Company lists · Data refreshed September 2026
Top 25 Environmental consulting and remediation based in Austria
RevenueBase identified 87 environmental consulting and remediation headquartered in Austria as of September 2026 and tracks 832 professional contacts across them, including 461 with verified work emails. Wien is the largest hub.
This list covers environmental consulting and remediation 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 19, 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.
The 25 largest environmental consulting and remediation based in Austria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 268 contacts → | ||||
Indirect evidence “Servus bei ILF!” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 2 | 201 contacts → | ||||
Indirect evidence “Die SPIEGLTEC GmbH ist ein unabhängiges technisches Planungsbüro mit dem Schwerpunkt Projektplanung und -umsetzung und ist seit über 25 Jahren Spezialist in der pharmazeutischen…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 3 | 33 contacts → | ||||
Indirect evidence “Unsere Umwelt.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 4 | 19 contacts → | ||||
Indirect evidence “Die ingenos ZT GmbH bietet ein breites Leistungsspektrum für bautechnische Dienstleistungen von der Projektentwicklung bis zur Bauaufsicht aus einer Hand.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 5 | 17 contacts → | ||||
Partial evidence “TERRA Umwelttechnik GmbH was founded in 2004 as an independent company by former employees of OMV Proterra, an enterprise which specialized in hydrocarbon-related environmental…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 6 | 16 contacts → | ||||
Indirect evidence “Abfallverwertung, Schadstoffreduktion, Emissionsvorgaben … – Betriebe werden heute mit einer Vielzahl an umweltgesetzlichen Verpflichtungen konfrontiert.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 7 | 16 contacts → | ||||
Indirect evidence “mjp Ziviltechniker GmbH| Geologie / Hydrogeologie /Geotechnik / Naturgefahren und Umwelt” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 8 | 16 contacts → | ||||
Indirect evidence “Ihr zuverlässiger, schneller und kompetenter Partner für naturwissenschaftliche Fragestellungen im Bereich Umwelt und Technologie.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 9 | 14 contacts → | ||||
Indirect evidence “pulswerk ist das Beratungsunternehmen des Österreichischen Ökologie-Instituts.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 10 | 13 contacts → | ||||
Indirect evidence “Das Tiroler Qualitätszentrum für Umwelt, Bau und Rohstoffe steht für einen 360° Service.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 11 | 12 contacts → | ||||
Indirect evidence “Förderungen Im kaum überschaubaren Förderungsdschungel behalten wir den Durchblick.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 12 | 11 contacts → | ||||
Partial evidence “Gegründet im Jahr 1945, zählen wir - seit 1971 als ÖSTAP Engineering & Consulting GmbH - zu den ältesten Planungsbüros in der österreichischen Wasserwirtschaft.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 13 | 7 contacts → | ||||
Indirect evidence “Wir bieten Beratung und Engineering in den Bereichen Abfallwirtschaft, Recycling, Rückgewinnung, Ressourcen- und Energieeffizienz, Deponien, Altlastensanierung und…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 14 | 6 contacts → | ||||
Partial evidence “Filzmaier Consulting GmbH ist ein international tätiges, unabhängiges Ingenieur- und Beratungsunternehmen, das sich als Ziel gesetzt hat seine Kunden bei der erfolgreichen…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Indirect evidence “Im Jahr 1977 gegründet beschäftigt das in Linz, Oberösterreich, ansässige und nunmehr international tätige Unternehmen derzeit etwa 40 Mitarbeiter.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Strong evidence “Daxner & Merl stands for profound sustainability consulting services focused on environmental management.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Indirect evidence “BERATEN - PLANEN - BAUEN - ÜBERWACHEN: Mit diesen kurzen Schlagworten können wir unser Unternehmen Bau- & Energietechnik umschreiben.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 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 19, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence “Hydro-Ingenieure Umwelttechnik GmbH is an executive office company based out of Steiner Landstraße 27a, Krems an der Donau, Austria.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Indirect evidence “Wasser ist eine der wichtigsten Lebensgrundlagen – die JR-AquaConSol GmbH verschreibt sich der qualitativen und quantitativen Sicherung dieser wertvollen Ressource.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Indirect evidence “Ingenieurbüro für Kulturtechnik und Wasserwirtschaft.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Indirect evidence “Seit mehr als 40 Jahren beraten wir unsere Kunden fachmännisch und vollkommen produktneutral, erarbeiten die rechtlich, technisch und wirtschaftlich beste Lösung und betreuen die…” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence “Wir helfen Ihnen, Ihre Betriebsanlage so auszurichten, dass praktische Umsetzung des Betriebes von Anlagen mit der Einhaltung von behördlichen Vorschriften im Einklang steht.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 24 | 4 contacts → | ||||
Indirect evidence “Konzept59 ist Ihr Partner für die Umsetzung technisch innovativer und nachhaltiger Projekte – von der Idee bis zur Marktreife.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
| 25 | 4 contacts → | ||||
Partial evidence “Services in the whole construction and environmental section.” Source: RevenueBase Database · checked Sep 19, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: environmental consulting and remediation. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names environmental consulting and remediation.
- Partial evidence
- Its own public description names part of environmental consulting and remediation, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name environmental consulting and remediation. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 87 environmental consulting and remediation based in Austria
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Environmental consulting and remediation based in Austria at a glance
As of Sep 19, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Austria, so it is reported there. Company counts and contact totals on this page are exact for Austria, over 87 companies.
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 environmental consulting and remediation, 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 “environmental consulting and remediation”. 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 environmental consulting and remediation), 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 environmental consulting and remediation, 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, 461 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 19, 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 environmental consulting and remediation, 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 environmental consulting and remediation are there based in Austria?
RevenueBase identified 87 environmental consulting and remediation 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?
ILF Consulting Engineers In Austria, headquartered in Rum, tops this list with the largest team on record.
Which city has the most environmental consulting and remediation?
Wien leads with 8 headquartered companies, followed by Innsbruck (5) and Vienna (5).
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 461 verified decision-maker contacts tracked across these 87 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 19, 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.
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