Company lists · Data refreshed October 2026
Top 23 Energy efficiency engineering firms based in Hamburg, Germany
RevenueBase identified 57 company matches for energy efficiency engineering firms associated with Hamburg, Germany as of October 2026 and tracks 503 professional contacts across them, including 209 with verified work emails. Across Germany, Berlin is the largest hub for this category (108 companies); Hamburg has 57.
This list covers company matches for energy efficiency engineering firms associated with Hamburg, 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 23 largest energy efficiency engineering firms based in Hamburg, Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 40 contacts → | ||||
Exact match “Seit mehr als 65 Jahren sind wir als Ingenieurbüro für technische Gebäudeausrüstung ein verlässlicher Partner.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 2 | 39 contacts → | ||||
Exact match “Als Problemlöser und Beschleuniger für die Energiewende leisten wir unseren Beitrag als kreativer und kompetenter Partner.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 3 | 30 contacts → | ||||
Exact match “RENEWA ist dein unabhängiger Partner für energetische Sanierung.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 4 | 19 contacts → | ||||
Exact match “Die E1 Management Consulting GmbH mit Sitz in Hamburg ist eine auf die Energiewirtschaft spezialisierte deutsche Unternehmensberatung.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 5 | 18 contacts → | ||||
Exact match “Consulting businesses on Energy Efficiency and Renewable Energy UN Sustainable Development Goals and International Cooperation Envidatec offers consulting services on all things…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 6 | 15 contacts → | ||||
Exact match “Die REESE Ingenieure GmbH & Co.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 7 | 14 contacts → | ||||
Exact match “Bautechnik im Anlagenbau” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 8 | 9 contacts → | ||||
Exact match “Architecture & Planning” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 9 | 8 contacts → | ||||
Exact match “Mit unseren 360°-Lösungen, smarten Produkten und Services sind wir deutschlandweit Partner für nachhaltigen Mehrwert im Praxisalltag.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “In 1996 the company was founded by Dipl-Ing.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 12 | 6 contacts → | ||||
Exact match “Elbe Energie GmbH Energietechnik Energiehandel is a company based out of 14 Grimm, Hamburg, Germany.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “Sie beherrschen das Feuer!” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 14 | 5 contacts → | ||||
Exact match “Wir sind ein spezialisiertes Beratungsunternehmen für energieintensive Unternehmen und unterstützen unsere Kunden dabei, ihre Energiebeschaffung strategisch, kosteneffizient und…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 15 | 4 contacts → | ||||
Exact match “Die Dekarbonisierung des Immobilienbestands ist eine der wesentlichen Herausforderungen in den kommenden 20 Jahren.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 16 | 4 contacts → | ||||
Exact match “Eine ordentliche Hamburger Brise frischer Energie und Denkweisen in der Architektur.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 17 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “Das Erreichen von Nachhaltigkeitszielen steht heute mehr im Fokus denn je.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 19 | 2 contacts → | ||||
Exact match “Die EnMaS Deutsche Servicegesellschaft für Energiemanagement mbH ist spezialisiert auf Dienstleistungen rund um das Thema Energieeffizienz, Förderungen und erneuerbare Energien-…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 20 | 2 contacts → | ||||
Exact match “Nachhaltige Lösungen für Immobilienbesitzer, Hausverwaltungen und Investoren Unsere Leistungen sind speziell darauf ausgelegt, Ihre Immobilie zukunftssicher und effizient zu…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match “Die WaCo GmbH bietet der Industrie als unabhängiges Ingenieurbüro Kompetenz und umfangreiches Know-how zu folgenden Leistungen-Betriebskosteneinsparung -Energieeinsparung…” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match “EbIM - Energieberater & Ingenieure Muza – Ihr Partner rund ums Haus.” Recorded in the RevenueBase company graph · Oct 12, 2026 · View company records in RevenueBase | |||||
| 23 | 1 contacts → | ||||
Exact match Recorded description not available. 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 efficiency engineering firms”. 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 23 of 57 energy efficiency engineering firms based in Hamburg, Germany
See the full list, filter by size, metro and specialty, and access 209 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Energy efficiency engineering firms based in Hamburg, 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 Hamburg, so it is reported there. Company counts and contact totals on this page are exact for Hamburg, over 57 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 Hamburg, Germany whose business descriptions match “energy efficiency engineering firms” 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 209 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 efficiency engineering firms 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 efficiency engineering firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many energy efficiency engineering firms are there based in Hamburg, Germany?
