Company lists · Data refreshed October 2026
Top 25 Energy efficient infrastructure consultants based in Stuttgart, Germany
RevenueBase identified 48 company matches for energy efficient infrastructure consultants associated with Stuttgart, Germany as of October 2026 and tracks 6,008 professional contacts across them, including 2,997 with verified work emails. Across Germany, Berlin is the largest hub for this category (131 companies); Stuttgart has 48.
This list covers company matches for energy efficient infrastructure consultants associated with Stuttgart, Germany, 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 October 12, 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 energy efficient infrastructure consultants based in Stuttgart, Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 3,469 contacts → | ||||
Exact match “Uniting opposites to create a world we want to live in Drees & Sommer is a partner-managed, global consulting company providing a single source of consultation and implementation…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 1,349 contacts → | ||||
Exact match “As a leading, independent engineering and consultancy enterprise active in the sectors of energy and infrastructure, Fichtner handles challenging projects in countries all over…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 225 contacts → | ||||
Exact match “Structural Consulting Engineers Consulting Engineers for Renewable Energy and Solar Power Technology Checking Engineers for Stability und Structural Engineering Our focus lies on…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 90 contacts → | ||||
Exact match “Seit Jahrzehnten steht RBS wave für zuverlässiges und innovatives Know-how im Bereich Ingenieurdienstleistungen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 87 contacts → | ||||
Exact match “Herausforderungen von Heute als Chancen für Morgen nutzen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 69 contacts → | ||||
Exact match “High Comfort – Low Impact Transsolar KlimaEngineering ist ein international tätiges Ingenieurbüro.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 48 contacts → | ||||
Exact match “Wir entwickeln energieeffiziente Gebäude und klimaneutrale Quartiere für die Zukunft.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 38 contacts → | ||||
Exact match “a+r Architekten stehen für eine solide, umweltverträgliche und zukunftsorientierte Architektur mit einer überzeugenden Expertise im Bereich des nachhaltigen Bauens – auch im…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 32 contacts → | ||||
Exact match “Energy-efficient building renovations are complex.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 22 contacts → | ||||
Exact match “We love energy.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 14 contacts → | ||||
Exact match “We are engineers who stand for building culture and who care about the future of mankind and our environment on earth!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 14 contacts → | ||||
Exact match “PKi ist eine Ingenieurgesellschaft für die Entwicklung, Planung und Umsetzung nachhaltiger Gebäude mit Standorten in Stuttgart und Köln.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 12 contacts → | ||||
Exact match “CMC Sustainability - Partner for Progress CMC ist Partner für Unternehmen und Kommunen, wenn es um individuelle und passgenaue Projekte rund um die Themen Nachhaltigkeit, Umwelt-…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 12 contacts → | ||||
Exact match “Easy to reach, we share our extensive knowledge and never owe an answer.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 15 | 9 contacts → | ||||
Exact match “Weiske und Partner GmbH - Beratende Ingenieure VBI Mit unseren hochqualifizierten Mitarbeiter*innen und unserer langjährigen Erfahrung entwickeln wir innovative, nachhaltige und…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “BKSi GmbH Wir sind eine führende Ingenieurgesellschaft für Beratung und Planung im Bauwesen.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 6 contacts → | ||||
Exact match “Herzlich Willkommen am Institut Stadt|Mobilität|Energie!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 4 contacts → | ||||
Exact match “Ihre Individuelle Energieberatung und Partner bei der Umsetzung energetischer Maßnahmen an Ihrer Immobilie.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 3 contacts → | ||||
Exact match “Architektur · Energieberatung · Stadtplanung” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 3 contacts → | ||||
Exact match “architekturagentur is a mechanical or industrial engineering company based out of 131 Breitscheidstr, Stuttgart, Germany.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 3 contacts → | ||||
Exact match “EGSplan international is an innovative engineering firm with more than 25 years of experience in energy-efficient and sustainable design.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match “FLAMMIA Engineering & Consulting GmbH ist ein innovatives und qualifiziertes Dienstleisterbüro mit Sitz in Stuttgart und München.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 24 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 25 | 1 contacts → | ||||
Exact match “Die Energa-plan GmbH erbringt Beratungs- und Planungsleistungen in der technischen Gebäudeausrüstung und im Themenfeld Energieeffizienz.” Recorded in the RevenueBase company graph · Oct 12, 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 “energy efficient infrastructure 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 25 of 48 energy efficient infrastructure consultants based in Stuttgart, Germany
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Energy efficient infrastructure consultants based in Stuttgart, Germany at a glance
As of Oct 12, 2026Companies by employee count
Email recency for this list is measured across the whole Germany list rather than for Stuttgart, so it is reported there. Company counts and contact totals on this page are exact for Stuttgart, over 48 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 Stuttgart, Germany whose business descriptions match “energy efficient infrastructure 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 2,997 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 October 12, 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.
