Company lists · Data refreshed November 2026
Top 19 Green energy system integrators based in Hamburg, Germany
RevenueBase identified 87 company matches for green energy system integrators associated with Hamburg, Germany as of November 2026 and tracks 3,105 professional contacts across them, including 1,478 with verified work emails. Across Germany, Berlin is the largest hub for this category (209 companies); Hamburg has 87.
This list covers company matches for green energy system integrators 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 November 6, 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 19 largest green energy system integrators based in Hamburg, Germany
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,084 contacts → | ||||
Exact match “1KOMMA5° wurde gegründet um Millionen Gebäude in Europa klimaneutral immer mit dem günstigsten Strom zu versorgen - ganz ohne fossile Energie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 203 contacts → | ||||
Exact match “greentech is an integrated solar and storage specialist: The areas of business include project development, design, construction, and operational management of photovoltaic (PV)…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 201 contacts → | ||||
Exact match “Wir sind Ihr Partner für die smarte Energiewende in der Wohnimmobilie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 52 contacts → | ||||
Exact match “encentive helps industrial companies reduce energy costs and CO₂ emissions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 49 contacts → | ||||
Exact match “EHA wurde bereits 1998 als Joint Venture der damaligen Hamburgische Electricitäts-Werke AG (HEW) und der REWE Group gegründet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 40 contacts → | ||||
Exact match “Whether for system operators, business customers or trading partners: Sunnic takes care of optimal marketing and supply structures for renewable energies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 31 contacts → | ||||
Exact match “Unsere Mission: nachhaltige Energieversorgung in der Immobilienwirtschaft für ALLE einfach und gewinnorientiert umzusetzen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 31 contacts → | ||||
Exact match “With the most advanced Energy as a Service solution, we seamlessly connect our partners and their products to the energy market unlocking the flex potential of decentralized…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 31 contacts → | ||||
Exact match “Home of Solar ist Ihr Partner für großflächige PV-Anlagen.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 19 contacts → | ||||
Exact match “Wir - die Green Planet Projects GmbH (früher: Planet energy GmbH)- sind eine 100%ige Tochter der Green Planet Energy eG, einer der größten Energiegenossenschaften Deutschlands.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 19 contacts → | ||||
Exact match “CALOR ENERGY is a Germany-wide partner for integrated and economically viable energy solutions across residential real estate, commercial properties, and private investment…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 13 contacts → | ||||
Exact match “Die Energie für jetzt!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “YOUR TRUSTED EPC PARTNER FOR PV PROJECTS At Teos Energy, we take immense pride in providing a complete suite of EPC services tailored to your diverse PV projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Wir bei SOLIZER sind Ihr vertrauenswürdiger Partner und Projektentwickler für Solarkraftwerke in Deutschland und weltweit.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 10 contacts → | ||||
Exact match “WiNRG GmbH is a company specialising in the renewable energy sector based in Hamburg.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 10 contacts → | ||||
Exact match “Solytic is one of Europe's leading independent energy-IoT-data platforms, connecting production data from different energy technologies and manufacturers, enabling the digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Unser Unternehmen ist ein mittelständisches Ingenieurbüro auf dem Gebiet der erneuerbaren Energien, mit Schwerpunkt im Bereich der Windenergie.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “Als inhabergeführtes Familienunternehmen entwickeln wir nachhaltige Energieprojekte in Deutschland und Europa.” Recorded in the RevenueBase company graph · Nov 6, 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 “green energy system integrators”. 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 19 of 87 green energy system integrators based in Hamburg, Germany
See the full list, filter by size, metro and specialty, and access 1,478 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Green energy system integrators based in Hamburg, Germany at a glance
As of Nov 6, 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 87 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 “green energy system integrators” 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 1,478 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 November 6, 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.
Green energy system integrators by metro in Germany
- Green energy system integrators in Berlin209
- Green energy system integrators in Munich98
- Green energy system integrators in Cologne45
- Green energy system integrators in Dusseldorf45
- Green energy system integrators in Frankfurt40
- Green energy system integrators in Leipzig28
- Green energy system integrators in Hanover25
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 “green energy system integrators”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many green energy system integrators are there based in Hamburg, Germany?