RevenueBase identified 57 company matches for energy efficiency engineering firms associated with Hamburg, 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?
Pinck Ingenieure Consulting Gmbh & Co. KG 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 efficiency engineering firms?
Berlin leads Germany with 108 company records, followed by Munich (62) and Hamburg (57).
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 209 professional contacts with verified work emails tracked across these 57 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 57 energy efficiency engineering firms based in Hamburg, 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
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Energy efficiency engineering firms based in Buenos Aires, Argentina
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Company intelligence · public preview
Top 23 energy efficiency engineering firms based in Hamburg, Germany
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 57 matching company records for energy efficiency engineering firms based in Hamburg, Germany, with 503 tracked contacts and 209 verified work emails.
This public preview shows 23 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 23 energy efficiency engineering firms based in Hamburg, 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 | HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 40 contacts → |
“Seit mehr als 65 Jahren sind wir als Ingenieurbüro für technische Gebäudeausrüstung ein verlässlicher Partner.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Averdung Ingenieure & Berater Gmbhaverdung.deHQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 39 contacts → |
“Als Problemlöser und Beschleuniger für die Energiewende leisten wir unseren Beitrag als kreativer und kompetenter Partner.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Renewa Gmbhrenewa.deHQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 30 contacts → |
“RENEWA ist dein unabhängiger Partner für energetische Sanierung.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  E1 Management Consulting Gmbhe1-consulting.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 19 contacts → |
“Die E1 Management Consulting GmbH mit Sitz in Hamburg ist eine auf die Energiewirtschaft spezialisierte deutsche Unternehmensberatung.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Envidatecenvidatec.comHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 18 contacts → |
“Consulting businesses on Energy Efficiency and Renewable Energy UN Sustainable Development Goals and International Cooperation Envidatec offers consulting services on all things…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Reese Ingenieure Gmbh & Co. KGreese-ing.deHQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 15 contacts → |
“Die REESE Ingenieure GmbH & Co.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 14 contacts → |
“Bautechnik im Anlagenbau” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Coido Architectscoido.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 9 contacts → |
“Architecture & Planning” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  GMDgmd-gruppe.deHQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 8 contacts → |
“Mit unseren 360°-Lösungen, smarten Produkten und Services sind wir deutschlandweit Partner für nachhaltigen Mehrwert im Praxisalltag.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Klima Kontorklima-kontor.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 |  HKP Ingenieure Gmbhhkp-ingenieure.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 7 contacts → |
“In 1996 the company was founded by Dipl-Ing.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Elbe Energie Gmbhelbe-energie.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 6 contacts → |
“Elbe Energie GmbH Energietechnik Energiehandel is a company based out of 14 Grimm, Hamburg, Germany.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Tiede- & Niemann Ingenieurgesellschaft MBHtiede-niemann.deHQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 5 contacts → |
“Sie beherrschen das Feuer!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Faktor 3e Gmbhfaktor-3e.deHQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 5 contacts → |
“Wir sind ein spezialisiertes Beratungsunternehmen für energieintensive Unternehmen und unterstützen unsere Kunden dabei, ihre Energiebeschaffung strategisch, kosteneffizient und…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Urbainity Solutionsurbainity.euHQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 4 contacts → |
