Company lists · Data verified August 2026

Top 25 Accounting firms based in Wien, Austria

Name: Accounting firms based in Wien, Austria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 80 companies tracked

There are 80 accounting firms headquartered in Wien, Austria (RevenueBase, August 2026). RevenueBase tracks 1,530 professional contacts across them, including 210 with verified work emails and 8 with mobile numbers. Wien is the largest hub.

This list covers accounting firms headquartered in Wien, 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.

80Companies

1,530Contacts tracked

210Verified emails

8Mobile numbers

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The 25 largest accounting firms based in Wien, Austria

Ranked by team size

Top 25 of 80 accounting firms based in Wien, Austria, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Lohr Company Gmbh Wirtschaftsprüfungsgesellschaft	Wien	51-200	41	25
2	RTG Steuerberatung UND Wirtschaftsprüfung	Wien	51-200	27	16
3	Hübner & Hübner Wirtschaftsprüfung UND Steuerberatung Gmbh & CO KG	Wien	51-200	23	16
4	HLB Prüf-Treuhand TAX And Audit	Wien	11-50	22	10
5	HHP Steuerberatung Gmbh	Wien	11-50	21	15
6	Halpern & Prinz Wirtschaftsprüfungs- UND Steuerberatungsges.M.B.H	Wien	11-50	20	12
7	DIE Wirtschaftstreuhänder	Wien	11-50	19	11
8	APP Steuerberatung Gmbh - Vienna	Wien	11-50	17	4
9	Multicont Wirtschaftsprüfung UND Steuerberatung Gmbh	Wien	11-50	14	8
10	Jost AG	Wien	11-50	14	7
11	Headway TAX Advisory	Wien	11-50	14	7
12	NWT Wirtschaftsprüfung & Steuerberatung Gmbh	Wien	11-50	12	10
13	Auditreu Steuerberatungsgesellschaft M.B.H	Wien	51-200	11	5
14	Trust Treuhand- UND Steuerberatung	Wien	11-50	11	5
15	Virteos Vanas & Partner Steuerberatungsgesellschaft MBH	Wien	11-50	10	6
16	Intercura Treuhand- U Revisionsgesmbh	Wien	51-200	10	5
17	Confida	Wien	11-50	9	2
18	PFK Partner Gmbh & CO KG	Wien	11-50	6	5
19	AGL Wirtschaftstreuhand UND Steuerberatung	Wien	1-10	6	3
20	CST Causa Steuer- UND Unternehmensberatung	Wien	11-50	6	2
21	WTH Mares, Bartos & Partner Steuerberatung KG	Wien	11-50	6	1
22	Vienna Citytax Steuerberater Gmbh	Wien	11-50	5	4
23	Steuerexperten.At Steuerberatungsgmbh	Wien	1-10	5	3
24	Baldinger UND Partner Unternehmens- UND Steuerberatung Gmbh	Wien	51-200	5	2
25	Schabetsberger Steuerberatung Gmbh	Wien	11-50	5	2

Showing 25 of 80 accounting firms based in Wien, Austria

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Accounting firms based in Wien, Austria at a glance

As of Aug 28, 2026

11-50Median size (employees)

WienLargest hub · 80 HQs

8Contacts with mobile numbers

3Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

1,001-5,000

Accounting firms by metro in Austria

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 Wien, 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; 3 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 Wien, Austria?

There are 80 accounting firms headquartered in Wien, Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

Lohr Company Gmbh Wirtschaftsprüfungsgesellschaft, headquartered in Wien, 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 210 verified decision-maker contacts tracked across these 80 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.