outsourcing companies in Warszawa	17
Back office outsourcing companies in Warsaw	9
Back office outsourcing companies in Poznan	4
Back office outsourcing companies in Gdynia	4
Back office outsourcing companies in Lodz	4
Back office outsourcing companies in Gdansk	3
Back office outsourcing companies in Katowice	3
Back office outsourcing companies in Szczecin	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 “back office outsourcing 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 back office outsourcing companies are there based in Poland?

There are 77 back office outsourcing companies headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Everhelp, headquartered in Warsaw, tops this list with the largest team on record.

Which city has the most back office outsourcing companies?

Warszawa leads with 17 headquartered companies, followed by Warsaw (9) and Poznan (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 328 verified decision-maker contacts tracked across these 77 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.