Company lists · Data verified August 2026

Top 25 Accounting services outsourcing companies based in Poland

Name: Accounting services 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 649 companies tracked

There are 649 accounting services outsourcing companies headquartered in Poland (RevenueBase, August 2026). RevenueBase tracks 2,446 professional contacts across them, including 551 with verified work emails and 58 with mobile numbers. Warszawa is the largest hub.

This list covers accounting services 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.

649Companies

2,446Contacts tracked

551Verified emails

58Mobile numbers

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The 25 largest accounting services outsourcing companies based in Poland

Ranked by team size

Top 25 of 649 accounting services 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	Sterling	n/a	1,001-5,000	193	39
2	RSM Poland	Poznan Wielkopolska	201-500	190	131
3	MAC Auditor Sp. Z O.O	Warszawa	51-200	70	43
4	Baker Tilly TPA	Warszawa	201-500	44	31
5	ATA Finance	Katowice	51-200	40	18
6	Nexia PRO Audit	Krakow	51-200	38	25
7	Taxcoach Polska	Konin	51-200	37	19
8	Centrum Rachunkowości Zarządczej Ekkom Sp. Z O.O	Wroclaw	51-200	37	1
9	Kpfk DR Piotr Rojek, Member Of JPA International	Warsaw	51-200	20	6
10	Biuro Rachunkowe Podatnik P&k Cieszkowscy	Krakow	11-50	14	6
11	Arkuda Sp. Z O.O	Warszawa	11-50	13	8
12	Starlit Accounting Sp. Z O.O	Wroclaw	11-50	13	6
13	Biuro Rachunkowe Piasecki Gągała	Warszawa	11-50	12	8
14	Audytorium Biegli Rewidenci Grabowski, Pigoń Sp. P	Gdansk	11-50	10	5
15	ML Księgowość P.S.A	n/a	11-50	10	2
16	Biuro Rachunkowe SRW	Mikolow	51-200	9	3
17	Auditors Górka & Szulc	Krakow	11-50	7	5
18	MKG Consulting Sp. Z O.O	Torun	11-50	6	5
19	Finance Expert	Wroclaw	11-50	6	1
20	Omnifin	Wroclaw	11-50	5	3
21	EDF TAX	Warszawa	11-50	5	2
22	BDE Outsourcing	Warszawa	11-50	4	2
23	FK Partner Sp. Z O.O	Warsaw	51-200	3	2
24	Linktax	Krakow	11-50	3	1
25	Ozog Financial Services Sp. Z O.O	Warszawa	11-50	2	1

Showing 25 of 649 accounting services outsourcing companies based in Poland

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Accounting services outsourcing companies based in Poland at a glance

As of Aug 28, 2026

1-10Median size (employees)

WarszawaLargest hub · 102 HQs

58Contacts with mobile numbers

7Emails re-verified in last 30 days

Companies by employee count

1-10

444

11-50

155

51-200

201-500

1,001-5,000

Accounting services outsourcing companies by metro

Metro	Companies
Accounting services outsourcing companies in Warszawa	102
Accounting services outsourcing companies in Wroclaw	41
Accounting services outsourcing companies in Krakow	41
Accounting services outsourcing companies in Poznan	31
Accounting services outsourcing companies in Lodz	23
Accounting services outsourcing companies in Warsaw	22
Accounting services outsourcing companies in Katowice	20

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 “accounting services 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; 7 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 accounting services outsourcing companies are there based in Poland?

There are 649 accounting services outsourcing companies headquartered in Poland as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most accounting services outsourcing companies?

Warszawa leads with 102 headquartered companies, followed by Wroclaw (41) and Krakow (41).

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 551 verified decision-maker contacts tracked across these 649 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.