Company lists · Data verified August 2026

Top 25 Construction consulting firms based in Austria

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 291 companies tracked

There are 291 construction consulting firms headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 1,749 professional contacts across them, including 715 with verified work emails and 29 with mobile numbers. Wien is the largest hub.

This list covers construction consulting 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.

291Companies

1,749Contacts tracked

715Verified emails

29Mobile numbers

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The 25 largest construction consulting firms based in Austria

Ranked by team size

Top 25 of 291 construction consulting 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	Gruner Stucky LTD	n/a	1,001-5,000	285	135
2	IKK Group Gmbh	Graz	51-200	105	55
3	Bauunternehmung Granit Gesellschaft M.B.H	Graz	1,001-5,000	64	30
4	Werner Consult	Salzburg	51-200	61	34
5	Thomas Lorenz ZT Gmbh	Graz	51-200	34	24
6	DI Markus Weiner Ziviltechniker Gmbh	Wien	11-50	25	18
7	Neumayer Projektmanagement Gmbh	Wien	11-50	23	11
8	Laabmayr ZT Gmbh	Salzburg	51-200	19	14
9	CCE Ziviltechniker Gmbh	Wolfsberg	51-200	19	9
10	Woschitz Group	Eisenstadt	51-200	19	2
11	Convex ZT Gmbh	Graz	11-50	18	12
12	Ingenos ZT Gmbh	Gleisdorf	11-50	18	10
13	Axis Ingenieurleistungen ZT Gmbh	Wien	51-200	17	6
14	Kastner Civil Engineering	Klagenfurt Am Worthersee	51-200	16	13
15	Wallner & Schemitsch Ingenieure Gmbh	n/a	51-200	16	11
16	Werkraum Ingenieure ZT Gmbh & CO KG	Wien	11-50	14	11
17	Pongratz BAU Gesellschaft M.B.H	Graz	201-500	14	6
18	Sterkl, Schörkhuber & Partner Ziviltechniker Gmbh	Leonding	11-50	12	7
19	Arkform ZT Gmbh	Linz	11-50	11	8
20	Stern & Hafferl BAU	Gmunden	51-200	11	5
21	Ferrolog Gmbh	Grossweikersdorf	11-50	11	1
22	Toms ZT Gmbh	Wien	11-50	8	5
23	Herbitschek Bau-Gmbh	Ratten	51-200	8	2
24	Potyka & Partner ZT Gmbh	Wien	11-50	7	5
25	Hans Lechner ZT E.U	Wien	11-50	7	5

Showing 25 of 291 construction consulting firms based in Austria

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Construction consulting firms based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 53 HQs

29Contacts with mobile numbers

5Emails re-verified in last 30 days

Companies by employee count

1-10

176

11-50

51-200

201-500

1,001-5,000

Construction consulting firms by metro

Metro	Companies
Construction consulting firms in Wien	53
Construction consulting firms in Graz	26
Construction consulting firms in Vienna	18
Construction consulting firms in Salzburg	12
Construction consulting firms in Innsbruck	11
Construction consulting firms in Linz	10
Construction consulting firms in Feldkirch	4

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 “construction consulting 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; 5 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 construction consulting firms are there based in Austria?

There are 291 construction consulting firms headquartered in Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

Gruner Stucky LTD, headquartered in Austria, tops this list with the largest team on record.

Which city has the most construction consulting firms?

Wien leads with 53 headquartered companies, followed by Graz (26) and Vienna (18).

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 715 verified decision-maker contacts tracked across these 291 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.