Company lists · Data refreshed September 2026
Top 25 Sustainable housing developers based in Austria
RevenueBase identified 88 sustainable housing developers headquartered in Austria as of September 2026 and tracks 826 professional contacts across them, including 438 with verified work emails. Wien is the largest hub.
This list covers sustainable housing developers 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 22, 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 sustainable housing developers based in Austria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 365 contacts → | ||||
Partial evidence “GROPYUS advances the development of sustainable buildings.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 2 | 55 contacts → | ||||
Indirect evidence “ÖWG Wohnbau bietet dir „Einfach mehr vom Leben.” Der größte gemeinnützige Wohnbauträger der Steiermark schafft Wohnlösungen für die Zukunft - zur Miete, Miete mit Kaufoption oder…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 3 | 40 contacts → | ||||
Indirect evidence “Seit Jahren ist F+P ARCHITEKTEN ein kompetenter Partner für Planungen von Bauten nachhaltiger Projekte.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 4 | 32 contacts → | ||||
Indirect evidence “Unser Unternehmen ist Vorreiter im ökologischen, gemeinnützigen und nachhaltigen Wohnbau und errichtet in Salzburg, Niederösterreich und Wien leistbaren Wohnraum.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 5 | 26 contacts → | ||||
Indirect evidence “Lukas Lang Building Technologies ist Vorreiter in der Entwicklung von umweltfreundlichen Bautechnologien und nachhaltigen Bauprojekten.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 6 | 25 contacts → | ||||
Indirect evidence “Als größter gemeinnütziger Bauträger Niederösterreichs baut, saniert und verwaltet die WETgruppe geförderte und freifinanzierte Wohnmodelle.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 7 | 21 contacts → | ||||
Indirect evidence “Bauen für Generationen Wir vom ÖVW denken langfristig und nachhaltig.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 8 | 17 contacts → | ||||
Indirect evidence “Leistbares Wohnen für Generationen – seit 1949 Die Rottenmanner Siedlungsgenossenschaft zählt mit rund 18.800 Mitgliedern und 19.150 verwalteten Einheiten zu den größten…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 9 | 12 contacts → | ||||
Indirect evidence “NEUE HEIMAT OÖ - Der Mensch im Mittelpunkt Seit über 80 Jahren haben wir als gemeinnütziges Unternehmen ein klares Ziel vor Augen: Den Menschen mit seinen Anliegen, Bedürfnissen…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 10 | 12 contacts → | ||||
Indirect evidence “Genböck Haus – gscheit bauen Ein Haus, so individuell wie sein(e) Besitzer Genböck Haus feierte erst kürzlich seinen 35.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 11 | 11 contacts → | ||||
Indirect evidence “Bauen und Wohnen neu gedacht.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 12 | 8 contacts → | ||||
Indirect evidence “Wir schaffen Wohnraum – verantwortungsvoll, zukunftsorientiert und leistbar.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 13 | 8 contacts → | ||||
Indirect evidence “Seit 1987 entwickelt KALLCO nachhaltige und wirtschaftlich durchdachte Immobilienprojekte, die neue Maßstäbe in der Stadt- und Quartiersentwicklung Wiens setzen.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 14 | 7 contacts → | ||||
Indirect evidence “SIGES ist Experte in Sachen Holzbau und errichtet für Sie Wohnungen in gesunder, massiver Holzbauweise, die sich durch einzigartige ökologische und ökonomische Werte auszeichnen.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Indirect evidence “Pointinger Green Buildings sind die nachhaltige, wirtschaftliche und zukunftsfitte Lösung für den Wohn- und Gewerbebau.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 16 | 6 contacts → | ||||
Indirect evidence “IHR SMARTER PARTNER IN DEN BEREICHEN Gebäudetechnik – Fördermanagement – Energieberatung Unser Fokus liegt auf wirtschaftliche Anlagenplanung mit möglichst hohem Einsatz von…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 17 | 6 contacts → | ||||
Indirect evidence “Qualitativer Wohnbau geht für uns weit über ökologische und ökonomische Anforderungen hinaus und muss so konzipiert sein, dass er den Wohnbedürfnissen der nächsten Jahrzehnte…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 18 | 5 contacts → | ||||
Indirect evidence “Lopas GmbH is a real estate company based out of Oberwaltersdorfer Str.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 19 | 5 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 20 | 5 contacts → | ||||
Indirect evidence “architectural design studio” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 21 | 4 contacts → | ||||
Indirect evidence “Forschung und Beratung für Nachhaltiges Bauen” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 22 | 4 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 23 | 4 contacts → | ||||
Indirect evidence “Über die WNG Die Gemeinnützige Bau, Wohnungs- und Siedlungsgenossenschaft WNG ist seit über neun Jahrzehnten ein zentraler Partner für leistbares Wohnen.” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence “Glorit zählt zu den größten privaten Bauträgern im Großraum Wien und ist als Premiumanbieter auf den Bau von Einzel, Doppel- und Reihenhäusern sowie den mehrgeschossigen Wohnbau…” Source: RevenueBase Database · checked Sep 22, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Indirect evidence “Als Pioniere der nachhaltigen Architektur verfolgen wir bei POS einen ganzheitlichen Ansatz.” Source: RevenueBase Database · checked Sep 22, 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: sustainable housing developers. 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 sustainable housing developers.
- Partial evidence
- Its own public description names part of sustainable housing developers, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name sustainable housing developers. 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 88 sustainable housing developers based in Austria
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Sustainable housing developers based in Austria at a glance
As of Sep 22, 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 88 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 sustainable housing developers, 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 “sustainable housing developers”. 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 sustainable housing developers), 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 sustainable housing developers, 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, 438 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 22, 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 sustainable housing developers, 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 sustainable housing developers are there based in Austria?
RevenueBase identified 88 sustainable housing developers 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?
Gropyus, headquartered in Wien, tops this list with the largest team on record.
Which city has the most sustainable housing developers?
Wien leads with 15 headquartered companies, followed by Graz (10) and Vienna (8).
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 438 verified decision-maker contacts tracked across these 88 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 22, 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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