Company lists · Data refreshed September 2026
Top 15 Retrofit consultants based in Vienna, Austria
RevenueBase identified 27 company matches for retrofit consultants associated with Vienna, Austria as of September 2026 and tracks 241 professional contacts across them, including 121 with verified work emails. Across Austria, Vienna is the largest hub for this category.
This list covers company matches for retrofit consultants associated with Vienna, Austria, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 29, 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 15 largest retrofit consultants based in Vienna, Austria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 38 contacts → | ||||
Exact match “ALLPLAN GmbH was founded in Vienna in 1967.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 20 contacts → | ||||
Exact match “WE ADD STABILITY TO VISION.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 17 contacts → | ||||
Exact match “KPPK Ziviltechniker GmbH - BAUEN WIR GEMEINSAM Die KPPK Ziviltechniker GmbH gestaltet seit dem Jahr 2005 in Zusammenarbeit mit Bauherren, Architekten und fachspezifischen…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 15 contacts → | ||||
Exact match “Werkraum Ingenieure ZT GmbH & Co KG ist ein Ziviltechnikerbüro für Tragwerksplanung.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 9 contacts → | ||||
Exact match “Wir planen Zukunft!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 6 | 8 contacts → | ||||
Exact match “As civil engineers for design and consulting, we are your backbone with many years of training and experience.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 7 contacts → | ||||
Exact match “Die Hans Lechner ZT ist ein Ingenieur- und Architekturbüro mit Spezialisierung auf komplexe Großbauvorhaben.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 7 contacts → | ||||
Exact match “Ziviltechniker.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 4 contacts → | ||||
Exact match “HTB-Plan Haustechnik Planungs GmbH – Mehr als 20 Jahre Erfolg in der Gebäudetechnik Seit unserer Gründung im Jahr 2001 haben wir uns von einem Ein-Mann-Betrieb zu einem führenden…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 3 contacts → | ||||
Exact match “Architektur | Design | Bauwesen | Statik | Baumanagement” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 2 contacts → | ||||
Exact match “Tragwerksplanung Geotechnik Örtliche Bauaufsicht Begleitende Kontrolle Prüfingenieurstätigkeit Planungskoordinator Baustellenkoordinator Planung von Umbauten und Neubauten” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 2 contacts → | ||||
Exact match “ATM Architektur Technik Management ZT GmbH ist der Komplettanbieter für Ihre Baustelle: Planung, Termin- und Kostenmanagement, Bauüberwachung und -kontrolle…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 2 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 1 contacts → | ||||
Exact match “Consulting, planning of sustainable building technology in the field of heating, ventilation, air conditioning, sanitation, solar and renewable Energy, energy certificate…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “retrofit consultants”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 15 of 27 retrofit consultants based in Vienna, Austria
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Retrofit consultants based in Vienna, Austria at a glance
As of Sep 29, 2026Companies by employee count
Email recency for this list is measured across the whole Austria list rather than for Vienna, so it is reported there. Company counts and contact totals on this page are exact for Vienna, over 27 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- 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
- Company records associated with Vienna, Austria whose business descriptions match “retrofit consultants” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 121 professional contacts with verified work emails across the full matched dataset. 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 29, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “retrofit consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many retrofit consultants are there based in Vienna, Austria?
RevenueBase identified 27 company matches for retrofit consultants associated with Vienna, Austria as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Allplan Gmbh tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Austria has the most retrofit consultants?
Vienna leads Austria with 36 company records, followed by Salzburg (7) and Graz (5).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 121 professional contacts with verified work emails tracked across these 27 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 29, 2026.
Ready to reach these companies? Verified emails and direct dials for all 27 retrofit consultants based in Vienna, Austria. Start with a free account, no credit card.
Download this list →Related lists
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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.
More company lists
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Company intelligence · public preview
Top 15 retrofit consultants based in Vienna, Austria
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 27 matching company records for retrofit consultants based in Vienna, Austria, with 241 tracked contacts and 121 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 retrofit consultants based in Vienna, Austria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Allplan Gmbhallplan.atHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 38 contacts → |
“ALLPLAN GmbH was founded in Vienna in 1967.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Woschitz Groupwoschitzgroup.comHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 20 contacts → |
“WE ADD STABILITY TO VISION.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Kppk Ziviltechniker Gmbhkppk.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 17 contacts → |
“KPPK Ziviltechniker GmbH - BAUEN WIR GEMEINSAM Die KPPK Ziviltechniker GmbH gestaltet seit dem Jahr 2005 in Zusammenarbeit mit Bauherren, Architekten und fachspezifischen…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Werkraum Ingenieure ZT Gmbh & CO KGwerkraum.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 15 contacts → |
“Werkraum Ingenieure ZT GmbH & Co KG ist ein Ziviltechnikerbüro für Tragwerksplanung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Dr. Ronald Mischek ZT Gmbhmischek-zt.atHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 9 contacts → |
“Wir planen Zukunft!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Hpiengineering ZT Gmbhhpi-engineering.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 8 contacts → |
“As civil engineers for design and consulting, we are your backbone with many years of training and experience.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Hans Lechner ZT E.Uhanslechner.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Die Hans Lechner ZT ist ein Ingenieur- und Architekturbüro mit Spezialisierung auf komplexe Großbauvorhaben.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  GHP Gmeiner Haferl & Partner ZT Gmbhghp-zt.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Ziviltechniker.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Htb-Plan Haustechnik Planungs Gmbhhtb-plan.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 4 contacts → |
“HTB-Plan Haustechnik Planungs GmbH – Mehr als 20 Jahre Erfolg in der Gebäudetechnik Seit unserer Gründung im Jahr 2001 haben wir uns von einem Ein-Mann-Betrieb zu einem führenden…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Aigner Partner ZT Gmbhafp-zt.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 3 contacts → |
“Architektur | Design | Bauwesen | Statik | Baumanagement” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Katzkow & Partnerkatzkow-partner.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 2 contacts → |
“Tragwerksplanung Geotechnik Örtliche Bauaufsicht Begleitende Kontrolle Prüfingenieurstätigkeit Planungskoordinator Baustellenkoordinator Planung von Umbauten und Neubauten” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  ATM ZT Gmbhatm-zt.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 2 contacts → |
“ATM Architektur Technik Management ZT GmbH ist der Komplettanbieter für Ihre Baustelle: Planung, Termin- und Kostenmanagement, Bauüberwachung und -kontrolle…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Europroject Ziviltechniker Gmbheuroproject.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Baucon ZT Gmbhbaucon.at HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  TAA Haustechnik E.Utaa-haustechnik.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 1 contacts → |
“Consulting, planning of sustainable building technology in the field of heating, ventilation, air conditioning, sanitation, solar and renewable Energy, energy certificate…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 27 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
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Retrofit consultants: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
27 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Austria list rather than for Vienna, so it is reported there. Company counts and contact totals on this page are exact for Vienna, over 27 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for retrofit consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many retrofit consultants did RevenueBase find based in Vienna, Austria?
