Company lists · Data refreshed September 2026
Top 25 Building energy optimization companies based in Germany
RevenueBase identified 770 company matches for building energy optimization companies associated with Germany as of September 2026 and tracks 8,619 professional contacts across them, including 2,913 with verified work emails. Berlin is the largest hub.
This list covers company matches for building energy optimization companies associated with 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 September 16, 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 building energy optimization companies based in Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,406 contacts → | ||||
Exact match “Wir geben Häusern eine Zukunft.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 2 | 1,021 contacts → | ||||
Exact match “Techem is a leading global energy service provider for the real estate sector and private homeowners.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 3 | 580 contacts → | ||||
Exact match “Our DNA are sustainable buildings As a Smart Building Solutioneer, we combine intelligent building technologies, data-based services, sustainable excellence and multiple synergy…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 4 | 162 contacts → | ||||
Exact match “At tado° we believe that unnecessarily wasting energy should be a thing of the past.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 5 | 155 contacts → | ||||
Exact match “Die PAUL Tech AG mit Sitz in Mannheim macht Bestandsimmobilien grün und werthaltig.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 6 | 132 contacts → | ||||
Exact match “Since 2017, ENVIRIA develops comprehensive, integrated energy solutions for commercial and industrial clients.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 7 | 128 contacts → | ||||
Exact match “1967 gegründet, sind wir heute nicht nur eines der führenden deutschen Unternehmen im gebäudetechnischen Anlagenbau, sondern vor allem auch überzeugte Klimaschützer.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 8 | 120 contacts → | ||||
Exact match “Since we at APROVIS have been developing solutions that make energy more efficient, sustainable and reliable.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 9 | 100 contacts → | ||||
Exact match “Based in Cologne (Germany) with over 100 employees, we operate Germany’s leading software solution for optimizing building operations.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 10 | 92 contacts → | ||||
Exact match “MVV Enamic bietet als B2B-Lösungseinheit der MVV Energie AG Geschäftskunden ganzheitliche Energielösungen aus einer Hand.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 11 | 87 contacts → | ||||
Exact match “Your partner for the energy transition in the real estate industry Since 2017, einhundert Energie GmbH has been supporting real estate companies in electrifying and decarbonizing…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 12 | 84 contacts → | ||||
Exact match “The energy-saving pilot for all boiler rooms.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 13 | 81 contacts → | ||||
Exact match “With about 14 million hours of operation, meteoviva is the leading provider for AI-based solutions for optimised building operations worldwide - and ISO 27001 certified.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 14 | 81 contacts → | ||||
Exact match “Wir wollen, dass so viele Immobilien wie möglich energieeffizient saniert werden.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 15 | 81 contacts → | ||||
Exact match “Wir als End-to-End Partner denken Energie ganzheitlich, wie kein anderer: Wir realisieren die Energieversorgung unserer Kunden als integriertes Gesamtsystem und übernehmen dabei…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 16 | 81 contacts → | ||||
Exact match “Pure Energy is a private clean-tech organization focusing on commercial optimization of renewable & BESS assets, energy trading, origination, and "hands-on" advisory services.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 17 | 80 contacts → | ||||
Exact match “ENLOC – Energiedienstleister der Wohnungswirtschaft Die Enloc bietet innovative Lösungen unter Einbeziehung erneuerbarer Energien im Rahmen der Wärmelieferung/Contracting.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 18 | 80 contacts → | ||||
Exact match “ecoplanet ist die weltweite erste Software für integriertes Energiemanagement: Verbrauchssteuerung, intelligente Beschaffung und Regulatorik an einem Ort & KI-basiert optimiert.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 19 | 78 contacts → | ||||
Exact match “As a technology leader in building automation, DEOS AG has been developing and producing innovative building automation and energy management systems “Made in Germany” with secure…” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 20 | 72 contacts → | ||||
Exact match “Seit über vier Jahrzehnten setzen Kunden auf innovative Energiespartechnik aus dem Hause ONI.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 21 | 56 contacts → | ||||
Exact match “CO2 emissions in the real estate sector must be reduced quickly.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 22 | 54 contacts → | ||||
Exact match “Limón ist Ihr Dienstleister und Lösungsanbieter für Energieeffizienz in der Industrie.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 23 | 53 contacts → | ||||
Exact match “End-to-end solution for energy retrofits and long-term ESG management.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 24 | 52 contacts → | ||||
Exact match “Wir sorgen für den optimalen Betrieb Ihrer Ladeinfrastruktur.” Recorded in the RevenueBase company graph · Sep 16, 2026 · View company records in RevenueBase | |||||
| 25 | 51 contacts → | ||||
Exact match “Revolutionizing the energy market and promoting renewable energies as a tech company?” Recorded in the RevenueBase company graph · Sep 16, 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 “building energy optimization 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 770 building energy optimization companies based in Germany
See the full list, filter by size, metro and specialty, and access 2,913 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Building energy optimization companies based in Germany at a glance
As of Sep 16, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 770 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 Germany whose business descriptions match “building energy optimization 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 2,913 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 16, 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 “building energy optimization companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many building energy optimization companies are there based in Germany?