“Die Dekarbonisierung des Immobilienbestands ist eine der wesentlichen Herausforderungen in den kommenden 20 Jahren.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Baustudio 2punkt1 Gmbhbaustudio2punkt1.deHQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 4 contacts → |
“Eine ordentliche Hamburger Brise frischer Energie und Denkweisen in der Architektur.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Averdung Ingenieurgesellschaft MBHing-averdung.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 2 contacts → |
“Das Erreichen von Nachhaltigkeitszielen steht heute mehr im Fokus denn je.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 2 contacts → |
“Die EnMaS Deutsche Servicegesellschaft für Energiemanagement mbH ist spezialisiert auf Dienstleistungen rund um das Thema Energieeffizienz, Förderungen und erneuerbare Energien-…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Enerdomo Hamburghamburg.enerdomo.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 2 contacts → |
“Nachhaltige Lösungen für Immobilienbesitzer, Hausverwaltungen und Investoren Unsere Leistungen sind speziell darauf ausgelegt, Ihre Immobilie zukunftssicher und effizient zu…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Waco Wassertechnik Consult Gmbhwassertech.deHQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 1 contacts → |
“Die WaCo GmbH bietet der Industrie als unabhängiges Ingenieurbüro Kompetenz und umfangreiches Know-how zu folgenden Leistungen-Betriebskosteneinsparung -Energieeinsparung…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  EBIMebim-nord.deHQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 1 contacts → |
“EbIM - Energieberater & Ingenieure Muza – Ihr Partner rund ums Haus.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Fuhrmann Licht Gmbhfuhrmannconsulting.com HQ: Hamburg, GermanyReported employees: Not recorded | Hamburg, Germany | Not recorded | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 23 of 57 company matches
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Energy efficiency engineering firms: 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
55 records in the displayed employee bands.
2 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 Hamburg, so it is reported there. Company counts and contact totals on this page are exact for Hamburg, over 57 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 efficiency engineering firms by metro in Germany
Questions about this company list
What does Exact match mean for energy efficiency engineering firms?
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 efficiency engineering firms did RevenueBase find based in Hamburg, Germany?
The saved snapshot records 57 matching company records, 503 tracked contacts and 209 verified emails. The public preview displays 23 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 efficiency engineering firms by geography
- Energy efficiency engineering firms based in Buenos Aires, Argentina
- Energy efficiency engineering firms based in Melbourne, Australia
- Energy efficiency engineering firms based in Sydney, Australia
- Energy efficiency engineering firms based in Vienna, Austria
- Energy efficiency engineering firms based in Belo Horizonte, Brazil
- Energy efficiency engineering firms based in Curitiba, Brazil
- Energy efficiency engineering firms based in Rio De Janeiro, Brazil
- Energy efficiency engineering firms based in Sao Paulo, Brazil
- Energy efficiency engineering firms based in Calgary, Canada
- Energy efficiency engineering firms based in Edmonton, Canada
- Energy efficiency engineering firms based in Montreal, Canada
- Energy efficiency engineering firms based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 23 energy efficiency engineering firms based in Hamburg, Germany. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficiency-engineering-firms/germany/hamburg.
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 efficiency engineering firms based in Buenos Aires, Argentina
- Energy efficiency engineering firms based in Melbourne, Australia
- Energy efficiency engineering firms based in Sydney, Australia
- Energy efficiency engineering firms based in Vienna, Austria
- Energy efficiency engineering firms based in Belo Horizonte, Brazil
- Energy efficiency engineering firms based in Curitiba, Brazil
Company intelligence · public preview
Top 23 energy efficiency engineering firms based in Hamburg, Germany
RevenueBase records 57 matching company records for energy efficiency engineering firms based in Hamburg, Germany, with 503 tracked contacts and 209 verified work emails.
