Company lists · Data refreshed November 2026
Top 23 Sustainable energy startups based in Italy
RevenueBase identified 752 company matches for sustainable energy startups associated with Italy as of November 2026 and tracks 20,298 professional contacts across them, including 6,377 with verified work emails. Milan is the largest hub.
This list covers company matches for sustainable energy startups associated with Italy, 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 23 largest sustainable energy startups based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 5,313 contacts → | ||||
Exact match “We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 943 contacts → | ||||
Exact match “L'energia di un gruppo giovane che lavora ogni giorno con la voglia di affrontare nuove sfide, con la consapevolezza che osservare la realtà da punti di vista differenti richiede…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 792 contacts → | ||||
Exact match “Nata a Prato nel 2003 è oggi una delle più importanti realtà nel mercato della Green Economy.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 649 contacts → | ||||
Exact match “We are a leading independent operator of clean energy from renewable sources, operating in nine European countries and in the United States.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 622 contacts → | ||||
Exact match “Da dicembre 2025, abbiamo integrato EF Solare, il primo produttore fotovoltaico italiano.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 535 contacts → | ||||
Exact match “Efficienza energetica e mobilità elettrica per le PMI.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 456 contacts → | ||||
Exact match “Rinnovabili.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 350 contacts → | ||||
Exact match “GEKO opera in tutte le fasi strategiche della filiera energetica, dallo sviluppo, realizzazione, gestione e service di impianti di generazione elettrica alla vendita di energia e…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 262 contacts → | ||||
Exact match “Renovit Società Benefit è un primario operatore nel mercato dell’efficienza energetica, nato da un'iniziativa di Snam e CDP Equity.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 193 contacts → | ||||
Exact match “Since June 2025, STE Energy has been acquired by, becoming part of the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 144 contacts → | ||||
Exact match “A national player in energy efficiency and sustainability: Geoside is the Energy Service Company (ESCo) of Italgas Group and a leader in Italy and Europe in the field of energy…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 111 contacts → | ||||
Exact match “IERI da 125 anni operiamo in FVG nel campo delle energie; da impresa familiare a impresa a forte connotazione manageriale, salvaguardando quel rapporto viscerale con il nostro…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 102 contacts → | ||||
Exact match “In its current structure, Siel Group is a holding company deeply rooted in a world-class economic, technological, and cultural context.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 90 contacts → | ||||
Exact match “Nata nel 2009 a Lipsia (Germania), SENEC sviluppa e produce sistemi d’accumulo intelligenti ed offre una gamma completa di prodotti e servizi per l’autosufficienza energetica.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 86 contacts → | ||||
Exact match “Ogni giorno, lavoriamo per generare un impatto positivo sull'ambiente e sulla società.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 85 contacts → | ||||
Exact match “Advanced industrial knowledge and detailed research help us deliver renewable and cost-effective energy to tens of thousands of businesses and homes around the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 75 contacts → | ||||
Exact match “In Lenergy, acceleriamo la transizione verso l'indipendenza energetica per famiglie e imprese.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 69 contacts → | ||||
Exact match “Energia pulita accessibile a tutti: questo è il sogno di Enpal.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 64 contacts → | ||||
Exact match “Unoenergy Green Solutions è una società del Gruppo Unoenergy che opera su tutto il territorio nazionale attraverso la vendita e l’installazione di sistemi per l’efficientamento…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 63 contacts → | ||||
Exact match “Entra nel mondo di Gesco SpA e scopri con noi come costruire un futuro sostenibile.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 61 contacts → | ||||
Exact match “We produce sustainable energy by covering the entire supply chain from site scouting to the construction and operational management of our power plants.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 60 contacts → | ||||
Exact match “MET Energia Italia, parte del gruppo svizzero MET Group, è attiva dal 2017 nella fornitura di gas ed elettricità a clienti industriali, commerciali e residenziali.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 60 contacts → | ||||
Exact match Recorded description not available. 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 “sustainable energy startups”. 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 752 sustainable energy startups based in Italy
See the full list, filter by size, metro and specialty, and access 6,377 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Sustainable energy startups based in Italy at a glance
As of Nov 6, 2026Companies by employee count
Email recency for this list is measured worldwide rather than for Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 752 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 Italy whose business descriptions match “sustainable energy startups” 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 6,377 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.
Sustainable energy startups by metro
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 “sustainable energy startups”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many sustainable energy startups are there based in Italy?
RevenueBase identified 752 company matches for sustainable energy startups associated with Italy 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?
Enel Green Power tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most sustainable energy startups?
Milan leads with 88 company records, followed by Rome (56) and Naples (18).
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 6,377 professional contacts with verified work emails tracked across these 752 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 752 sustainable energy startups based in Italy. Start with a free account, no credit card.
