Company lists · Data refreshed September 2026
Top 25 Project management consulting clean energy companies based in Vienna, Austria
RevenueBase identified 54 company matches for project management consulting clean energy companies associated with Vienna, Austria as of September 2026 and tracks 542 professional contacts across them, including 270 with verified work emails. Across Austria, Vienna is the largest hub for this category.
This list covers company matches for project management consulting clean energy companies 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 25 largest project management consulting clean energy companies based in Vienna, Austria
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 104 contacts → | ||||
Exact match “Kommunalkredit Public Consulting pursues the goal of making long-term positive contributions to the environment, the economy, and society by managing funding programs and by…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 2 | 77 contacts → | ||||
Exact match “Experts for your success.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 3 | 47 contacts → | ||||
Exact match “CES clean energy solutions is an enginneering consultant company and serves you as competence centre for energy efficiency, renewable energy and sustainable development.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 4 | 47 contacts → | ||||
Exact match “LSG GROUP based in Austria, was originally founded as Leopold Jordan GmbH in Vienna in 1997, renamed 2010 to LJG Building Solutions GmbH and finally 2012 restructured to the LSG…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 5 | 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 | |||||
| 6 | 22 contacts → | ||||
Exact match “Inercomp is an independent energy services company with a focus on energy trading.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 7 | 16 contacts → | ||||
Exact match “The Energy Transformation - Our Vision for the 21st Century!” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 8 | 15 contacts → | ||||
Exact match “Mit unserer langjährigen Erfahrung im Energieeinkauf und unserem hohen technischen Know-How begleiten wir unsere Kunden partnerschaftlich und auf Augenhöhe in die Energiezukunft.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 9 | 12 contacts → | ||||
Exact match “Jeder Vision liegt ein WOFÜR zugrunde.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 10 | 10 contacts → | ||||
Exact match “Voltares is an independent renewable energy developer focused on utility-scale and distributed assets in emerging markets.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 11 | 9 contacts → | ||||
Exact match “Wir sind ein Beratungsunternehmen für Nachhaltigkeit, Energie & Klimaschutz mit Sitz in Wien.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 12 | 8 contacts → | ||||
Exact match “Projektmanagement aus einer Hand - nachhaltig im doppelten Sinne Wir bieten – von der Projektidee bis zur erfolgreichen Umsetzung – nachhaltiges Projektmanagement aus einer Hand…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 13 | 7 contacts → | ||||
Exact match “Wir bieten Beratung und Engineering in den Bereichen Abfallwirtschaft, Recycling, Rückgewinnung, Ressourcen- und Energieeffizienz, Deponien, Altlastensanierung und…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 14 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 15 | 6 contacts → | ||||
Exact match “CONSPEED bietet Ihnen als Baumeister und Unternehmensberater sämtliche Dienstleistungen, um Ihr Projekt und Ihr Unternehmen, in dem Spannungsfeld „Leistung – Kosten – Termine“…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 16 | 6 contacts → | ||||
Exact match “We address the most urgent challenges of data centre operators, industrial companies, municipalities and the energy sector when it comes to transforming their infrastructure at…” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “We accompany our clients comprehensively to transform and develop their Business across the world on site.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 18 | 5 contacts → | ||||
Exact match “sparkspire is a Vienna-based, independent management and technology consultancy focused exclusively on the energy industry.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 19 | 5 contacts → | ||||
Exact match “Daxner & Merl stands for profound sustainability consulting services focused on environmental management.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 20 | 5 contacts → | ||||
Exact match “Klimaschutz im Hochbau braucht Aktionen.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 21 | 5 contacts → | ||||
Exact match “Trianel Energieprojekte Austria GmbH deckt mit ihren Kompetenzen jede Phase einer Projektrealisierung ab.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 22 | 2 contacts → | ||||
Exact match “Unser Dienstleistungsspektrum im Bereich des Projektmanagements, umfasst die Beratung, Planung, Entwicklung, PROZESSOPTIMIERUNG und Umsetzung.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 23 | 2 contacts → | ||||
Exact match “Wir begleiten Spezialisten und Newcomer aus der Energie- und Umweltbranche bei der Strategieentwicklung und Finanzierung ihrer nachhaltigen Projekte.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “decent.consulting ist eine spezialisierte Beratung für Datenschutz und KI Compliance mit Sitz in Wien.” Recorded in the RevenueBase company graph · Sep 29, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “International team of experts, led by a team-leader with over 20 years of international experience (SEE and DACH region) in the environmental and construction industry, energy and…” 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 “project management consulting clean energy companies”. 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 25 of 54 project management consulting clean energy companies based in Vienna, Austria
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Project management consulting clean energy companies 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.