This public preview shows 23 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 23 energy efficiency engineering firms based in Hamburg, 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 | HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 40 contacts → |
“Seit mehr als 65 Jahren sind wir als Ingenieurbüro für technische Gebäudeausrüstung ein verlässlicher Partner.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Averdung Ingenieure & Berater Gmbhaverdung.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 39 contacts → |
“Als Problemlöser und Beschleuniger für die Energiewende leisten wir unseren Beitrag als kreativer und kompetenter Partner.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Renewa Gmbhrenewa.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 30 contacts → |
“RENEWA ist dein unabhängiger Partner für energetische Sanierung.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | E1 Management Consulting Gmbhe1-consulting.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 19 contacts → |
“Die E1 Management Consulting GmbH mit Sitz in Hamburg ist eine auf die Energiewirtschaft spezialisierte deutsche Unternehmensberatung.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Envidatecenvidatec.com HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 18 contacts → |
“Consulting businesses on Energy Efficiency and Renewable Energy UN Sustainable Development Goals and International Cooperation Envidatec offers consulting services on all things…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Reese Ingenieure Gmbh & Co. KGreese-ing.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 15 contacts → |
“Die REESE Ingenieure GmbH & Co.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 14 contacts → |
“Bautechnik im Anlagenbau” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Coido Architectscoido.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 9 contacts → |
“Architecture & Planning” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | GMDgmd-gruppe.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 8 contacts → |
“Mit unseren 360°-Lösungen, smarten Produkten und Services sind wir deutschlandweit Partner für nachhaltigen Mehrwert im Praxisalltag.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Klima Kontorklima-kontor.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 7 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 11 | HKP Ingenieure Gmbhhkp-ingenieure.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 7 contacts → |
“In 1996 the company was founded by Dipl-Ing.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Elbe Energie Gmbhelbe-energie.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 6 contacts → |
“Elbe Energie GmbH Energietechnik Energiehandel is a company based out of 14 Grimm, Hamburg, Germany.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Tiede- & Niemann Ingenieurgesellschaft MBHtiede-niemann.de HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 5 contacts → |
“Sie beherrschen das Feuer!” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Faktor 3e Gmbhfaktor-3e.de HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 5 contacts → |
“Wir sind ein spezialisiertes Beratungsunternehmen für energieintensive Unternehmen und unterstützen unsere Kunden dabei, ihre Energiebeschaffung strategisch, kosteneffizient und…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Urbainity Solutionsurbainity.eu HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 4 contacts → |
“Die Dekarbonisierung des Immobilienbestands ist eine der wesentlichen Herausforderungen in den kommenden 20 Jahren.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Baustudio 2punkt1 Gmbhbaustudio2punkt1.de HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 4 contacts → |
“Eine ordentliche Hamburger Brise frischer Energie und Denkweisen in der Architektur.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Averdung Ingenieurgesellschaft MBHing-averdung.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 18 | HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 2 contacts → |
“Das Erreichen von Nachhaltigkeitszielen steht heute mehr im Fokus denn je.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 2 contacts → |
“Die EnMaS Deutsche Servicegesellschaft für Energiemanagement mbH ist spezialisiert auf Dienstleistungen rund um das Thema Energieeffizienz, Förderungen und erneuerbare Energien-…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Enerdomo Hamburghamburg.enerdomo.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 2 contacts → |
“Nachhaltige Lösungen für Immobilienbesitzer, Hausverwaltungen und Investoren Unsere Leistungen sind speziell darauf ausgelegt, Ihre Immobilie zukunftssicher und effizient zu…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Waco Wassertechnik Consult Gmbhwassertech.de HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 1 contacts → |
“Die WaCo GmbH bietet der Industrie als unabhängiges Ingenieurbüro Kompetenz und umfangreiches Know-how zu folgenden Leistungen-Betriebskosteneinsparung -Energieeinsparung…” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | EBIMebim-nord.de HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 1 contacts → |
“EbIM - Energieberater & Ingenieure Muza – Ihr Partner rund ums Haus.” Recorded description excerpt · October 12, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Fuhrmann Licht Gmbhfuhrmannconsulting.com HQ: Hamburg, GermanyReported employees: Not recorded | Hamburg, Germany | Not recorded | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 23 of 57 company matches
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Energy efficiency engineering firms: 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
55 records in the displayed employee bands.
2 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 Hamburg, so it is reported there. Company counts and contact totals on this page are exact for Hamburg, over 57 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 efficiency engineering firms by metro in Germany
Questions about this company list
What does Exact match mean for energy efficiency engineering firms?
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 efficiency engineering firms did RevenueBase find based in Hamburg, Germany?
The saved snapshot records 57 matching company records, 503 tracked contacts and 209 verified emails. The public preview displays 23 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 23 energy efficiency engineering firms based in Hamburg, Germany. Snapshot: October 12, 2026. https://revenuebase.ai/companies/energy-efficiency-engineering-firms/germany/hamburg.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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