Company lists · Data verified August 2026

Top 24 Ecological consulting firms based in Austria

Name: Ecological 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 50 companies tracked

There are 50 ecological consulting firms headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 227 professional contacts across them, including 80 with verified work emails and 2 with mobile numbers. Wien is the largest hub.

This list covers ecological 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.

50Companies

227Contacts tracked

80Verified emails

2Mobile numbers

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The 24 largest ecological consulting firms based in Austria

Ranked by team size

Top 24 of 50 ecological 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	ESW Consulting Wruss Ziviltechnikergesellschaft MBH	Wien	11-50	16	5
2	RM Umweltkonsulenten ZT Gmbh	Veitglan	11-50	15	12
3	Pulswerk Gmbh	Wien	11-50	13	8
4	GK Consulting Gmbh	Hagenberg Im Muhlkreis	11-50	12	9
5	Freiland ZT	Graz	11-50	11	6
6	Pöchhacker Innovation Consulting Gmbh	Linz	11-50	8	4
7	Consiga & Partner Consulting Gmbh	Graz	11-50	7	5
8	Unfold Consulting Gmbh	Wien	1-10	7	5
9	PTM Energy	Kirchbichl	1-10	6	4
10	D&e Consulting	n/a	1-10	6	2
11	Daxner & Merl Gmbh	Wien	1-10	5	4
12	Kwantum Eco-Solutions	Schlierbach	1-10	5	3
13	Büro FÜR Nachhaltige Kompetenz B-Nk Gmbh	Wien	1-10	3	1
14	Sachverständigenbüro Peter Schabel Gmbh	Wien	1-10	2	2
15	Umweltbüro Schütz	Innsbruck	1-10	2	1
16	Holbold Consulting E.U	Vienna	1-10	2	1
17	Umblick Umweltmanagement E.U	Wiener Neustadt	1-10	2	1
18	DWS Hydro-Ökologie Gmbh	Wien	11-50	1	1
19	Ambientconsult	Bohlerwerk	1-10	1	1
20	Envotec	Pinkafeld	1-10	1	1
21	Blue Networks	n/a	1-10	1	1
22	Anthophila Zukunftsarchitektin	Vienna	1-10	1	1
23	Ellivo E.U	St. Polten	1-10	1	1
24	Hc-Heigl Consulting ZT Gmbh	Graz	1-10	1	1

Showing 24 of 50 ecological consulting firms based in Austria

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Ecological consulting firms based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 9 HQs

2Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

Ecological consulting firms by metro

Metro	Companies
Ecological consulting firms in Wien	9
Ecological consulting firms in Graz	5
Ecological consulting firms in Vienna	3
Ecological consulting firms in Klagenfurt	2
Ecological consulting firms in Pernegg	1
Ecological consulting firms in St. Polten	1
Ecological consulting firms in Wiener Neustadt	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 “ecological 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; 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 ecological consulting firms are there based in Austria?

There are 50 ecological consulting firms headquartered in Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

ESW Consulting Wruss Ziviltechnikergesellschaft MBH, headquartered in Wien, tops this list with the largest team on record.

Which city has the most ecological consulting firms?

Wien leads with 9 headquartered companies, followed by Graz (5) and Vienna (3).

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 80 verified decision-maker contacts tracked across these 50 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.