RevenueBase identified 87 company matches for green energy system integrators associated with Hamburg, Germany as of November 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?
1komma5 tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Germany has the most green energy system integrators?
Berlin leads Germany with 209 company records, followed by Munich (98) and Hamburg (87).
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 1,478 professional contacts with verified work emails tracked across these 87 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 87 green energy system integrators based in Hamburg, 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.
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Company intelligence · public preview
Top 19 green energy system integrators 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 87 matching company records for green energy system integrators based in Hamburg, Germany, with 3,105 tracked contacts and 1,478 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 19 green energy system integrators 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 |  1komma51komma5.comHQ: Hamburg, GermanyReported employees: 1,001-5,000 | Hamburg, Germany | 1,001-5,000 | Exact match | 1,084 contacts → |
“1KOMMA5° wurde gegründet um Millionen Gebäude in Europa klimaneutral immer mit dem günstigsten Strom zu versorgen - ganz ohne fossile Energie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Greentechgreentech.energyHQ: Hamburg, GermanyReported employees: 201-500 | Hamburg, Germany | 201-500 | Exact match | 203 contacts → |
“greentech is an integrated solar and storage specialist: The areas of business include project development, design, construction, and operational management of photovoltaic (PV)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Kalorimeta Gmbhkalo.deHQ: Hamburg, GermanyReported employees: 501-1,000 | Hamburg, Germany | 501-1,000 | Exact match | 201 contacts → |
“Wir sind Ihr Partner für die smarte Energiewende in der Wohnimmobilie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Encentive Gmbhencentive.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 52 contacts → |
“encentive helps industrial companies reduce energy costs and CO₂ emissions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 49 contacts → |
“EHA wurde bereits 1998 als Joint Venture der damaligen Hamburgische Electricitäts-Werke AG (HEW) und der REWE Group gegründet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Sunnic Lighthouse Gmbhsunnic.deHQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 40 contacts → |
“Whether for system operators, business customers or trading partners: Sunnic takes care of optimal marketing and supply structures for renewable energies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Quartierkraft Gmbhquartierkraft.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 31 contacts → |
“Unsere Mission: nachhaltige Energieversorgung in der Immobilienwirtschaft für ALLE einfach und gewinnorientiert umzusetzen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Ison Gmbhison.energyHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 31 contacts → |
“With the most advanced Energy as a Service solution, we seamlessly connect our partners and their products to the energy market unlocking the flex potential of decentralized…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Home Of Solarhome-of-solar.comHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 31 contacts → |
“Home of Solar ist Ihr Partner für großflächige PV-Anlagen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Green Planet Projects Gmbhgreen-planet-projects.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 19 contacts → |
“Wir - die Green Planet Projects GmbH (früher: Planet energy GmbH)- sind eine 100%ige Tochter der Green Planet Energy eG, einer der größten Energiegenossenschaften Deutschlands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Calor Energycalor-energy.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 19 contacts → |
“CALOR ENERGY is a Germany-wide partner for integrated and economically viable energy solutions across residential real estate, commercial properties, and private investment…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  MN Projectsmnprojects.energyHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Adler Smart Solutionsadlersmartsolutions.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 13 contacts → |
“Die Energie für jetzt!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Teos Energy Gmbhteosenergy.com HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 11 contacts → |
“YOUR TRUSTED EPC PARTNER FOR PV PROJECTS At Teos Energy, we take immense pride in providing a complete suite of EPC services tailored to your diverse PV projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Solizersolizer.comHQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 10 contacts → |
“Wir bei SOLIZER sind Ihr vertrauenswürdiger Partner und Projektentwickler für Solarkraftwerke in Deutschland und weltweit.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Winrg Gmbhwinrg.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 10 contacts → |
“WiNRG GmbH is a company specialising in the renewable energy sector based in Hamburg.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Solyticsolytic.comHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 10 contacts → |
“Solytic is one of Europe's leading independent energy-IoT-data platforms, connecting production data from different energy technologies and manufacturers, enabling the digital…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Erneuerbare Energien Europa E3 Gmbhe3-gmbh.deHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 9 contacts → |
“Unser Unternehmen ist ein mittelständisches Ingenieurbüro auf dem Gebiet der erneuerbaren Energien, mit Schwerpunkt im Bereich der Windenergie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Milvio Energymilvio.energyHQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 8 contacts → |
“Als inhabergeführtes Familienunternehmen entwickeln wir nachhaltige Energieprojekte in Deutschland und Europa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 87 company matches
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Green energy system integrators: dataset insights
November 6, 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
86 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Germany list rather than for Hamburg, so it is reported there. Company counts and contact totals on this page are exact for Hamburg, over 87 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: November 6, 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 ↗
Green energy system integrators by metro in Germany
- Green energy system integrators in Berlin209
- Green energy system integrators in Munich98
- Green energy system integrators in Cologne45
- Green energy system integrators in Dusseldorf45
- Green energy system integrators in Frankfurt40
- Green energy system integrators in Leipzig28
- Green energy system integrators in Hanover25
Questions about this company list
What does Exact match mean for green energy system integrators?
