Company lists · Data verified August 2026

Top 18 Contract staffing firms based in Poland

Name: Contract staffing firms based in Poland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 356 companies tracked

There are 356 contract staffing firms headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 6,476 professional contacts across them, including 1,135 with verified work emails and 224 with mobile numbers. Warszawa is the largest hub.

This list covers contract staffing firms 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.

356Companies

6,476Contacts tracked

1,135Verified emails

224Mobile numbers

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The 18 largest contract staffing firms based in Poland

Ranked by team size

Top 18 of 356 contract staffing firms 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	Randstad Polska	Kielce	1,001-5,000	510	275
2	Contrain	Lodz	1,001-5,000	123	79
3	Fallwork Sp. Z O.O	Gdansk	1,001-5,000	53	1
4	NIDEN	Radom	n/a	48	8
5	Level ONE Uitzendbureau	Opole	1,001-5,000	45	20
6	STEAM	Czestochowa	501-1,000	42	13
7	Powerjobs Sp. Z O.O	Katowice	501-1,000	31	17
8	Smart Work Sp. Z O.O	Swidnica	1,001-5,000	25	7
9	Ideacomplex	Opole	501-1,000	22	4
10	Go4work Poland	Krakow	501-1,000	21	3
11	Agencja Zatrudnienia KS Service S.A	Lodz	1,001-5,000	20	7
12	Recrew HR Sp. Z O.O	Olsztyn	501-1,000	17	2
13	Threezones	Katowice Silesia	501-1,000	15	5
14	Mgsolutions Mgjj Sp. Z O.O. Sp.K	Krakow	501-1,000	11	3
15	Orienta Polska	Katowice	n/a	10	6
16	Workhouse4you Sp. Z O.O	Gdansk	501-1,000	9	3
17	4work	Wroclaw	501-1,000	6	4
18	Praca FKS Sp. Z O.O	Wroclaw	501-1,000	4	3

Showing 18 of 356 contract staffing firms based in Poland

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Contract staffing firms based in Poland at a glance

As of Aug 28, 2026

51-200Median size (employees)

WarszawaLargest hub · 51 HQs

224Contacts with mobile numbers

0Emails 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

5,001-10,000

Contract staffing firms by metro

Metro	Companies
Contract staffing firms in Warszawa	51
Contract staffing firms in Warsaw	33
Contract staffing firms in Wroclaw	30
Contract staffing firms in Poznan	21
Contract staffing firms in Krakow	20
Contract staffing firms in Katowice	17
Contract staffing firms in Gdansk	14

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 “contract staffing firms”, 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; 0 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 contract staffing firms are there based in Poland?

There are 356 contract staffing firms headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

Randstad Polska, headquartered in Kielce, tops this list with the largest team on record.

Which city has the most contract staffing firms?

Warszawa leads with 51 headquartered companies, followed by Warsaw (33) and Wroclaw (30).

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 1,135 verified decision-maker contacts tracked across these 356 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.