Download this list →Related lists
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Browse the directory
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
- Sustainable energy startups based in Buenos Aires, Argentina
- Sustainable energy startups based in Melbourne, Australia
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- Sustainable energy startups based in Sydney, Australia
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Company intelligence · public preview
Top 23 sustainable energy startups based in Italy
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 752 matching company records for sustainable energy startups based in Italy, with 20,298 tracked contacts and 6,377 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: 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 23 sustainable energy startups based in Italy
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 |  Enel Green Powerenelgreenpower.comHQ: Rome, ItalyReported employees: 5,001-10,000 | Rome, Italy | 5,001-10,000 | Exact match | 5,313 contacts → |
“We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Optima Italia S.P.Aoptimaitalia.comHQ: Naples, ItalyReported employees: 201-500 | Naples, Italy | 201-500 | Exact match | 943 contacts → |
“L'energia di un gruppo giovane che lavora ogni giorno con la voglia di affrontare nuove sfide, con la consapevolezza che osservare la realtà da punti di vista differenti richiede…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  NWG S.P.Anwgitalia.itHQ: Prato, ItalyReported employees: Not recorded | Prato, Italy | Not recorded | Exact match | 792 contacts → |
“Nata a Prato nel 2003 è oggi una delle più importanti realtà nel mercato della Green Economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ERG SPAerg.euHQ: Genoa, ItalyReported employees: 501-1,000 | Genoa, Italy | 501-1,000 | Exact match | 649 contacts → |
“We are a leading independent operator of clean energy from renewable sources, operating in nine European countries and in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sorgeniasorgenia.itHQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 622 contacts → |
“Da dicembre 2025, abbiamo integrato EF Solare, il primo produttore fotovoltaico italiano.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Repower Italiarepower.comHQ: Milan, ItalyReported employees: 501-1,000 | Milan, Italy | 501-1,000 | Exact match | 535 contacts → |
“Efficienza energetica e mobilità elettrica per le PMI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Dolomiti Energiagruppodolomitienergia.itHQ: Rovereto, ItalyReported employees: 1,001-5,000 | Rovereto, Italy | 1,001-5,000 | Exact match | 456 contacts → |
“Rinnovabili.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Geko S.P.Agekospa.itHQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 350 contacts → |
“GEKO opera in tutte le fasi strategiche della filiera energetica, dallo sviluppo, realizzazione, gestione e service di impianti di generazione elettrica alla vendita di energia e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Renovitrenovit.itHQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 262 contacts → |
“Renovit Società Benefit è un primario operatore nel mercato dell’efficienza energetica, nato da un'iniziativa di Snam e CDP Equity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  STE Energyalteniaenergy.itHQ: Padua, ItalyReported employees: 51-200 | Padua, Italy | 51-200 | Exact match | 193 contacts → |
“Since June 2025, STE Energy has been acquired by, becoming part of the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Geosidegeoside.comHQ: Casalecchio Di Reno, ItalyReported employees: 51-200 | Casalecchio Di Reno, Italy | 51-200 | Exact match | 144 contacts → |
“A national player in energy efficiency and sustainability: Geoside is the Energy Service Company (ESCo) of Italgas Group and a leader in Italy and Europe in the field of energy…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Chiurlochiurlo.itHQ: Udine, ItalyReported employees: 201-500 | Udine, Italy | 201-500 | Exact match | 111 contacts → |
“IERI da 125 anni operiamo in FVG nel campo delle energie; da impresa familiare a impresa a forte connotazione manageriale, salvaguardando quel rapporto viscerale con il nostro…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Siel S.P.Asielups.comHQ: Trezzano Rosa, ItalyReported employees: 51-200 | Trezzano Rosa, Italy | 51-200 | Exact match | 102 contacts → |
“In its current structure, Siel Group is a holding company deeply rooted in a world-class economic, technological, and cultural context.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Senec Italiasenec.comHQ: Bari, ItalyReported employees: 51-200 | Bari, Italy | 51-200 | Exact match | 90 contacts → |
“Nata nel 2009 a Lipsia (Germania), SENEC sviluppa e produce sistemi d’accumulo intelligenti ed offre una gamma completa di prodotti e servizi per l’autosufficienza energetica.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Delos Powerdelospower.comHQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 86 contacts → |
“Ogni giorno, lavoriamo per generare un impatto positivo sull'ambiente e sulla società.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Italia GAS E Luceitaliagaseluce.itHQ: Camaiore, ItalyReported employees: 51-200 | Camaiore, Italy | 51-200 | Exact match | 85 contacts → |
“Advanced industrial knowledge and detailed research help us deliver renewable and cost-effective energy to tens of thousands of businesses and homes around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Lenergy SPAlenergy.itHQ: Fornacette, ItalyReported employees: 51-200 | Fornacette, Italy | 51-200 | Exact match | 75 contacts → |
“In Lenergy, acceleriamo la transizione verso l'indipendenza energetica per famiglie e imprese.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Enpal Italiaenpal.comHQ: Milan, ItalyReported employees: 11-50 | Milan, Italy | 11-50 | Exact match | 69 contacts → |
“Energia pulita accessibile a tutti: questo è il sogno di Enpal.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Unoenergy Green Solutions SPAunoenergy.itHQ: Cascina, ItalyReported employees: 201-500 | Cascina, Italy | 201-500 | Exact match | 64 contacts → |
“Unoenergy Green Solutions è una società del Gruppo Unoenergy che opera su tutto il territorio nazionale attraverso la vendita e l’installazione di sistemi per l’efficientamento…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Gesco SPAgesco.energyHQ: Monteriggioni, ItalyReported employees: 51-200 | Monteriggioni, Italy | 51-200 | Exact match | 63 contacts → |
“Entra nel mondo di Gesco SpA e scopri con noi come costruire un futuro sostenibile.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Undo Groupundogroup.comHQ: Rome, ItalyReported employees: 51-200 | Rome, Italy | 51-200 | Exact match | 61 contacts → |
“We produce sustainable energy by covering the entire supply chain from site scouting to the construction and operational management of our power plants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  MET Energia Italiamet.comHQ: Milan, ItalyReported employees: 11-50 | Milan, Italy | 11-50 | Exact match | 60 contacts → |
“MET Energia Italia, parte del gruppo svizzero MET Group, è attiva dal 2017 nella fornitura di gas ed elettricità a clienti industriali, commerciali e residenziali.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Innovo Renewables S.P.Ainnovorenewables.comHQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 60 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 23 of 752 company matches
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Sustainable energy startups: 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
749 records in the displayed employee bands.