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 green energy system integrators did RevenueBase find based in Hamburg, Germany?
The saved snapshot records 87 matching company records, 3,105 tracked contacts and 1,478 verified emails. The public preview displays 19 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: November 6, 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
Green energy system integrators by geography
- Green energy system integrators based in Buenos Aires, Argentina
- Green energy system integrators based in Adelaide, Australia
- Green energy system integrators based in Brisbane, Australia
- Green energy system integrators based in Melbourne, Australia
- Green energy system integrators based in Perth, Australia
- Green energy system integrators based in Sydney, Australia
- Green energy system integrators based in Vienna, Austria
- Green energy system integrators based in Belo Horizonte, Brazil
- Green energy system integrators based in Brasilia, Brazil
- Green energy system integrators based in Curitiba, Brazil
- Green energy system integrators based in Fortaleza, Brazil
- Green energy system integrators based in Goiania, Brazil
Cite this list
RevenueBase Data Team. Top 19 green energy system integrators based in Hamburg, Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/green-energy-system-integrators/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
- Green energy system integrators based in Buenos Aires, Argentina
- Green energy system integrators based in Adelaide, Australia
- Green energy system integrators based in Brisbane, Australia
- Green energy system integrators based in Melbourne, Australia
- Green energy system integrators based in Perth, Australia
- Green energy system integrators based in Sydney, Australia
Company intelligence · public preview
Top 19 green energy system integrators based in Hamburg, Germany
RevenueBase records 87 matching company records for green energy system integrators based in Hamburg, Germany, with 3,105 tracked contacts and 1,478 verified work emails.
This public preview shows 19 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 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 19 green energy system integrators 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 | 1komma51komma5.com HQ: Hamburg, GermanyReported employees: 1,001-5,000 | Hamburg, Germany | 1,001-5,000 | Exact match | 1,084 contacts → |
“1KOMMA5° wurde gegründet um Millionen Gebäude in Europa klimaneutral immer mit dem günstigsten Strom zu versorgen - ganz ohne fossile Energie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Greentechgreentech.energy HQ: Hamburg, GermanyReported employees: 201-500 | Hamburg, Germany | 201-500 | Exact match | 203 contacts → |
“greentech is an integrated solar and storage specialist: The areas of business include project development, design, construction, and operational management of photovoltaic (PV)…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Kalorimeta Gmbhkalo.de HQ: Hamburg, GermanyReported employees: 501-1,000 | Hamburg, Germany | 501-1,000 | Exact match | 201 contacts → |
“Wir sind Ihr Partner für die smarte Energiewende in der Wohnimmobilie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Encentive Gmbhencentive.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 52 contacts → |
“encentive helps industrial companies reduce energy costs and CO₂ emissions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 49 contacts → |
“EHA wurde bereits 1998 als Joint Venture der damaligen Hamburgische Electricitäts-Werke AG (HEW) und der REWE Group gegründet.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Sunnic Lighthouse Gmbhsunnic.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 40 contacts → |
“Whether for system operators, business customers or trading partners: Sunnic takes care of optimal marketing and supply structures for renewable energies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Quartierkraft Gmbhquartierkraft.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 31 contacts → |
“Unsere Mission: nachhaltige Energieversorgung in der Immobilienwirtschaft für ALLE einfach und gewinnorientiert umzusetzen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Ison Gmbhison.energy HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 31 contacts → |
“With the most advanced Energy as a Service solution, we seamlessly connect our partners and their products to the energy market unlocking the flex potential of decentralized…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Home Of Solarhome-of-solar.com HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 31 contacts → |
