Company lists · Data verified August 2026

Top 25 Climate consulting firms based in Austria

Name: Climate 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 96 companies tracked

There are 96 climate consulting firms headquartered in Austria (RevenueBase, August 2026). RevenueBase tracks 1,160 professional contacts across them, including 523 with verified work emails and 23 with mobile numbers. Wien is the largest hub.

This list covers climate 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.

96Companies

1,160Contacts tracked

523Verified emails

23Mobile numbers

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The 25 largest climate consulting firms based in Austria

Ranked by team size

Top 25 of 96 climate 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	ILF Consulting Engineers In Austria	Raaba	501-1,000	265	158
2	Myclimate	Wien	51-200	163	86
3	Kommunalkredit Public Consulting Gmbh	Wien	51-200	103	41
4	Terra Institute	Innsbruck	51-200	53	30
5	CES Clean Energy Solutions	Vienna	11-50	47	29
6	Allplan Gmbh	St. Polten	51-200	38	23
7	E7 Energy Innovation & Engineering	n/a	11-50	20	17
8	ESW Consulting Wruss Ziviltechnikergesellschaft MBH	Wien	11-50	16	5
9	Kontext Institut	Wien	11-50	16	4
10	Sattler Energie Consulting	Gmunden	11-50	15	4
11	DIE Umweltberatung	Vienna	11-50	14	8
12	Pulswerk Gmbh	Wien	11-50	13	8
13	GK Consulting Gmbh	Hagenberg Im Muhlkreis	11-50	12	9
14	Myssion Consulting Gmbh	Wien	11-50	11	6
15	Energy Changes	Vienna	1-10	9	6
16	Brainbows	Wien	11-50	9	5
17	Susform	Graz	1-10	8	7
18	Ecofides Consulting Gmbh	n/a	1-10	8	6
19	Pöchhacker Innovation Consulting Gmbh	Linz	11-50	8	4
20	Engineering Office Mitplan	Pinsdorf	1-10	8	4
21	Helioz Future Economy	Wien	11-50	8	2
22	Consiga & Partner Consulting Gmbh	Graz	11-50	7	5
23	Unfold Consulting Gmbh	Wien	1-10	7	5
24	Decision Advisory Group Gmbh	Wien	1-10	7	4
25	Payer & Partner ESG Consulting	Wartberg Ob Der Aist	1-10	6	5

Showing 25 of 96 climate consulting firms based in Austria

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Climate consulting firms based in Austria at a glance

As of Aug 28, 2026

1-10Median size (employees)

WienLargest hub · 22 HQs

23Contacts with mobile numbers

2Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

501-1,000

Climate consulting firms by metro

Metro	Companies
Climate consulting firms in Wien	22
Climate consulting firms in Vienna	13
Climate consulting firms in Graz	7
Climate consulting firms in Innsbruck	4
Climate consulting firms in Leutasch	2
Climate consulting firms in St. Polten	2
Climate consulting firms in Linz	2

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 “climate 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; 2 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 climate consulting firms are there based in Austria?

There are 96 climate consulting firms headquartered in Austria as of August 2026 (RevenueBase).

What is the largest company on this list?

ILF Consulting Engineers In Austria, headquartered in Raaba, tops this list with the largest team on record.

Which city has the most climate consulting firms?

Wien leads with 22 headquartered companies, followed by Vienna (13) and Graz (7).

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 523 verified decision-maker contacts tracked across these 96 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.