Company lists · Data refreshed September 2026

Top 25 Net zero consulting firms based in Austria

RevenueBase identified 42 net zero consulting firms headquartered in Austria as of September 2026 and tracks 318 professional contacts across them, including 97 with verified work emails and 8 with mobile numbers. Wien is the largest hub.

This list covers net zero consulting firms headquartered in Austria, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 5, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 5, 2026 86% judged on-target in blind review
42Companies
318Contacts tracked
97Verified emails
8Mobile numbers
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The 25 largest net zero consulting firms based in Austria

Ranked by team size
Top 25 of 42 net zero consulting firms based in Austria, ranked by team size, largest first. Data refreshed Sep 5, 2026. RevenueBase Smart Search rates how each company's information relates to net zero consulting firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceVienna, AustriaHQ checked Sep 5, 202611-5014 contacts →

Indirect evidence

“pulswerk ist das Beratungsunternehmen des Österreichischen Ökologie-Instituts.”

Source: RevenueBase Database · checked Sep 5, 2026
2Indirect evidenceSalzburg, AustriaHQ checked Sep 5, 202611-5013 contacts →

Indirect evidence

“Vor dem Hintergrund aktueller klimatischer Prozesse, neuer gesetzlicher Rahmenbedingungen und hoher Kosten wird Dekarbonisierung zu einem der wichtigsten Themen in der…”

Source: RevenueBase Database · checked Sep 5, 2026
3Indirect evidenceWien, AustriaHQ checked Sep 5, 202611-5012 contacts →

Indirect evidence

“Jeder Vision liegt ein WOFÜR zugrunde.”

Source: RevenueBase Database · checked Sep 5, 2026
4Indirect evidenceWien, AustriaHQ checked Sep 5, 20261-1011 contacts →

Indirect evidence

“At the beginning of any engagement with the topic of sustainability is the corporate carbon footprint, which can be used to determine which investments are necessary and whether…”

Source: RevenueBase Database · checked Sep 5, 2026
5Indirect evidenceVienna, AustriaHQ checked Sep 5, 20261-109 contacts →

Indirect evidence

“Energy Changes Projektentwicklung GmbH is a climate and sustainability advisory and project developer based in Vienna, Austria.”

Source: RevenueBase Database · checked Sep 5, 2026
6Indirect evidenceVienna, AustriaHQ checked Sep 5, 202611-509 contacts →

Indirect evidence

“Wir sind ein Beratungsunternehmen für Nachhaltigkeit, Energie & Klimaschutz mit Sitz in Wien.”

Source: RevenueBase Database · checked Sep 5, 2026
7Indirect evidenceVienna, AustriaHQ checked Sep 5, 20261-108 contacts →

Indirect evidence

“Mit susform wird Nachhaltigkeit auf den Punkt gebracht.”

Source: RevenueBase Database · checked Sep 5, 2026
8Indirect evidenceVienna, AustriaHQ checked Sep 5, 20261-108 contacts →

Indirect evidence

“Nachhaltigkeit liegt in der DNA von ECOFIDES.”

Source: RevenueBase Database · checked Sep 5, 2026
9Indirect evidenceWien, AustriaHQ checked Sep 5, 202611-508 contacts →

Indirect evidence

“HELIOZ is a social enterprise that helps businesses to take climate action - by offering compensation of climate-damaging emissions and the implementation of CSR activities.”

Source: RevenueBase Database · checked Sep 5, 2026
10Indirect evidenceVienna, AustriaHQ checked Sep 5, 20261-107 contacts →

Indirect evidence

“We support organizations to find their potential to unfold sustainability in their everyday business.”

Source: RevenueBase Database · checked Sep 5, 2026
11Partial evidenceBregenz, AustriaHQ checked Sep 5, 20261-107 contacts →

Partial evidence

“The Climate Desk TCD Consulting GmbH is a management consultancy with offices in Bregenz, Austria, and Munich, Germany.”

Source: RevenueBase Database · checked Sep 5, 2026
12Partial evidencePinsdorf, AustriaHQ checked Sep 5, 20261-107 contacts →

Partial evidence

“We are an Austrian consulting company focusing on planning and implementing future-oriented sustainable energy solutions for responsible people and companies.”

Source: RevenueBase Database · checked Sep 5, 2026
13Partial evidenceGraz, AustriaHQ checked Sep 5, 202611-506 contacts →

Partial evidence

“CONSIGA wurde aus dem gebündelten Know-how umsetzungsstarker Spezialisten mit jahrzehntelanger Erfahrung in verschiedensten Branchen gegründet – mit dem Ziel Consulting neu zu…”

Source: RevenueBase Database · checked Sep 5, 2026
14Indirect evidenceWartberg Ob Der Aist, AustriaHQ checked Sep 5, 20261-106 contacts →

Indirect evidence

“Strategische Nachhaltigkeitsberatung für Unternehmen mit Weitblick.”