RevenueBase identified 770 company matches for building energy optimization companies associated with Germany 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?
ISTA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most building energy optimization companies?
Berlin leads with 70 company records, followed by Munich (42) and Hamburg (29).
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 2,913 professional contacts with verified work emails tracked across these 770 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 16, 2026.
Ready to reach these companies? Verified emails and direct dials for all 770 building energy optimization companies based in Germany. Start with a free account, no credit card.
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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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- New lists
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Company intelligence · public preview
Top 25 building energy optimization companies based in Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 770 matching company records for building energy optimization companies based in Germany, with 8,619 tracked contacts and 2,913 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 16, 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 building energy optimization companies based in 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 |  ISTAista.lyHQ: Essen, GermanyReported employees: 5,001-10,000 | Essen, Germany | 5,001-10,000 | Exact match | 1,406 contacts → |
“Wir geben Häusern eine Zukunft.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Techem Energy Services Gmbhtechem.comHQ: Eschborn, GermanyReported employees: 1,001-5,000 | Eschborn, Germany | 1,001-5,000 | Exact match | 1,021 contacts → |
“Techem is a leading global energy service provider for the real estate sector and private homeowners.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Kieback&peterkieback-peter.comHQ: Berlin, GermanyReported employees: 1,001-5,000 | Berlin, Germany | 1,001-5,000 | Exact match | 580 contacts → |
“Our DNA are sustainable buildings As a Smart Building Solutioneer, we combine intelligent building technologies, data-based services, sustainable excellence and multiple synergy…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  TADOtado.comHQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 162 contacts → |
“At tado° we believe that unnecessarily wasting energy should be a thing of the past.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Paul Tech AGpaul.techHQ: Mannheim, GermanyReported employees: 51-200 | Mannheim, Germany | 51-200 | Exact match | 155 contacts → |
“Die PAUL Tech AG mit Sitz in Mannheim macht Bestandsimmobilien grün und werthaltig.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Enviriaenviria.energyHQ: Frankfurt, GermanyReported employees: 51-200 | Frankfurt, Germany | 51-200 | Exact match | 132 contacts → |
“Since 2017, ENVIRIA develops comprehensive, integrated energy solutions for commercial and industrial clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Otto Building Technologies Gmbhottoindustries.comHQ: Bad Berleburg, GermanyReported employees: 501-1,000 | Bad Berleburg, Germany | 501-1,000 | Exact match | 128 contacts → |
“1967 gegründet, sind wir heute nicht nur eines der führenden deutschen Unternehmen im gebäudetechnischen Anlagenbau, sondern vor allem auch überzeugte Klimaschützer.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Aprovis Energy Systems Gmbhaprovis.comHQ: Weidenbach, GermanyReported employees: 201-500 | Weidenbach, Germany | 201-500 | Exact match | 120 contacts → |
“Since we at APROVIS have been developing solutions that make energy more efficient, sustainable and reliable.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Aedifionaedifion.comHQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 100 contacts → |
“Based in Cologne (Germany) with over 100 employees, we operate Germany’s leading software solution for optimizing building operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  MVV Enamic Gmbhpartner.mvv.deHQ: Mannheim, GermanyReported employees: 201-500 | Mannheim, Germany | 201-500 | Exact match | 92 contacts → |
“MVV Enamic bietet als B2B-Lösungseinheit der MVV Energie AG Geschäftskunden ganzheitliche Energielösungen aus einer Hand.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Einhunderteinhundert.deHQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 87 contacts → |
“Your partner for the energy transition in the real estate industry Since 2017, einhundert Energie GmbH has been supporting real estate companies in electrifying and decarbonizing…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Green Fusiongreen-fusion.deHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 84 contacts → |