“Home of Solar ist Ihr Partner für großflächige PV-Anlagen.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Green Planet Projects Gmbhgreen-planet-projects.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 19 contacts → |
“Wir - die Green Planet Projects GmbH (früher: Planet energy GmbH)- sind eine 100%ige Tochter der Green Planet Energy eG, einer der größten Energiegenossenschaften Deutschlands.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Calor Energycalor-energy.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 19 contacts → |
“CALOR ENERGY is a Germany-wide partner for integrated and economically viable energy solutions across residential real estate, commercial properties, and private investment…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | MN Projectsmnprojects.energy HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 15 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 13 | Adler Smart Solutionsadlersmartsolutions.de HQ: Hamburg, GermanyReported employees: 51-200 | Hamburg, Germany | 51-200 | Exact match | 13 contacts → |
“Die Energie für jetzt!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Teos Energy Gmbhteosenergy.com HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 11 contacts → |
“YOUR TRUSTED EPC PARTNER FOR PV PROJECTS At Teos Energy, we take immense pride in providing a complete suite of EPC services tailored to your diverse PV projects.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Solizersolizer.com HQ: Hamburg, GermanyReported employees: 1-10 | Hamburg, Germany | 1-10 | Exact match | 10 contacts → |
“Wir bei SOLIZER sind Ihr vertrauenswürdiger Partner und Projektentwickler für Solarkraftwerke in Deutschland und weltweit.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Winrg Gmbhwinrg.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 10 contacts → |
“WiNRG GmbH is a company specialising in the renewable energy sector based in Hamburg.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Solyticsolytic.com HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 10 contacts → |
“Solytic is one of Europe's leading independent energy-IoT-data platforms, connecting production data from different energy technologies and manufacturers, enabling the digital…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Erneuerbare Energien Europa E3 Gmbhe3-gmbh.de HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 9 contacts → |
“Unser Unternehmen ist ein mittelständisches Ingenieurbüro auf dem Gebiet der erneuerbaren Energien, mit Schwerpunkt im Bereich der Windenergie.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Milvio Energymilvio.energy HQ: Hamburg, GermanyReported employees: 11-50 | Hamburg, Germany | 11-50 | Exact match | 8 contacts → |
“Als inhabergeführtes Familienunternehmen entwickeln wir nachhaltige Energieprojekte in Deutschland und Europa.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 19 of 87 company matches
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Green energy system integrators: dataset insights
November 6, 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
86 records in the displayed employee bands.
1 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Germany list rather than for Hamburg, so it is reported there. Company counts and contact totals on this page are exact for Hamburg, over 87 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: November 6, 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 ↗
Green energy system integrators by metro in Germany
- Green energy system integrators in Berlin209
- Green energy system integrators in Munich98
- Green energy system integrators in Cologne45
- Green energy system integrators in Dusseldorf45
- Green energy system integrators in Frankfurt40
- Green energy system integrators in Leipzig28
- Green energy system integrators in Hanover25
Questions about this company list
What does Exact match mean for green energy system integrators?
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 green energy system integrators did RevenueBase find based in Hamburg, Germany?
The saved snapshot records 87 matching company records, 3,105 tracked contacts and 1,478 verified emails. The public preview displays 19 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: November 6, 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 19 green energy system integrators based in Hamburg, Germany. Snapshot: November 6, 2026. https://revenuebase.ai/companies/green-energy-system-integrators/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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