The saved snapshot records 27 matching company records, 241 tracked contacts and 121 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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Cite this list
RevenueBase Data Team. Top 15 retrofit consultants based in Vienna, Austria. Snapshot: September 29, 2026. https://revenuebase.ai/companies/retrofit-consultants/austria/vienna.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Retrofit consultants based in Brisbane, Australia
- Retrofit consultants based in Melbourne, Australia
- Retrofit consultants based in Sydney, Australia
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- Retrofit consultants based in Curitiba, Brazil
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Company intelligence · public preview
Top 15 retrofit consultants based in Vienna, Austria
RevenueBase records 27 matching company records for retrofit consultants based in Vienna, Austria, with 241 tracked contacts and 121 verified work emails.
This public preview shows 15 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 29, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 15 retrofit consultants based in Vienna, Austria
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Allplan Gmbhallplan.at HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 38 contacts → |
“ALLPLAN GmbH was founded in Vienna in 1967.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Woschitz Groupwoschitzgroup.com HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 20 contacts → |
“WE ADD STABILITY TO VISION.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kppk Ziviltechniker Gmbhkppk.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 17 contacts → |
“KPPK Ziviltechniker GmbH - BAUEN WIR GEMEINSAM Die KPPK Ziviltechniker GmbH gestaltet seit dem Jahr 2005 in Zusammenarbeit mit Bauherren, Architekten und fachspezifischen…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Werkraum Ingenieure ZT Gmbh & CO KGwerkraum.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 15 contacts → |
“Werkraum Ingenieure ZT GmbH & Co KG ist ein Ziviltechnikerbüro für Tragwerksplanung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Dr. Ronald Mischek ZT Gmbhmischek-zt.at HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 9 contacts → |
“Wir planen Zukunft!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Hpiengineering ZT Gmbhhpi-engineering.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 8 contacts → |
“As civil engineers for design and consulting, we are your backbone with many years of training and experience.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Hans Lechner ZT E.Uhanslechner.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Die Hans Lechner ZT ist ein Ingenieur- und Architekturbüro mit Spezialisierung auf komplexe Großbauvorhaben.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | GHP Gmeiner Haferl & Partner ZT Gmbhghp-zt.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Ziviltechniker.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Htb-Plan Haustechnik Planungs Gmbhhtb-plan.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 4 contacts → |
“HTB-Plan Haustechnik Planungs GmbH – Mehr als 20 Jahre Erfolg in der Gebäudetechnik Seit unserer Gründung im Jahr 2001 haben wir uns von einem Ein-Mann-Betrieb zu einem führenden…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Aigner Partner ZT Gmbhafp-zt.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 3 contacts → |
“Architektur | Design | Bauwesen | Statik | Baumanagement” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Katzkow & Partnerkatzkow-partner.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 2 contacts → |
“Tragwerksplanung Geotechnik Örtliche Bauaufsicht Begleitende Kontrolle Prüfingenieurstätigkeit Planungskoordinator Baustellenkoordinator Planung von Umbauten und Neubauten” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | ATM ZT Gmbhatm-zt.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 2 contacts → |
“ATM Architektur Technik Management ZT GmbH ist der Komplettanbieter für Ihre Baustelle: Planung, Termin- und Kostenmanagement, Bauüberwachung und -kontrolle…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Europroject Ziviltechniker Gmbheuroproject.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 14 | Baucon ZT Gmbhbaucon.at HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | TAA Haustechnik E.Utaa-haustechnik.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 1 contacts → |
“Consulting, planning of sustainable building technology in the field of heating, ventilation, air conditioning, sanitation, solar and renewable Energy, energy certificate…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 15 of 27 company matches
Build a targeted audience, find relevant contacts and export available records to your workflow.
Free signup · 500 credits · limited free results
Retrofit consultants: dataset insights
September 29, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
27 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Austria list rather than for Vienna, so it is reported there. Company counts and contact totals on this page are exact for Vienna, over 27 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 29, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for retrofit consultants?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many retrofit consultants did RevenueBase find based in Vienna, Austria?
The saved snapshot records 27 matching company records, 241 tracked contacts and 121 verified emails. The public preview displays 15 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 29, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
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Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 15 retrofit consultants based in Vienna, Austria. Snapshot: September 29, 2026. https://revenuebase.ai/companies/retrofit-consultants/austria/vienna.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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