“The energy-saving pilot for all boiler rooms.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Meteovivameteoviva.comHQ: 52064 Aachen, GermanyReported employees: 51-200 | 52064 Aachen, Germany | 51-200 | Exact match | 81 contacts → |
“With about 14 million hours of operation, meteoviva is the leading provider for AI-based solutions for optimised building operations worldwide - and ISO 27001 certified.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fuchs & Eulefuchs-eule.de HQ: Metropolregion Berlin/brandenburg, GermanyReported employees: 51-200 | Metropolregion Berlin/brandenburg, Germany | 51-200 | Exact match | 81 contacts → |
“Wir wollen, dass so viele Immobilien wie möglich energieeffizient saniert werden.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Greenflashgreenflash.deHQ: Essen, GermanyReported employees: 51-200 | Essen, Germany | 51-200 | Exact match | 81 contacts → |
“Wir als End-to-End Partner denken Energie ganzheitlich, wie kein anderer: Wir realisieren die Energieversorgung unserer Kunden als integriertes Gesamtsystem und übernehmen dabei…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Pure Energypureenergy.deHQ: Düsseldorf, GermanyReported employees: 51-200 | Düsseldorf, Germany | 51-200 | Exact match | 81 contacts → |
“Pure Energy is a private clean-tech organization focusing on commercial optimization of renewable & BESS assets, energy trading, origination, and "hands-on" advisory services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Enloc AGenloc.deHQ: Dresden, GermanyReported employees: 51-200 | Dresden, Germany | 51-200 | Exact match | 80 contacts → |
“ENLOC – Energiedienstleister der Wohnungswirtschaft Die Enloc bietet innovative Lösungen unter Einbeziehung erneuerbarer Energien im Rahmen der Wärmelieferung/Contracting.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Ecoplanetecoplanet.techHQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 80 contacts → |
“ecoplanet ist die weltweite erste Software für integriertes Energiemanagement: Verbrauchssteuerung, intelligente Beschaffung und Regulatorik an einem Ort & KI-basiert optimiert.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Deos AGdeos-ag.comHQ: Rheine, GermanyReported employees: 51-200 | Rheine, Germany | 51-200 | Exact match | 78 contacts → |
“As a technology leader in building automation, DEOS AG has been developing and producing innovative building automation and energy management systems “Made in Germany” with secure…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Oni-Wärmetrafo Gmbhoni.deHQ: Lindlar, GermanyReported employees: 201-500 | Lindlar, Germany | 201-500 | Exact match | 72 contacts → |
“Seit über vier Jahrzehnten setzen Kunden auf innovative Energiespartechnik aus dem Hause ONI.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Metiundo Gmbhmetiundo.ioHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 56 contacts → |
“CO2 emissions in the real estate sector must be reduced quickly.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Limón Gmbhlimon-gmbh.deHQ: Kassel, GermanyReported employees: 51-200 | Kassel, Germany | 51-200 | Exact match | 54 contacts → |
“Limón ist Ihr Dienstleister und Lösungsanbieter für Energieeffizienz in der Industrie.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Purpose Greenpurpose-green.comHQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 53 contacts → |
“End-to-end solution for energy retrofits and long-term ESG management.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  CUBOScubos.comHQ: Wolfsburg, GermanyReported employees: 51-200 | Wolfsburg, Germany | 51-200 | Exact match | 52 contacts → |
“Wir sorgen für den optimalen Betrieb Ihrer Ladeinfrastruktur.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Optimax Energy Gmbhoptimax-energy.deHQ: Leipzig, GermanyReported employees: 11-50 | Leipzig, Germany | 11-50 | Exact match | 51 contacts → |
“Revolutionizing the energy market and promoting renewable energies as a tech company?” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 770 company matches
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Building energy optimization companies: dataset insights
September 16, 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
744 records in the displayed employee bands.
26 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 worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 770 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 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 building energy optimization 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 building energy optimization companies did RevenueBase find based in Germany?
