Company lists · Data verified August 2026
Top 25 Accounting firms based in Koln, Germany
There are 71 accounting firms headquartered in Koln, Germany (RevenueBase, August 2026). RevenueBase tracks 443 professional contacts across them, including 156 with verified work emails and 3 with mobile numbers. Berlin is the largest hub.
This list covers accounting firms headquartered in Koln, Germany, 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 25 largest accounting firms based in Koln, Germany
Ranked by team size
Showing 25 of 71 accounting firms based in Koln, Germany
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Accounting firms based in Koln, Germany at a glance
As of Aug 28, 2026Companies by employee count
Accounting firms by metro in Germany
| Metro | Companies |
|---|---|
| Accounting firms in Berlin | 135 |
| Accounting firms in Hamburg | 131 |
| Accounting firms in Munchen | 97 |
| Accounting firms in Koln | 71 |
| Accounting firms in Dusseldorf | 60 |
| Accounting firms in Stuttgart | 36 |
| Accounting firms in Dresden | 33 |
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 Koln, Germany.
- 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; 1 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 Koln, Germany?
There are 71 accounting firms headquartered in Koln, Germany as of August 2026 (RevenueBase).
What is the largest company on this list?
Ypsilon Group, headquartered in Koln, tops this list with the largest team on record.
Which city has the most accounting firms?
Berlin leads with 135 headquartered companies, followed by Hamburg (131) and Munchen (97).
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 156 verified decision-maker contacts tracked across these 71 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.