Company lists · Data refreshed September 2026

Top 18 Tax services accounting firms based in Warsaw, Poland

RevenueBase identified 46 tax services accounting firms headquartered in Warsaw, Poland as of September 2026 and tracks 844 professional contacts across them, including 297 with verified work emails. Warszawa is the largest hub.

This list covers tax services accounting firms headquartered in Warsaw, Poland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 6, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 6, 2026 86% judged on-target in blind review
46Companies
844Contacts tracked
297Verified emails
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The 18 largest tax services accounting firms based in Warsaw, Poland

Ranked by team size
Top 18 of 46 tax services accounting firms based in Warsaw, Poland, ranked by team size, largest first. Data refreshed Sep 6, 2026. RevenueBase Smart Search rates how each company's information relates to tax services accounting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Strong evidenceWarsaw, PolandHQ checked Sep 6, 2026201-500161 contacts →

“KR Group is a Polish, fast-growing accounting and tax advisory group with an international reach.”

Source: company website · checked Sep 6, 2026
2Indirect evidenceWarsaw, PolandHQ checked Sep 6, 202651-200146 contacts →

“ALTO is one of the fastest growing advisory firms in Poland.”

Source: company website · checked Sep 6, 2026
3Indirect evidenceWarsaw, PolandHQ checked Sep 6, 2026201-500131 contacts →

“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…”

Source: company website · checked Sep 6, 2026
4Partial evidenceWarsaw, PolandHQ checked Sep 6, 202651-20050 contacts →

“We are a team of people focused on delivering to our clients consulting services in the area of Finance and Tax.”

Source: company website · checked Sep 6, 2026
5Partial evidenceWarsaw, PolandHQ checked Sep 6, 202611-5040 contacts →

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

Source: company website · checked Sep 6, 2026
6Partial evidenceWarsaw, PolandHQ checked Sep 6, 202611-5019 contacts →

“Innside Tax to miejsce, w którym opiekujemy się wszystkimi sprawami podatkowymi naszych Klientów.”

Source: company website · checked Sep 6, 2026
7Indirect evidenceWarsaw, PolandHQ checked Sep 6, 202611-5016 contacts →

“WZ Partners Group is a family-owned company founded on passion, dating back to 1992.”

Source: company website · checked Sep 6, 2026
8Indirect evidenceWarsaw, PolandHQ checked Sep 6, 202651-20015 contacts →

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

Source: company website · checked Sep 6, 2026
9Indirect evidenceWarsaw, PolandHQ checked Sep 6, 202651-20015 contacts →

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

Source: company website · checked Sep 6, 2026
10Indirect evidenceWarsaw, PolandHQ checked Sep 6, 202611-5010 contacts →

“Audyt finansowy, doradztwo księgowe, podatkowe i transakcyjne – praktyczne rozwiązania dla firmy BF Audyt to nowoczesna firma audytorska i doradcza, założona przez specjalistów…”

Source: company website · checked Sep 6, 2026
11Strong evidenceWarsaw, PolandHQ checked Sep 6, 202611-507 contacts →

“Badesta Accounting provides accounting and tax advisory services for demanding clients.”

Source: company website · checked Sep 6, 2026
12Indirect evidenceWarsaw, PolandHQ checked Sep 6, 20261-106 contacts →

“We are a dynamically growing company in the areas of: audit, valuations, transaction services and business consulting.”

Source: company website · checked Sep 6, 2026
13Partial evidenceWarsaw, PolandHQ checked Sep 6, 20261-105 contacts →

“Your future, our accounting Counthink to firma zajmująca się usługami z zakresu księgowości.”

Source: company website · checked Sep 6, 2026
14Indirect evidenceWarsaw, PolandHQ checked Sep 6, 2026201-5004 contacts →

“We are one of the largest audit and consulting companies in the country and one of the leading networks of auditors and consultants in the world.”

Source: company website · checked Sep 6, 2026
15Indirect evidenceWarsaw, PolandHQ checked Sep 6, 20261-103 contacts →

“Finnowacja to profesjonalne biuro rachunkowe w Warszawie, zatrudniające doświadczanych księgowych oraz finansistów, posiadających niezbędne uprawnienia i kwalifikacje do pełnienia…”

Source: company website · checked Sep 6, 2026
16Indirect evidenceWarsaw, PolandHQ checked Sep 6, 20261-102 contacts →

“Księgowość, kadry i płace”

Source: company website · checked Sep 6, 2026
17Indirect evidenceWarsaw, PolandHQ checked Sep 6, 20261-102 contacts →

“AKT Aktywna Księgowość to licencjonowane biuro rachunkowe (posiadamy Świadectwo Kwalifikacyjne Ministra Finansów Nr 9902/2005) Specjalizujemy się w obsłudze małych i średnich…”

Source: company website · checked Sep 6, 2026
18Indirect evidenceWarsaw, PolandHQ checked Sep 6, 20261-101 contacts →

“Najważniejszymi standardami naszej pracy jest profesjonalizm oraz bliska współpraca oparta na indywidualnych potrzebach naszych klientów.”

Source: company website · checked Sep 6, 2026

Showing 18 of 46 tax services accounting firms based in Warsaw, Poland

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Tax services accounting firms based in Warsaw, Poland at a glance

As of Sep 6, 2026
35.2%Verified-email coverage
18.3Average contacts per company
1-10Median size (employees)
332.6%Largest-city concentration · Warszawa
Sep 6, 2026Page data refreshed

Companies by employee count

1-10
24
11-50
11
51-200
7
201-500
3
501-1,000
1

Email recency for this list is measured across the whole Poland list rather than this city, so it is reported there. Company counts and contact totals on this page are exact for Warsaw, over 46 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among tax services accounting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Warsaw, Poland whose own description of what they do matches “tax services accounting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names tax services accounting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among tax services accounting firms, and records with no verified work email. Companies headquartered outside Warsaw are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 297 across the full list. 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 6, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Tax services accounting firms by metro in Poland

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names tax services accounting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many tax services accounting firms are there based in Warsaw, Poland?

RevenueBase identified 46 tax services accounting firms headquartered in Warsaw, Poland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

KR Group LTD, headquartered in Warsaw, tops this list with the largest team on record.

Which city has the most tax services accounting firms?

Warszawa leads with 153 headquartered companies, followed by Wroclaw (67) and Krakow (55).

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 297 verified decision-maker contacts tracked across these 46 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 6, 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 Smart Search, 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.