The saved snapshot records 770 matching company records, 8,619 tracked contacts and 2,913 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 16, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
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- Building energy optimization companies based in Montreal, Canada
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- Building energy optimization companies based in Milan, Italy
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- Building energy optimization companies based in Madrid, Spain
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Cite this list
RevenueBase Data Team. Top 25 building energy optimization companies based in Germany. Snapshot: September 16, 2026. https://revenuebase.ai/companies/building-energy-optimization-companies/germany.
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
- Building energy optimization companies based in Rio De Janeiro, Brazil
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- Building energy optimization companies based in Calgary, Canada
- Building energy optimization companies based in Montreal, Canada
- Building energy optimization companies based in Toronto, Canada
- Building energy optimization companies based in Vancouver, Canada
Company intelligence · public preview
Top 25 building energy optimization companies based in Germany
RevenueBase records 770 matching company records for building energy optimization companies based in Germany, with 8,619 tracked contacts and 2,913 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 16, 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 building energy optimization companies based in 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 | ISTAista.ly HQ: Essen, GermanyReported employees: 5,001-10,000 | Essen, Germany | 5,001-10,000 | Exact match | 1,406 contacts → |
“Wir geben Häusern eine Zukunft.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Techem Energy Services Gmbhtechem.com HQ: Eschborn, GermanyReported employees: 1,001-5,000 | Eschborn, Germany | 1,001-5,000 | Exact match | 1,021 contacts → |
“Techem is a leading global energy service provider for the real estate sector and private homeowners.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kieback&peterkieback-peter.com HQ: Berlin, GermanyReported employees: 1,001-5,000 | Berlin, Germany | 1,001-5,000 | Exact match | 580 contacts → |
“Our DNA are sustainable buildings As a Smart Building Solutioneer, we combine intelligent building technologies, data-based services, sustainable excellence and multiple synergy…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | TADOtado.com HQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 162 contacts → |
“At tado° we believe that unnecessarily wasting energy should be a thing of the past.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Paul Tech AGpaul.tech HQ: Mannheim, GermanyReported employees: 51-200 | Mannheim, Germany | 51-200 | Exact match | 155 contacts → |
“Die PAUL Tech AG mit Sitz in Mannheim macht Bestandsimmobilien grün und werthaltig.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Enviriaenviria.energy HQ: Frankfurt, GermanyReported employees: 51-200 | Frankfurt, Germany | 51-200 | Exact match | 132 contacts → |
“Since 2017, ENVIRIA develops comprehensive, integrated energy solutions for commercial and industrial clients.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Otto Building Technologies Gmbhottoindustries.com HQ: Bad Berleburg, GermanyReported employees: 501-1,000 | Bad Berleburg, Germany | 501-1,000 | Exact match | 128 contacts → |
“1967 gegründet, sind wir heute nicht nur eines der führenden deutschen Unternehmen im gebäudetechnischen Anlagenbau, sondern vor allem auch überzeugte Klimaschützer.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Aprovis Energy Systems Gmbhaprovis.com HQ: Weidenbach, GermanyReported employees: 201-500 | Weidenbach, Germany | 201-500 | Exact match | 120 contacts → |
“Since we at APROVIS have been developing solutions that make energy more efficient, sustainable and reliable.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Aedifionaedifion.com HQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 100 contacts → |
“Based in Cologne (Germany) with over 100 employees, we operate Germany’s leading software solution for optimizing building operations.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | MVV Enamic Gmbhpartner.mvv.de HQ: Mannheim, GermanyReported employees: 201-500 | Mannheim, Germany | 201-500 | Exact match | 92 contacts → |
“MVV Enamic bietet als B2B-Lösungseinheit der MVV Energie AG Geschäftskunden ganzheitliche Energielösungen aus einer Hand.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Einhunderteinhundert.de HQ: Cologne, GermanyReported employees: 51-200 | Cologne, Germany | 51-200 | Exact match | 87 contacts → |
“Your partner for the energy transition in the real estate industry Since 2017, einhundert Energie GmbH has been supporting real estate companies in electrifying and decarbonizing…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Green Fusiongreen-fusion.de HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 84 contacts → |