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 “project management consulting clean energy companies” 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 270 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 “project management consulting clean energy companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many project management consulting clean energy companies are there based in Vienna, Austria?
RevenueBase identified 54 company matches for project management consulting clean energy companies 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?
Kommunalkredit Public Consulting 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 project management consulting clean energy companies?
Vienna leads Austria with 54 company records, followed by Graz (15) and Innsbruck (11).
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 270 professional contacts with verified work emails tracked across these 54 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 54 project management consulting clean energy companies based in Vienna, Austria. Start with a free account, no credit card.
Download this list →Related lists
Project management consulting clean energy companies by geography
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- Project management consulting clean energy companies based in Fortaleza, Brazil
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- Project management consulting clean energy companies based in Porto Alegre, Brazil
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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 25 project management consulting clean energy companies 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 54 matching company records for project management consulting clean energy companies based in Vienna, Austria, with 542 tracked contacts and 270 verified work emails.
This public preview shows 25 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 25 project management consulting clean energy companies 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 |  Kommunalkredit Public Consulting Gmbhpublicconsulting.atHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 104 contacts → |
“Kommunalkredit Public Consulting pursues the goal of making long-term positive contributions to the environment, the economy, and society by managing funding programs and by…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Next Level Consultingnextlevelconsulting.comHQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 77 contacts → |
“Experts for your success.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  CES Clean Energy Solutionsic-ces.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 47 contacts → |
“CES clean energy solutions is an enginneering consultant company and serves you as competence centre for energy efficiency, renewable energy and sustainable development.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  LSG Group Gmbhlsg-group.euHQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 47 contacts → |
“LSG GROUP based in Austria, was originally founded as Leopold Jordan GmbH in Vienna in 1997, renamed 2010 to LJG Building Solutions GmbH and finally 2012 restructured to the LSG…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  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. | |||||
| 6 |  Inercompinercomp.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 22 contacts → |
“Inercomp is an independent energy services company with a focus on energy trading.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Collective Energycollective-energy.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 16 contacts → |
“The Energy Transformation - Our Vision for the 21st Century!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Power Solutionpower-solution.euHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 15 contacts → |
“Mit unserer langjährigen Erfahrung im Energieeinkauf und unserem hohen technischen Know-How begleiten wir unsere Kunden partnerschaftlich und auf Augenhöhe in die Energiezukunft.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Myssion Consulting Gmbhmyssion.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 12 contacts → |
“Jeder Vision liegt ein WOFÜR zugrunde.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Voltaresvoltares.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 10 contacts → |
“Voltares is an independent renewable energy developer focused on utility-scale and distributed assets in emerging markets.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Brainbowsbrainbows.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 9 contacts → |
“Wir sind ein Beratungsunternehmen für Nachhaltigkeit, Energie & Klimaschutz mit Sitz in Wien.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Tatwort Nachhaltige Projekte Gmbhtatwort.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 8 contacts → |
“Projektmanagement aus einer Hand - nachhaltig im doppelten Sinne Wir bieten – von der Projektidee bis zur erfolgreichen Umsetzung – nachhaltiges Projektmanagement aus einer Hand…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Wir bieten Beratung und Engineering in den Bereichen Abfallwirtschaft, Recycling, Rückgewinnung, Ressourcen- und Energieeffizienz, Deponien, Altlastensanierung und…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Revival27 Consultingrevival27.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 |  Conspeed Baumanagement Gmbhconspeed.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 6 contacts → |
