Company lists · Data verified August 2026
Top 25 Accounting firms based in Austria
There are 351 accounting firms headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 3,914 professional contacts across them, including 1,223 with verified work emails and 34 with mobile numbers. Wien is the largest hub.
This list covers accounting firms headquartered in Austria, 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 Austria
Ranked by team size
Showing 25 of 351 accounting firms based in Austria
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Accounting firms based in Austria at a glance
As of Aug 28, 2026Companies by employee count
Accounting firms by metro
| Metro | Companies |
|---|---|
| Accounting firms in Wien | 80 |
| Accounting firms in Graz | 22 |
| Accounting firms in Innsbruck | 17 |
| Accounting firms in Linz | 14 |
| Accounting firms in Salzburg | 13 |
| Accounting firms in Vienna | 12 |
| Accounting firms in Klagenfurt | 7 |
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 Austria.
- 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; 12 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 Austria?
There are 351 accounting firms headquartered in Austria as of August 2026 (RevenueBase).
What is the largest company on this list?
BDO Austria, headquartered in Wolfsberg, tops this list with the largest team on record.
Which city has the most accounting firms?
Wien leads with 80 headquartered companies, followed by Graz (22) and Innsbruck (17).
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 1,223 verified decision-maker contacts tracked across these 351 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.