Energy efficient infrastructure consultants by metro in Germany
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 “energy efficient infrastructure consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficient infrastructure consultants are there based in Stuttgart, Germany?
RevenueBase identified 48 company matches for energy efficient infrastructure consultants associated with Stuttgart, Germany as of October 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?
Drees & Sommer tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Germany has the most energy efficient infrastructure consultants?
Berlin leads Germany with 131 company records, followed by Munich (87) and Hamburg (67). Stuttgart has 48.
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 2,997 professional contacts with verified work emails tracked across these 48 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 October 12, 2026.
Ready to reach these companies? Verified emails and direct dials for all 48 energy efficient infrastructure consultants based in Stuttgart, Germany. 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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- Lists by location
- Lists A-Z
- New lists
- Energy efficient infrastructure consultants based in Buenos Aires, Argentina
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Company intelligence · public preview
Top 25 energy efficient infrastructure consultants based in Stuttgart, Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 48 matching company records for energy efficient infrastructure consultants based in Stuttgart, Germany, with 6,008 tracked contacts and 2,997 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: October 12, 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 energy efficient infrastructure consultants based in Stuttgart, Germany
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 |  Drees & Sommerdreso.comHQ: Stuttgart, GermanyReported employees: 5,001-10,000 | Stuttgart, Germany | 5,001-10,000 | Exact match | 3,469 contacts → |
“Uniting opposites to create a world we want to live in Drees & Sommer is a partner-managed, global consulting company providing a single source of consultation and implementation…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Fichtnerfichtner.deHQ: Stuttgart, GermanyReported employees: 1,001-5,000 | Stuttgart, Germany | 1,001-5,000 | Exact match | 1,349 contacts → |
“As a leading, independent engineering and consultancy enterprise active in the sectors of energy and infrastructure, Fichtner handles challenging projects in countries all over…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Stuttgart, GermanyReported employees: 201-500 | Stuttgart, Germany | 201-500 | Exact match | 225 contacts → |
“Structural Consulting Engineers Consulting Engineers for Renewable Energy and Solar Power Technology Checking Engineers for Stability und Structural Engineering Our focus lies on…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  RBS Wave Gmbhrbs-wave.deHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 90 contacts → |
“Seit Jahrzehnten steht RBS wave für zuverlässiges und innovatives Know-how im Bereich Ingenieurdienstleistungen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 87 contacts → |
“Herausforderungen von Heute als Chancen für Morgen nutzen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Transsolar Klimaengineeringtranssolar.comHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 69 contacts → |
“High Comfort – Low Impact Transsolar KlimaEngineering ist ein international tätiges Ingenieurbüro.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Egs-Plan Gmbhegs-plan.deHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 48 contacts → |
“Wir entwickeln energieeffiziente Gebäude und klimaneutrale Quartiere für die Zukunft.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  A R Architekten Gmbhaplusr.deHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 38 contacts → |
“a+r Architekten stehen für eine solide, umweltverträgliche und zukunftsorientierte Architektur mit einer überzeugenden Expertise im Bereich des nachhaltigen Bauens – auch im…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Effizienzpioniereeffizienzpioniere.deHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 32 contacts → |
“Energy-efficient building renovations are complex.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Newvation Gmbhnewvation.deHQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 22 contacts → |
“We love energy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  C4 Engineersc4engineers.comHQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 14 contacts → |
“We are engineers who stand for building culture and who care about the future of mankind and our environment on earth!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  PKI Holistic Engineeringpk-i.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 14 contacts → |
“PKi ist eine Ingenieurgesellschaft für die Entwicklung, Planung und Umsetzung nachhaltiger Gebäude mit Standorten in Stuttgart und Köln.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  CMC Sustainability Gmbhcmc-sustainability.comHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 12 contacts → |
“CMC Sustainability - Partner for Progress CMC ist Partner für Unternehmen und Kommunen, wenn es um individuelle und passgenaue Projekte rund um die Themen Nachhaltigkeit, Umwelt-…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ean50 Gmbhean50.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 12 contacts → |
“Easy to reach, we share our extensive knowledge and never owe an answer.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Weiske UND Partnerweiske-partner.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 9 contacts → |
“Weiske und Partner GmbH - Beratende Ingenieure VBI Mit unseren hochqualifizierten Mitarbeiter*innen und unserer langjährigen Erfahrung entwickeln wir innovative, nachhaltige und…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 8 contacts → |
“BKSi GmbH Wir sind eine führende Ingenieurgesellschaft für Beratung und Planung im Bauwesen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 6 contacts → |