“CONSPEED bietet Ihnen als Baumeister und Unternehmensberater sämtliche Dienstleistungen, um Ihr Projekt und Ihr Unternehmen, in dem Spannungsfeld „Leistung – Kosten – Termine“…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Decision Advisory Group Gmbhdecision-advisory.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 6 contacts → |
“We address the most urgent challenges of data centre operators, industrial companies, municipalities and the energy sector when it comes to transforming their infrastructure at…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Aeon Consulting Group Gmbhaeon-group.comHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 6 contacts → |
“We accompany our clients comprehensively to transform and develop their Business across the world on site.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Sparkspire Gmbhsparkspire.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 5 contacts → |
“sparkspire is a Vienna-based, independent management and technology consultancy focused exclusively on the energy industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Daxner & Merl Gmbhdaxner-merl.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 5 contacts → |
“Daxner & Merl stands for profound sustainability consulting services focused on environmental management.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Sima Consulting Gmbhsima-con.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 5 contacts → |
“Klimaschutz im Hochbau braucht Aktionen.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Trianel Energieprojekte Austria Gmbhtrianel-energieprojekte.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 5 contacts → |
“Trianel Energieprojekte Austria GmbH deckt mit ihren Kompetenzen jede Phase einer Projektrealisierung ab.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Proceconprocecon.atHQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 2 contacts → |
“Unser Dienstleistungsspektrum im Bereich des Projektmanagements, umfasst die Beratung, Planung, Entwicklung, PROZESSOPTIMIERUNG und Umsetzung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Fingreenfingreen.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“Wir begleiten Spezialisten und Newcomer aus der Energie- und Umweltbranche bei der Strategieentwicklung und Finanzierung ihrer nachhaltigen Projekte.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Decent.Consulting Gmbhdecent-consulting.comHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“decent.consulting ist eine spezialisierte Beratung für Datenschutz und KI Compliance mit Sitz in Wien.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Holbold Consulting E.Uholbold.atHQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“International team of experts, led by a team-leader with over 20 years of international experience (SEE and DACH region) in the environmental and construction industry, energy and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 54 company matches
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Project management consulting clean energy companies: 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
53 records in the displayed employee bands.
1 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.
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 project management consulting clean energy companies?
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 project management consulting clean energy companies did RevenueBase find based in Vienna, Austria?
The saved snapshot records 54 matching company records, 542 tracked contacts and 270 verified emails. The public preview displays 25 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
Project management consulting clean energy companies by geography
- Project management consulting clean energy companies based in Buenos Aires, Argentina
- Project management consulting clean energy companies based in Adelaide, Australia
- Project management consulting clean energy companies based in Brisbane, Australia
- Project management consulting clean energy companies based in Melbourne, Australia
- Project management consulting clean energy companies based in Perth, Australia
- Project management consulting clean energy companies based in Sydney, Australia
- Project management consulting clean energy companies based in Belo Horizonte, Brazil
- Project management consulting clean energy companies based in Curitiba, Brazil
- Project management consulting clean energy companies based in Fortaleza, Brazil
- Project management consulting clean energy companies based in Natal, Brazil
- Project management consulting clean energy companies based in Porto Alegre, Brazil
- Project management consulting clean energy companies based in Recife, Brazil
Cite this list
RevenueBase Data Team. Top 25 project management consulting clean energy companies based in Vienna, Austria. Snapshot: September 29, 2026. https://revenuebase.ai/companies/project-management-consulting-clean-energy-companies/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
- Project management consulting clean energy companies based in Buenos Aires, Argentina
- Project management consulting clean energy companies based in Adelaide, Australia
- Project management consulting clean energy companies based in Brisbane, Australia
- Project management consulting clean energy companies based in Melbourne, Australia
- Project management consulting clean energy companies based in Perth, Australia
- Project management consulting clean energy companies based in Sydney, Australia
Company intelligence · public preview
Top 25 project management consulting clean energy companies based in Vienna, Austria
RevenueBase records 54 matching company records for project management consulting clean energy companies based in Vienna, Austria, with 542 tracked contacts and 270 verified work emails.
