Company lists · Data verified August 2026
Top 10 Accounting firms based in Katowice, Poland
There are 33 accounting firms headquartered in Katowice, Poland (RevenueBase, August 2026). RevenueBase tracks 267 professional contacts across them, including 127 with verified work emails and 7 with mobile numbers. Warszawa is the largest hub.
This list covers accounting firms headquartered in Katowice, 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.
The 10 largest accounting firms based in Katowice, Poland
Ranked by team size| # | Company | Verified emails |
|---|---|---|
| 1 |  GLC | 53 |
| 2 |  ATA Finance | 18 |
| 3 |  Cswp Audit TAX Advisory Independent Member Of GGI | 28 |
| 4 |  HLB M2 TAX & Audit | 9 |
| 5 |  Torite Sp. Z O.O | 7 |
| 6 |  Primefields Sp. Z O.O | 6 |
| 7 |  Doradcy I Księgowi Sp. Z O.O | 2 |
| 8 |  Kancelaria Rachunkowa Misterkiewicz-Łaski | 2 |
| 9 | General Audyt Sp. Z O.O | 1 |
| 10 |  Biuro Księgowo Rachunkowe Edward Piechulek | 1 |
Showing 10 of 33 accounting firms based in Katowice, Poland
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Accounting firms based in Katowice, Poland at a glance
As of Aug 28, 2026Companies by employee count
Accounting firms by metro in Poland
| Metro | Companies |
|---|---|
| Accounting firms in Warszawa | 149 |
| Accounting firms in Wroclaw | 69 |
| Accounting firms in Poznan | 53 |
| Accounting firms in Krakow | 53 |
| Accounting firms in Lodz | 35 |
| Accounting firms in Katowice | 33 |
| Accounting firms in Warsaw | 28 |
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 firms”, with match quality audited by blind human judging, and headquartered in Katowice, 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; 0 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 firms are there based in Katowice, Poland?
There are 33 accounting firms headquartered in Katowice, Poland as of August 2026 (RevenueBase).
What is the largest company on this list?
GLC, headquartered in Katowice, tops this list with the largest team on record.
Which city has the most accounting firms?
Warszawa leads with 149 headquartered companies, followed by Wroclaw (69) and Poznan (53).
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 127 verified decision-maker contacts tracked across these 33 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.