“Herzlich Willkommen am Institut Stadt|Mobilität|Energie!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Energieberatung Rommel Gmbhenergieberatung-rommel.deHQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 4 contacts → |
“Ihre Individuelle Energieberatung und Partner bei der Umsetzung energetischer Maßnahmen an Ihrer Immobilie.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Schott Architektenschottarchitekten.deHQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 3 contacts → |
“Architektur · Energieberatung · Stadtplanung” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Architekturagenturarchitekturagentur.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 3 contacts → |
“architekturagentur is a mechanical or industrial engineering company based out of 131 Breitscheidstr, Stuttgart, Germany.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Inekoninekon.de HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Egs-Plan International Gmbhegs-int.comHQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 3 contacts → |
“EGSplan international is an innovative engineering firm with more than 25 years of experience in energy-efficient and sustainable design.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Flammia Engineering & Consulting Gmbhflammia.deHQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 1 contacts → |
“FLAMMIA Engineering & Consulting GmbH ist ein innovatives und qualifiziertes Dienstleisterbüro mit Sitz in Stuttgart und München.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Hastolz Architekten & Ingenieure Gmbhhastolz.de HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 |  Energa-Planenerga-plan.deHQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 1 contacts → |
“Die Energa-plan GmbH erbringt Beratungs- und Planungsleistungen in der technischen Gebäudeausrüstung und im Themenfeld Energieeffizienz.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 48 company matches
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Energy efficient infrastructure consultants: dataset insights
October 12, 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
48 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 Germany list rather than for Stuttgart, so it is reported there. Company counts and contact totals on this page are exact for Stuttgart, over 48 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: October 12, 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 ↗
Energy efficient infrastructure consultants by metro in Germany
Questions about this company list
What does Exact match mean for energy efficient infrastructure 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 energy efficient infrastructure consultants did RevenueBase find based in Stuttgart, Germany?
The saved snapshot records 48 matching company records, 6,008 tracked contacts and 2,997 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: October 12, 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
Energy efficient infrastructure consultants by geography
- Energy efficient infrastructure consultants based in Buenos Aires, Argentina
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- Energy efficient infrastructure consultants based in Melbourne, Australia
- Energy efficient infrastructure consultants based in Perth, Australia
- Energy efficient infrastructure consultants based in Sydney, Australia
- Energy efficient infrastructure consultants based in Vienna, Austria
- Energy efficient infrastructure consultants based in Brussels, Belgium
- Energy efficient infrastructure consultants based in Belo Horizonte, Brazil
- Energy efficient infrastructure consultants based in Campinas, Brazil
- Energy efficient infrastructure consultants based in Curitiba, Brazil
- Energy efficient infrastructure consultants based in Porto Alegre, Brazil
- Energy efficient infrastructure consultants based in Recife, Brazil
Cite this list
RevenueBase Data Team. Top 25 energy efficient infrastructure consultants based in Stuttgart, Germany. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficient-infrastructure-consultants/germany/stuttgart.
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
- Energy efficient infrastructure consultants based in Buenos Aires, Argentina
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- Energy efficient infrastructure consultants based in Melbourne, Australia
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Company intelligence · public preview
Top 25 energy efficient infrastructure consultants based in Stuttgart, Germany
RevenueBase records 48 matching company records for energy efficient infrastructure consultants based in Stuttgart, Germany, with 6,008 tracked contacts and 2,997 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: October 12, 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 energy efficient infrastructure consultants based in Stuttgart, Germany
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 | Drees & Sommerdreso.com HQ: Stuttgart, GermanyReported employees: 5,001-10,000 | Stuttgart, Germany | 5,001-10,000 | Exact match | 3,469 contacts → |
“Uniting opposites to create a world we want to live in Drees & Sommer is a partner-managed, global consulting company providing a single source of consultation and implementation…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Fichtnerfichtner.de HQ: Stuttgart, GermanyReported employees: 1,001-5,000 | Stuttgart, Germany | 1,001-5,000 | Exact match | 1,349 contacts → |
“As a leading, independent engineering and consultancy enterprise active in the sectors of energy and infrastructure, Fichtner handles challenging projects in countries all over…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: Stuttgart, GermanyReported employees: 201-500 | Stuttgart, Germany | 201-500 | Exact match | 225 contacts → |
“Structural Consulting Engineers Consulting Engineers for Renewable Energy and Solar Power Technology Checking Engineers for Stability und Structural Engineering Our focus lies on…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | RBS Wave Gmbhrbs-wave.de HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 90 contacts → |
“Seit Jahrzehnten steht RBS wave für zuverlässiges und innovatives Know-how im Bereich Ingenieurdienstleistungen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 87 contacts → |
