Company lists · Data verified August 2026

Top 9 Constitutional law firms based in Austria

Name: Constitutional law firms based in Austria
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 27 companies tracked

There are 27 constitutional law firms headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 75 professional contacts across them, including 20 with verified work emails and 1 with mobile numbers. Wien is the largest hub.

This list covers constitutional law 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.

27Companies

75Contacts tracked

20Verified emails

1Mobile numbers

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The 9 largest constitutional law firms based in Austria

Ranked by team size

Top 9 of 27 constitutional law firms based in 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	Singer Fössl Rechtsanwälte OG	Wien	11-50	10	5
2	Eisenberger Rechtsanwälte	Graz	11-50	9	6
3	Flatz Rechtsanwaltskanzlei	Wien	1-10	7	1
4	KPK Rechtsanwälte	Graz	1-10	5	2
5	Wagner Virtbauer Rechtsanwälte Gmbh	Scharding	1-10	4	1
6	Presl Rechtsanwalt Gmbh	Fugen	1-10	2	2
7	Sttb Rechtsanwälte	Altmunster	11-50	2	1
8	Schmid & Horn Rechtsanwälte Gmbh	Graz	11-50	1	1
9	KWC Rechtsanwälte Attorneys At LAW	n/a	1-10	1	1

Showing 9 of 27 constitutional law firms based in Austria

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 20 reachable decision-makers.

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Constitutional law firms based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 10 HQs

1Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

Constitutional law firms by metro

Metro	Companies
Constitutional law firms in Wien	10
Constitutional law firms in Graz	5
Constitutional law firms in Vienna	2
Constitutional law firms in Bruck An Der Leitha	1
Constitutional law firms in Scharding	1
Constitutional law firms in Villach	1
Constitutional law firms in Salzburg	1

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 “constitutional law 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; 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 constitutional law firms are there based in Austria?

There are 27 constitutional law firms headquartered in Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

Singer Fössl Rechtsanwälte OG, headquartered in Wien, tops this list with the largest team on record.

Which city has the most constitutional law firms?

Wien leads with 10 headquartered companies, followed by Graz (5) and Vienna (2).

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 20 verified decision-maker contacts tracked across these 27 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.