Company lists · Data refreshed September 2026

Top 25 Big 4 audit firms based in Poland

RevenueBase identified 136 company matches for big 4 audit firms associated with Poland as of September 2026 and tracks 8,173 professional contacts across them, including 2,103 with verified work emails. Warsaw is the largest hub.

This list covers company matches for big 4 audit firms 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 21, 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 21, 2026 How this list was built
136Companies
8,173Contacts tracked
2,103Verified emails
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The 25 largest big 4 audit firms based in Poland

Ranked by team size
Top 25 of 136 company matches for big 4 audit firms based in Poland, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 21, 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 21, 2026 · View company records in RevenueBase
2Exact matchWarsaw, PolandHQ recorded Sep 21, 2026201-500407 contacts →

Exact match

“We are a leading Polish consulting firm committed to helping businesses make informed decisions.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchWarsaw, PolandHQ recorded Sep 21, 20265,001-10,000404 contacts →

Exact match

“EY jest światowym liderem rynku usług profesjonalnych obejmujących usługi audytorskie, doradztwo podatkowe, doradztwo biznesowe oraz doradztwo strategiczne i transakcyjne.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchPoznań, PolandHQ recorded Sep 21, 2026201-500242 contacts →

Exact match

“TPA is the leading international consultancy group rendering comprehensive business advisory services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchPoznań, PolandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
6Exact matchPolandHQ recorded Sep 21, 2026501-1,000193 contacts →

Exact match

“As attorneys, tax advisers, management and IT consultants and auditors, we are present with 110 own offices in around 50 countries.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchWarsaw, PolandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
8Exact matchKatowice, PolandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
9Exact matchŁódź, PolandHQ recorded Sep 21, 202651-20076 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchWarsaw, PolandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
11Exact matchWarsaw, PolandHQ recorded Sep 21, 2026201-50044 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchWarsaw, PolandHQ recorded Sep 21, 202611-5040 contacts →

Exact match

“CSWP Audit | Tax | Advisory is a dynamically growing group of consulting firms, part of Geneva Group International network.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchWarsaw, PolandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
14Exact matchKraków, PolandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
15Exact matchPoznań, PolandHQ recorded Sep 21, 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 21, 2026 · View company records in RevenueBase
16Exact matchWarsaw, PolandHQ recorded Sep 21, 202651-20028 contacts →

Exact match

“Witamy Cię w gronie niezależnych księgowych, audytorów, doradców podatkowych i konsultantów biznesowych, zrzeszonych w sieci Russell Bedford International.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchKatowice, PolandHQ recorded Sep 21, 202651-20020 contacts →

Exact match

“Profesjonalizm buduje zaufanie.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchWarsaw, PolandHQ recorded Sep 21, 202611-5017 contacts →

Exact match

“HLB M2 Tax & Audit is a dynamic mid-tier financial services company focused on providing professional services in the fields of assurance, accountancy, tax advisory, and corporate…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchWarsaw, PolandHQ recorded Sep 21, 202651-20015 contacts →

Exact match

“SSW is a leading firm with a singular focus – business of our clients.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchWarsaw, PolandHQ recorded Sep 21, 202611-5015 contacts →

Exact match

“Misters Audytor Adviser Sp.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchKatowice, PolandHQ recorded Sep 21, 202651-20014 contacts →

Exact match

“BTLA is a consulting company that helps mid-size and large enterprises to optimize their business.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchWrocław, PolandHQ recorded Sep 21, 202611-5012 contacts →

Exact match

“Zespół "QUATRO" sp.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchWarsaw, PolandHQ recorded Sep 21, 2026201-50011 contacts →

Exact match

“Mazars jest międzynarodową, zintegrowaną i niezależną firmą specjalizującą się w audycie, usługach księgowych, doradztwie podatkowym, prawnym i usługach doradczych.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchKraków, PolandHQ recorded Sep 21, 202611-5011 contacts →

Exact match

“A.M.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchGdańsk, PolandHQ recorded Sep 21, 202611-5010 contacts →

Exact match

“Dzięki naszemu zespołowi składającemu się ze specjalistów z różnych dziedzin od ponad dekady swoją wiedzą i doświadczeniem wspieramy cele biznesowe naszych Klientów.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 136 big 4 audit firms based in Poland

See the full list, filter by size, metro and specialty, and access 2,103 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Big 4 audit firms based in Poland at a glance

As of Sep 21, 2026
25.7%Verified-email coverage
60.1Average contacts per company
11-50Median size (employees)
33.1%Largest-city concentration · Warsaw
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
66
11-50
40
51-200
16
201-500
7
501-1,000
2
1,001-5,000
1
5,001-10,000
2

Email recency for this list is measured worldwide rather than for Poland, so it is reported there. Company counts and contact totals on this page are exact for Poland, over 136 companies.

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 “big 4 audit firms” 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 2,103 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 21, 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.

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 “big 4 audit firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big 4 audit firms are there based in Poland?

RevenueBase identified 136 company matches for big 4 audit firms 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 big 4 audit firms?

Warsaw leads with 45 company records, followed by Katowice (12) and Krakow (10).

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 2,103 professional contacts with verified work emails tracked across these 136 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 21, 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.