“Herausforderungen von Heute als Chancen für Morgen nutzen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Transsolar Klimaengineeringtranssolar.com HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 69 contacts → |
“High Comfort – Low Impact Transsolar KlimaEngineering ist ein international tätiges Ingenieurbüro.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Egs-Plan Gmbhegs-plan.de HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 48 contacts → |
“Wir entwickeln energieeffiziente Gebäude und klimaneutrale Quartiere für die Zukunft.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | A R Architekten Gmbhaplusr.de HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 38 contacts → |
“a+r Architekten stehen für eine solide, umweltverträgliche und zukunftsorientierte Architektur mit einer überzeugenden Expertise im Bereich des nachhaltigen Bauens – auch im…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Effizienzpioniereeffizienzpioniere.de HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 32 contacts → |
“Energy-efficient building renovations are complex.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Newvation Gmbhnewvation.de HQ: Stuttgart, GermanyReported employees: 51-200 | Stuttgart, Germany | 51-200 | Exact match | 22 contacts → |
“We love energy.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | C4 Engineersc4engineers.com HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 14 contacts → |
“We are engineers who stand for building culture and who care about the future of mankind and our environment on earth!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | PKI Holistic Engineeringpk-i.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 14 contacts → |
“PKi ist eine Ingenieurgesellschaft für die Entwicklung, Planung und Umsetzung nachhaltiger Gebäude mit Standorten in Stuttgart und Köln.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | CMC Sustainability Gmbhcmc-sustainability.com HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 12 contacts → |
“CMC Sustainability - Partner for Progress CMC ist Partner für Unternehmen und Kommunen, wenn es um individuelle und passgenaue Projekte rund um die Themen Nachhaltigkeit, Umwelt-…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ean50 Gmbhean50.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 12 contacts → |
“Easy to reach, we share our extensive knowledge and never owe an answer.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Weiske UND Partnerweiske-partner.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 9 contacts → |
“Weiske und Partner GmbH - Beratende Ingenieure VBI Mit unseren hochqualifizierten Mitarbeiter*innen und unserer langjährigen Erfahrung entwickeln wir innovative, nachhaltige und…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 8 contacts → |
“BKSi GmbH Wir sind eine führende Ingenieurgesellschaft für Beratung und Planung im Bauwesen.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 6 contacts → |
“Herzlich Willkommen am Institut Stadt|Mobilität|Energie!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Energieberatung Rommel Gmbhenergieberatung-rommel.de HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 4 contacts → |
“Ihre Individuelle Energieberatung und Partner bei der Umsetzung energetischer Maßnahmen an Ihrer Immobilie.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Schott Architektenschottarchitekten.de HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 3 contacts → |
“Architektur · Energieberatung · Stadtplanung” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Architekturagenturarchitekturagentur.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 3 contacts → |
“architekturagentur is a mechanical or industrial engineering company based out of 131 Breitscheidstr, Stuttgart, Germany.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Inekoninekon.de HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Egs-Plan International Gmbhegs-int.com HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 3 contacts → |
“EGSplan international is an innovative engineering firm with more than 25 years of experience in energy-efficient and sustainable design.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Flammia Engineering & Consulting Gmbhflammia.de HQ: Stuttgart, GermanyReported employees: 11-50 | Stuttgart, Germany | 11-50 | Exact match | 1 contacts → |
“FLAMMIA Engineering & Consulting GmbH ist ein innovatives und qualifiziertes Dienstleisterbüro mit Sitz in Stuttgart und München.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Hastolz Architekten & Ingenieure Gmbhhastolz.de HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 25 | Energa-Planenerga-plan.de HQ: Stuttgart, GermanyReported employees: 1-10 | Stuttgart, Germany | 1-10 | Exact match | 1 contacts → |
“Die Energa-plan GmbH erbringt Beratungs- und Planungsleistungen in der technischen Gebäudeausrüstung und im Themenfeld Energieeffizienz.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Energy efficient infrastructure consultants: dataset insights
October 12, 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
48 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 Germany list rather than for Stuttgart, so it is reported there. Company counts and contact totals on this page are exact for Stuttgart, over 48 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: October 12, 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 ↗
Energy efficient infrastructure consultants by metro in Germany
Questions about this company list
What does Exact match mean for energy efficient infrastructure 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 energy efficient infrastructure consultants did RevenueBase find based in Stuttgart, Germany?
The saved snapshot records 48 matching company records, 6,008 tracked contacts and 2,997 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: October 12, 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 energy efficient infrastructure consultants based in Stuttgart, Germany. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficient-infrastructure-consultants/germany/stuttgart.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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