Company lists · Data refreshed September 2026

Top 25 Accounting firm business process outsourcing companies based in Poland

RevenueBase identified 852 company matches for accounting firm business process outsourcing companies associated with Poland as of September 2026 and tracks 5,743 professional contacts across them, including 1,933 with verified work emails and 84 with mobile numbers. Warsaw is the largest hub.

This list covers company matches for accounting firm business process outsourcing companies associated with Poland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built
852Companies
5,743Contacts tracked
1,933Verified emails
84Mobile numbers
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The 25 largest accounting firm business process outsourcing companies based in Poland

Ranked by team size
Top 25 of 852 company matches for accounting firm business process outsourcing companies based in Poland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWarsaw, PolandHQ recorded Sep 27, 20261,001-5,0001,696 contacts →

Exact match

“KPMG jest globalną organizacją niezależnych firm świadczących profesjonalne usługi z zakresu audytu, doradztwa podatkowego, finansowego, prawnego oraz consultingu.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchPoznań, PolandHQ recorded Sep 27, 2026201-500193 contacts →

Exact match

“RSM Poland to więcej niż biuro rachunkowe, kancelaria doradztwa podatkowego i firma audytorska – to przede wszystkim profesjonalni doradcy i zaufani partnerzy w biznesie.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchWrocław, PolandHQ recorded Sep 27, 2026201-500190 contacts →

Exact match

“Impel Business Solutions to doświadczony i wykwalifikowany dostawca wspierający biznes w zakresie usług back-office.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchKraków Old Town, PolandHQ recorded Sep 27, 20261,001-5,000186 contacts →

Exact match

“ℹ Sterling – The Missing Piece to Your Business Success Looking for seamless customer service, smarter credit management, or efficient debt recovery?”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchŁódź, PolandHQ recorded Sep 27, 2026201-500153 contacts →

Exact match

“Business Support Solution (BSS) to spółka należąca do Grupy Pelion, specjalizująca się we wsparciu organizacji w obszarach finansów, kadr i płac oraz obsługi procesów biznesowych.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchWarsaw, PolandHQ recorded Sep 27, 2026201-500131 contacts →

Exact match

“Moore Polska to 35 lat doświadczenia dwóch renomowanych firm audytorskich na polskim rynku – Moore Polska i Morison Finansista, którzy w 2021 roku połączyli swoje siły pod jedną…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchSzczecin, PolandHQ recorded Sep 27, 2026201-500111 contacts →

Exact match

“CSP Customer Services Polska sp.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchKatowice, PolandHQ recorded Sep 27, 202651-20097 contacts →

Exact match

“Od 27 lat ułatwiamy prowadzenie biznesu Czynimy biznes łatwiejszym, wspierając naszych Klientów w zakresie księgowości, usług audytorskich, doradztwa podatkowego, obsługi prawnej…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchŁódź, PolandHQ recorded Sep 27, 202651-20076 contacts →

Exact match

“Jesteśmy dynamicznie rozwijającą się Kancelarią Biegłych Rewidentów, założoną w 2010 roku.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchWarsaw, PolandHQ recorded Sep 27, 202651-20069 contacts →

Exact match

“Mac Auditor od 1994 roku świadczy na rzecz klientów biznesowych usługi z obszaru audytu, outsourcingu usług księgowych i kadrowo-płacowych oraz doradztwa.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchCzyżyny, PolandHQ recorded Sep 27, 202651-20060 contacts →

Exact match

“We entered the market in 2004, starting as a small, inconspicuous accounting office.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchWarsaw, PolandHQ recorded Sep 27, 2026201-50044 contacts →

Exact match

“Baker Tilly TPA świadczy kompleksowe usługi audytorskie oraz doradztwa biznesowego.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchWarsaw, PolandHQ recorded Sep 27, 202651-20040 contacts →

Exact match

“ATA Finance is a team of specialists, including - tax advisors- certified accountants, and - expert auditors.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchKraków, PolandHQ recorded Sep 27, 202651-20039 contacts →

Exact match

“Nexia Pro Audit od 2002 roku wspiera swoich Klientów w ich bezpiecznym rozwoju świadcząc usługi audytorskie, doradcze, księgowe oraz kadrowo-płacowe.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchPoznań, PolandHQ recorded Sep 27, 202651-20037 contacts →

Exact match

“TaxCoach powstał jako wspólny projekt Miłosza Baranowskiego i Krzysztofa Mrugalskiego w 2017 roku.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchWrocław, PolandHQ recorded Sep 27, 202651-20037 contacts →

Exact match

“Pomagamy firmom podejmować decyzje na podstawie danych, a nie intuicji.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchWarsaw, PolandHQ recorded Sep 27, 202611-5031 contacts →

Exact match

“Tworzymy zewnętrzny, pełnowymiarowy dział finansowy dostosowany do potrzeb Twojej firmy.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchPoznań, PolandHQ recorded Sep 27, 202651-20029 contacts →

Exact match

“Jóźwicki & Partners | Strategic Accounting & Business Growth Fundament finansowy dla dojrzałych spółek kapitałowych Od 22 lat wspieramy Zarządy spółek 20–100 mln+ PLN, zapewniając…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchPoznań, PolandHQ recorded Sep 27, 202611-5020 contacts →

Exact match

“Kompleksowe wsparcie firm w dynamicznym otoczeniu biznesowym.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchKatowice, PolandHQ recorded Sep 27, 202651-20020 contacts →

Exact match

“Profesjonalizm buduje zaufanie.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchWarsaw, PolandHQ recorded Sep 27, 202611-5019 contacts →

Exact match

“ARPI Accounting (ARPI & Partners Sp.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchWarsaw, PolandHQ recorded Sep 27, 2026201-50019 contacts →

Exact match

“Od ponad 20 lat dostarczamy szeroki zakres usług pośrednictwa finansowego i outsourcingu, wspierając firmy w ich codziennych wyzwaniach i celach.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchWarsaw, PolandHQ recorded Sep 27, 202611-5015 contacts →

Exact match

“Misters Audytor Adviser Sp.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchGrunwald Południe, PolandHQ recorded Sep 27, 202611-5015 contacts →

Exact match

“AKP Karpiński Rosa Sp.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchWarsaw, PolandHQ recorded Sep 27, 202651-20015 contacts →

Exact match

“ECDP Group is one of leading consulting firms in Poland present in the market for twelve years.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 852 accounting firm business process outsourcing companies based in Poland

See the full list, filter by size, metro and specialty, and access 1,933 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Accounting firm business process outsourcing companies based in Poland at a glance

As of Sep 27, 2026
33.7%Verified-email coverage
1.5%Mobile-number coverage
6.7Average contacts per company
1-10Median size (employees)
21.5%Largest-city concentration · Warsaw
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
567
11-50
217
51-200
35
201-500
12
501-1,000
1
1,001-5,000
2

Freshness & accuracy

How recently the business emails were verified and the company information checked

Email last verified

Median 29.0d

Company record updated

Median 90.0d

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Poland whose business descriptions match “accounting firm business process outsourcing companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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
Every displayed company carries at least one verified work email. RevenueBase tracks 1,933 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Accounting firm business process outsourcing companies by metro

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “accounting firm business process outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many accounting firm business process outsourcing companies are there based in Poland?

RevenueBase identified 852 company matches for accounting firm business process outsourcing companies associated with Poland as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Kpmg Poland tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most accounting firm business process outsourcing companies?

Warsaw leads with 183 company records, followed by Krakow (54) and Wroclaw (49).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 1,933 professional contacts with verified work emails tracked across these 852 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.