“The energy-saving pilot for all boiler rooms.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Meteovivameteoviva.com HQ: 52064 Aachen, GermanyReported employees: 51-200 | 52064 Aachen, Germany | 51-200 | Exact match | 81 contacts → |
“With about 14 million hours of operation, meteoviva is the leading provider for AI-based solutions for optimised building operations worldwide - and ISO 27001 certified.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Fuchs & Eulefuchs-eule.de HQ: Metropolregion Berlin/brandenburg, GermanyReported employees: 51-200 | Metropolregion Berlin/brandenburg, Germany | 51-200 | Exact match | 81 contacts → |
“Wir wollen, dass so viele Immobilien wie möglich energieeffizient saniert werden.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Greenflashgreenflash.de HQ: Essen, GermanyReported employees: 51-200 | Essen, Germany | 51-200 | Exact match | 81 contacts → |
“Wir als End-to-End Partner denken Energie ganzheitlich, wie kein anderer: Wir realisieren die Energieversorgung unserer Kunden als integriertes Gesamtsystem und übernehmen dabei…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Pure Energypureenergy.de HQ: Düsseldorf, GermanyReported employees: 51-200 | Düsseldorf, Germany | 51-200 | Exact match | 81 contacts → |
“Pure Energy is a private clean-tech organization focusing on commercial optimization of renewable & BESS assets, energy trading, origination, and "hands-on" advisory services.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Enloc AGenloc.de HQ: Dresden, GermanyReported employees: 51-200 | Dresden, Germany | 51-200 | Exact match | 80 contacts → |
“ENLOC – Energiedienstleister der Wohnungswirtschaft Die Enloc bietet innovative Lösungen unter Einbeziehung erneuerbarer Energien im Rahmen der Wärmelieferung/Contracting.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Ecoplanetecoplanet.tech HQ: Munich, GermanyReported employees: 51-200 | Munich, Germany | 51-200 | Exact match | 80 contacts → |
“ecoplanet ist die weltweite erste Software für integriertes Energiemanagement: Verbrauchssteuerung, intelligente Beschaffung und Regulatorik an einem Ort & KI-basiert optimiert.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Deos AGdeos-ag.com HQ: Rheine, GermanyReported employees: 51-200 | Rheine, Germany | 51-200 | Exact match | 78 contacts → |
“As a technology leader in building automation, DEOS AG has been developing and producing innovative building automation and energy management systems “Made in Germany” with secure…” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Oni-Wärmetrafo Gmbhoni.de HQ: Lindlar, GermanyReported employees: 201-500 | Lindlar, Germany | 201-500 | Exact match | 72 contacts → |
“Seit über vier Jahrzehnten setzen Kunden auf innovative Energiespartechnik aus dem Hause ONI.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Metiundo Gmbhmetiundo.io HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 56 contacts → |
“CO2 emissions in the real estate sector must be reduced quickly.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Limón Gmbhlimon-gmbh.de HQ: Kassel, GermanyReported employees: 51-200 | Kassel, Germany | 51-200 | Exact match | 54 contacts → |
“Limón ist Ihr Dienstleister und Lösungsanbieter für Energieeffizienz in der Industrie.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Purpose Greenpurpose-green.com HQ: Berlin, GermanyReported employees: 51-200 | Berlin, Germany | 51-200 | Exact match | 53 contacts → |
“End-to-end solution for energy retrofits and long-term ESG management.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | CUBOScubos.com HQ: Wolfsburg, GermanyReported employees: 51-200 | Wolfsburg, Germany | 51-200 | Exact match | 52 contacts → |
“Wir sorgen für den optimalen Betrieb Ihrer Ladeinfrastruktur.” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Optimax Energy Gmbhoptimax-energy.de HQ: Leipzig, GermanyReported employees: 11-50 | Leipzig, Germany | 11-50 | Exact match | 51 contacts → |
“Revolutionizing the energy market and promoting renewable energies as a tech company?” Recorded description excerpt · September 16, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Building energy optimization companies: dataset insights
September 16, 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
744 records in the displayed employee bands.
26 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 worldwide rather than for Germany, so it is reported there. Company counts and contact totals on this page are exact for Germany, over 770 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 16, 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 building energy optimization 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 building energy optimization companies did RevenueBase find based in Germany?
The saved snapshot records 770 matching company records, 8,619 tracked contacts and 2,913 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 16, 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 building energy optimization companies based in Germany. Snapshot: September 16, 2026. https://revenuebase.ai/companies/building-energy-optimization-companies/germany.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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