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, how directly it supports the match, 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 SmartSearch, 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.
The 25 largest net zero consulting firms based in Austria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 14 | ||||
“pulswerk ist das Beratungsunternehmen des Österreichischen Ökologie-Instituts.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 2 | 13 | ||||
“Vor dem Hintergrund aktueller klimatischer Prozesse, neuer gesetzlicher Rahmenbedingungen und hoher Kosten wird Dekarbonisierung zu einem der wichtigsten Themen in der…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 3 | 12 | ||||
“Jeder Vision liegt ein WOFÜR zugrunde.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 4 | SustainabilityIndirect evidence | 11 | |||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 5 | 9 | ||||
“Energy Changes Projektentwicklung GmbH is a climate and sustainability advisory and project developer based in Vienna, Austria.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 6 | 9 | ||||
“Wir sind ein Beratungsunternehmen für Nachhaltigkeit, Energie & Klimaschutz mit Sitz in Wien.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 7 | 8 | ||||
“Mit susform wird Nachhaltigkeit auf den Punkt gebracht.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 8 | 8 | ||||
“Nachhaltigkeit liegt in der DNA von ECOFIDES.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 9 | 8 | ||||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 10 | 7 | ||||
“We support organizations to find their potential to unfold sustainability in their everyday business.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 11 | The Climate DeskPartial evidence | 7 | |||
“The Climate Desk TCD Consulting GmbH is a management consultancy with offices in Bregenz, Austria, and Munich, Germany.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 12 | 7 | ||||
“We are an Austrian consulting company focusing on planning and implementing future-oriented sustainable energy solutions for responsible people and companies.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 13 | 6 | ||||
“CONSIGA wurde aus dem gebündelten Know-how umsetzungsstarker Spezialisten mit jahrzehntelanger Erfahrung in verschiedensten Branchen gegründet – mit dem Ziel Consulting neu zu…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 14 | 6 | ||||
“Strategische Nachhaltigkeitsberatung für Unternehmen mit Weitblick.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 | ||||
“Unsere Firmenphilosophie als Energieberatungsunternehmen basiert auf dem Ziel, unseren Kunden dabei zu helfen, ihre Energieeffizienz zu verbessern und ihre Energiekosten zu…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 | ||||
“Daxner & Merl stands for profound sustainability consulting services focused on environmental management.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 | ||||
“Klimaschutz im Hochbau braucht Aktionen.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 | ||||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 | ||||
“At ORCA evolution we offer education formats and hands-on consulting expertise to make our clients' businesses future-proof and eventually climate-neutral.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 20 | Klima StrategieIndirect evidence | 2 | |||
“Wir entwickeln maßgeschneiderte Nachhaltigkeitsstrategien und maximal effektive Klimaschutzmaßnahmen für KMUs und Großunternehmen auf dem Weg in eine nachhaltige und klimaneutrale…” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 21 | 1 | ||||
“Unternehmensberatung für nachhaltige Entwicklung” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 22 | 1 | ||||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 23 | 1 | ||||
“ENERGY CONSULTING CONCEPT CONTROLLING CONSUMPTION CONNECT Wir von ENCON stehen zu unserem Wort.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 | ||||
“Consulting for: Energy, Material and Resource Efficiency.” Source: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 | ||||
“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: company website · checked Sep 5, 2026Thanks. The Data Team will review it. | |||||
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, 2026Companies by employee count
Verified emails by last verification
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 evidence 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 SmartSearch, 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.
- 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 an evidence 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
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 SmartSearch, 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.
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