This public preview shows 25 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 25 project management consulting clean energy companies 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 | Kommunalkredit Public Consulting Gmbhpublicconsulting.at HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 104 contacts → |
“Kommunalkredit Public Consulting pursues the goal of making long-term positive contributions to the environment, the economy, and society by managing funding programs and by…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Next Level Consultingnextlevelconsulting.com HQ: Vienna, AustriaReported employees: 51-200 | Vienna, Austria | 51-200 | Exact match | 77 contacts → |
“Experts for your success.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | CES Clean Energy Solutionsic-ces.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 47 contacts → |
“CES clean energy solutions is an enginneering consultant company and serves you as competence centre for energy efficiency, renewable energy and sustainable development.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | LSG Group Gmbhlsg-group.eu HQ: Vienna, AustriaReported employees: 201-500 | Vienna, Austria | 201-500 | Exact match | 47 contacts → |
“LSG GROUP based in Austria, was originally founded as Leopold Jordan GmbH in Vienna in 1997, renamed 2010 to LJG Building Solutions GmbH and finally 2012 restructured to the LSG…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | 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. | |||||
| 6 | Inercompinercomp.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 22 contacts → |
“Inercomp is an independent energy services company with a focus on energy trading.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Collective Energycollective-energy.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 16 contacts → |
“The Energy Transformation - Our Vision for the 21st Century!” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Power Solutionpower-solution.eu HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 15 contacts → |
“Mit unserer langjährigen Erfahrung im Energieeinkauf und unserem hohen technischen Know-How begleiten wir unsere Kunden partnerschaftlich und auf Augenhöhe in die Energiezukunft.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Myssion Consulting Gmbhmyssion.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 12 contacts → |
“Jeder Vision liegt ein WOFÜR zugrunde.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Voltaresvoltares.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 10 contacts → |
“Voltares is an independent renewable energy developer focused on utility-scale and distributed assets in emerging markets.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Brainbowsbrainbows.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 9 contacts → |
“Wir sind ein Beratungsunternehmen für Nachhaltigkeit, Energie & Klimaschutz mit Sitz in Wien.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Tatwort Nachhaltige Projekte Gmbhtatwort.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 8 contacts → |
“Projektmanagement aus einer Hand - nachhaltig im doppelten Sinne Wir bieten – von der Projektidee bis zur erfolgreichen Umsetzung – nachhaltiges Projektmanagement aus einer Hand…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 7 contacts → |
“Wir bieten Beratung und Engineering in den Bereichen Abfallwirtschaft, Recycling, Rückgewinnung, Ressourcen- und Energieeffizienz, Deponien, Altlastensanierung und…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Revival27 Consultingrevival27.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 15 | Conspeed Baumanagement Gmbhconspeed.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 6 contacts → |
“CONSPEED bietet Ihnen als Baumeister und Unternehmensberater sämtliche Dienstleistungen, um Ihr Projekt und Ihr Unternehmen, in dem Spannungsfeld „Leistung – Kosten – Termine“…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Decision Advisory Group Gmbhdecision-advisory.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 6 contacts → |
“We address the most urgent challenges of data centre operators, industrial companies, municipalities and the energy sector when it comes to transforming their infrastructure at…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Aeon Consulting Group Gmbhaeon-group.com HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 6 contacts → |
“We accompany our clients comprehensively to transform and develop their Business across the world on site.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Sparkspire Gmbhsparkspire.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 5 contacts → |
“sparkspire is a Vienna-based, independent management and technology consultancy focused exclusively on the energy industry.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Daxner & Merl Gmbhdaxner-merl.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 5 contacts → |
“Daxner & Merl stands for profound sustainability consulting services focused on environmental management.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Sima Consulting Gmbhsima-con.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 5 contacts → |
“Klimaschutz im Hochbau braucht Aktionen.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Trianel Energieprojekte Austria Gmbhtrianel-energieprojekte.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 5 contacts → |
“Trianel Energieprojekte Austria GmbH deckt mit ihren Kompetenzen jede Phase einer Projektrealisierung ab.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Proceconprocecon.at HQ: Vienna, AustriaReported employees: 11-50 | Vienna, Austria | 11-50 | Exact match | 2 contacts → |
“Unser Dienstleistungsspektrum im Bereich des Projektmanagements, umfasst die Beratung, Planung, Entwicklung, PROZESSOPTIMIERUNG und Umsetzung.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Fingreenfingreen.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“Wir begleiten Spezialisten und Newcomer aus der Energie- und Umweltbranche bei der Strategieentwicklung und Finanzierung ihrer nachhaltigen Projekte.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Decent.Consulting Gmbhdecent-consulting.com HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“decent.consulting ist eine spezialisierte Beratung für Datenschutz und KI Compliance mit Sitz in Wien.” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Holbold Consulting E.Uholbold.at HQ: Vienna, AustriaReported employees: 1-10 | Vienna, Austria | 1-10 | Exact match | 2 contacts → |
“International team of experts, led by a team-leader with over 20 years of international experience (SEE and DACH region) in the environmental and construction industry, energy and…” Recorded description excerpt · September 29, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 54 company matches
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Project management consulting clean energy companies: 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
53 records in the displayed employee bands.
1 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.
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 project management consulting clean energy companies?
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 project management consulting clean energy companies did RevenueBase find based in Vienna, Austria?
The saved snapshot records 54 matching company records, 542 tracked contacts and 270 verified emails. The public preview displays 25 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.
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Cite this list
RevenueBase Data Team. Top 25 project management consulting clean energy companies based in Vienna, Austria. Snapshot: September 29, 2026. https://revenuebase.ai/companies/project-management-consulting-clean-energy-companies/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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