Company lists · Data refreshed September 2026

Top 17 Financial statement preparation outsourcing companies based in Poland

RevenueBase identified 144 financial statement preparation outsourcing companies headquartered in Poland as of September 2026 and tracks 387 professional contacts across them, including 73 with verified work emails. Warszawa is the largest hub.

This list covers financial statement preparation outsourcing companies headquartered in 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 28, 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 28, 2026 86% judged on-target in blind review
144Companies
387Contacts tracked
73Verified emails
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The 17 largest financial statement preparation outsourcing companies based in Poland

Ranked by team size
Top 17 of 144 financial statement preparation outsourcing companies based in Poland, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to financial statement preparation outsourcing companies: 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
1Partial evidenceWarszawa, PolandHQ checked Sep 28, 202651-20069 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
2Indirect evidenceMikołów, PolandHQ checked Sep 28, 202651-2009 contacts →

Indirect evidence

“Rosnący rynek i dynamiczny rozwój przedsiębiorstw sprawiają, że korzystanie z usług specjalistów staje się koniecznością dla wielu podmiotów gospodarczych.”

Source: RevenueBase Database · checked Sep 28, 2026
3Indirect evidenceBiałystok, PolandHQ checked Sep 28, 20261-106 contacts →

Indirect evidence

“We are a modern accounting firm that brings traditional accounting into the online world, offering comprehensive services for sole proprietorships (JDG), limited liability…”

Source: RevenueBase Database · checked Sep 28, 2026
4Indirect evidenceJelenia Góra, PolandHQ checked Sep 28, 202611-505 contacts →

Indirect evidence

“Sophisticated and developed firms and corporations employ their finance staff to provide work in a variety of specialties.”

Source: RevenueBase Database · checked Sep 28, 2026
5Indirect evidenceWarsaw, PolandHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 28, 2026
6Indirect evidenceWarszawa, PolandHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
7Indirect evidenceŁódź, PolandHQ checked Sep 28, 20261-105 contacts →

Indirect evidence

“Jesteśmy zespołem skutecznych i doświadczonych praktyków.”

Source: RevenueBase Database · checked Sep 28, 2026
8Partial evidenceBiałystok, PolandHQ checked Sep 28, 20261-105 contacts →

Partial evidence

“Audyt Księgowość Podatki Kontroling Badanie sprawozdań finansowych, przekształcenia, Przeglądy ksiąg rachunkowych, Outsourcing Księgowości, Outsourcing kontrolingu, Zewnętrzny…”

Source: RevenueBase Database · checked Sep 28, 2026
9Indirect evidenceLegionowo, PolandHQ checked Sep 28, 20261-104 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
10Indirect evidencePolandHQ checked Sep 28, 20261-104 contacts →

Indirect evidence

“Jesteśmy kilkunastoosobowym, ambitnym zespołem, który nie boi się wyzwań.”

Source: RevenueBase Database · checked Sep 28, 2026
11Indirect evidenceWarszawa, PolandHQ checked Sep 28, 20261-103 contacts →

Indirect evidence

“Prime Number to nowy podmiot, który wyrósł z 30 letniego doświadczenia rodzinnej firmy audytorsko-księgowej.”

Source: RevenueBase Database · checked Sep 28, 2026
12Indirect evidenceKraków, PolandHQ checked Sep 28, 20261-103 contacts →

Indirect evidence

“Zajmujemy się prowadzeniem ksiąg przychodów i rozchodów, ksiąg handlowych, a także obsługą kadrowo-płacową, doradztwem i budowaniem długoterminowych strategii finansowych oraz…”

Source: RevenueBase Database · checked Sep 28, 2026
13Indirect evidenceKraków, PolandHQ checked Sep 28, 202611-503 contacts →

Indirect evidence

“Księgowość, która rozumie Twój biznes.”

Source: RevenueBase Database · checked Sep 28, 2026
14Indirect evidenceWarszawa, PolandHQ checked Sep 28, 20261-102 contacts →

Indirect evidence

“Jesteśmy firmą księgową.”

Source: RevenueBase Database · checked Sep 28, 2026
15Indirect evidenceŁódź, PolandHQ checked Sep 28, 202611-501 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
16Indirect evidenceWarszawa, PolandHQ checked Sep 28, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 28, 2026
17Indirect evidencePolandHQ checked Sep 28, 20261-101 contacts →

Indirect evidence

“Biuro Rachunkowe, Agencja Konsultingowa”

Source: RevenueBase Database · checked Sep 28, 2026

Showing 17 of 144 financial statement preparation outsourcing companies based in Poland

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Financial statement preparation outsourcing companies based in Poland at a glance

As of Sep 28, 2026
18.9%Verified-email coverage
2.7Average contacts per company
1-10Median size (employees)
16.7%Largest-city concentration · Warszawa
Sep 28, 2026Page data refreshed

Companies by employee count

1-10
118
11-50
18
51-200
4

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 144 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 financial statement preparation outsourcing companies, 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 Poland whose own description of what they do matches “financial statement preparation outsourcing companies”. 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 financial statement preparation outsourcing companies), 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 financial statement preparation outsourcing companies, and records with no verified work email. Companies headquartered outside Poland 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, 73 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 28, 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.

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 financial statement preparation outsourcing companies, 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 financial statement preparation outsourcing companies are there based in Poland?

RevenueBase identified 144 financial statement preparation outsourcing companies headquartered in 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?

MAC Auditor Sp. Z O.O, headquartered in Warszawa, tops this list with the largest team on record.

Which city has the most financial statement preparation outsourcing companies?

Warszawa leads with 24 headquartered companies, followed by Krakow (10) and Wroclaw (8).

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 73 verified decision-maker contacts tracked across these 144 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 28, 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.