Source: RevenueBase Database · checked Sep 5, 2026
15Indirect evidenceKirchbichl, AustriaHQ checked Sep 5, 20261-106 contacts →

Indirect evidence

“Unsere Firmenphilosophie als Energieberatungsunternehmen basiert auf dem Ziel, unseren Kunden dabei zu helfen, ihre Energieeffizienz zu verbessern und ihre Energiekosten zu…”

Source: RevenueBase Database · checked Sep 5, 2026
16Partial evidenceWien, AustriaHQ checked Sep 5, 20261-105 contacts →

Partial evidence

“Daxner & Merl stands for profound sustainability consulting services focused on environmental management.”

Source: RevenueBase Database · checked Sep 5, 2026
17Indirect evidenceVienna, AustriaHQ checked Sep 5, 20261-105 contacts →

Indirect evidence

“Klimaschutz im Hochbau braucht Aktionen.”

Source: RevenueBase Database · checked Sep 5, 2026
18Indirect evidenceVienna, AustriaHQ checked Sep 5, 20261-105 contacts →

Indirect evidence

“A Short History Originally established in 2011 as a joint venture between denkstatt GmbH and ENERTEC - Naftz & Partner GmbH & Co KG, the company known as denkstatt & enertec (d&e…”

Source: RevenueBase Database · checked Sep 5, 2026
19Partial evidenceVienna, AustriaHQ checked Sep 5, 20261-104 contacts →

Partial evidence

“At ORCA evolution we offer education formats and hands-on consulting expertise to make our clients' businesses future-proof and eventually climate-neutral.”

Source: RevenueBase Database · checked Sep 5, 2026
20Indirect evidenceKufstein, AustriaHQ checked Sep 5, 20261-102 contacts →

Indirect evidence

“Wir entwickeln maßgeschneiderte Nachhaltigkeitsstrategien und maximal effektive Klimaschutzmaßnahmen für KMUs und Großunternehmen auf dem Weg in eine nachhaltige und klimaneutrale…”

Source: RevenueBase Database · checked Sep 5, 2026
21Indirect evidenceSt. Pölten, AustriaHQ checked Sep 5, 20261-101 contacts →

Indirect evidence

“Unternehmensberatung für nachhaltige Entwicklung”

Source: RevenueBase Database · checked Sep 5, 2026
22Partial evidenceLinz, AustriaHQ checked Sep 5, 20261-101 contacts →

Partial evidence

“Solerte is a next-generation professional consulting firm that creates value at the intersection of business, technology and humanity- We advise companies and organizations in the…”

Source: RevenueBase Database · checked Sep 5, 2026
23Partial evidenceWildermieming, AustriaHQ checked Sep 5, 20261-101 contacts →

Partial evidence

“ENERGY CONSULTING CONCEPT CONTROLLING CONSUMPTION CONNECT Wir von ENCON stehen zu unserem Wort.”

Source: RevenueBase Database · checked Sep 5, 2026
24Partial evidenceVienna, AustriaHQ checked Sep 5, 20261-101 contacts →

Partial evidence

“Consulting for: Energy, Material and Resource Efficiency.”

Source: RevenueBase Database · checked Sep 5, 2026
25Strong evidenceWien, AustriaHQ checked Sep 5, 20261-101 contacts →

Strong evidence

“Carbon Turnaround is a leading consulting and advisory firm committed to the transformation of our economy and society to a Net Cero Carbon Society.”

Source: RevenueBase Database · checked Sep 5, 2026

Showing 25 of 42 net zero consulting firms based in Austria

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Net zero consulting firms based in Austria at a glance

As of Sep 5, 2026
30.5%Verified-email coverage
2.5%Mobile-number coverage
7.6Average contacts per company
1-10Median size (employees)
26.2%Largest-city concentration · Wien
Sep 5, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
9
51-200
1

Freshness & accuracy

How recently the business emails on this list were verified

Email last verified

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among net zero consulting firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Austria whose own description of what they do matches “net zero consulting firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names net zero consulting firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among net zero consulting firms, and records with no verified work email. Companies headquartered outside Austria are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 97 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 5, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names net zero consulting firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many net zero consulting firms are there based in Austria?

RevenueBase identified 42 net zero consulting firms headquartered in Austria as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Pulswerk Gmbh, headquartered in Wien, tops this list with the largest team on record.

Which city has the most net zero consulting firms?

Wien leads with 11 headquartered companies, followed by Vienna (4) and Graz (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 97 verified decision-maker contacts tracked across these 42 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 5, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.