3 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 Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 752 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 ↗
Sustainable energy startups by metro
Questions about this company list
What does Exact match mean for sustainable energy startups?
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 sustainable energy startups did RevenueBase find based in Italy?
The saved snapshot records 752 matching company records, 20,298 tracked contacts and 6,377 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: 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
Sustainable energy startups by geography
- Sustainable energy startups based in Buenos Aires, Argentina
- Sustainable energy startups based in Melbourne, Australia
- Sustainable energy startups based in Perth, Australia
- Sustainable energy startups based in Sydney, Australia
- Sustainable energy startups based in Belo Horizonte, Brazil
- Sustainable energy startups based in Curitiba, Brazil
- Sustainable energy startups based in Fortaleza, Brazil
- Sustainable energy startups based in Goiania, Brazil
- Sustainable energy startups based in Porto Alegre, Brazil
- Sustainable energy startups based in Rio De Janeiro, Brazil
- Sustainable energy startups based in Sao Paulo, Brazil
- Sustainable energy startups based in Calgary, Canada
Browse the directory
Cite this list
RevenueBase Data Team. Top 23 sustainable energy startups based in Italy. Snapshot: November 6, 2026. https://revenuebase.ai/companies/sustainable-energy-startups/italy.
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
- Sustainable energy startups based in Buenos Aires, Argentina
- Sustainable energy startups based in Melbourne, Australia
- Sustainable energy startups based in Perth, Australia
- Sustainable energy startups based in Sydney, Australia
- Sustainable energy startups based in Belo Horizonte, Brazil
- Sustainable energy startups based in Curitiba, Brazil
Company intelligence · public preview
Top 23 sustainable energy startups based in Italy
RevenueBase records 752 matching company records for sustainable energy startups based in Italy, with 20,298 tracked contacts and 6,377 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: 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 23 sustainable energy startups based in Italy
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 | Enel Green Powerenelgreenpower.com HQ: Rome, ItalyReported employees: 5,001-10,000 | Rome, Italy | 5,001-10,000 | Exact match | 5,313 contacts → |
“We are the Enel Group company dedicated to the development and management of renewable energy generation worldwide.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Optima Italia S.P.Aoptimaitalia.com HQ: Naples, ItalyReported employees: 201-500 | Naples, Italy | 201-500 | Exact match | 943 contacts → |
“L'energia di un gruppo giovane che lavora ogni giorno con la voglia di affrontare nuove sfide, con la consapevolezza che osservare la realtà da punti di vista differenti richiede…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | NWG S.P.Anwgitalia.it HQ: Prato, ItalyReported employees: Not recorded | Prato, Italy | Not recorded | Exact match | 792 contacts → |
“Nata a Prato nel 2003 è oggi una delle più importanti realtà nel mercato della Green Economy.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ERG SPAerg.eu HQ: Genoa, ItalyReported employees: 501-1,000 | Genoa, Italy | 501-1,000 | Exact match | 649 contacts → |
“We are a leading independent operator of clean energy from renewable sources, operating in nine European countries and in the United States.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sorgeniasorgenia.it HQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 622 contacts → |
“Da dicembre 2025, abbiamo integrato EF Solare, il primo produttore fotovoltaico italiano.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Repower Italiarepower.com HQ: Milan, ItalyReported employees: 501-1,000 | Milan, Italy | 501-1,000 | Exact match | 535 contacts → |
“Efficienza energetica e mobilità elettrica per le PMI.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Dolomiti Energiagruppodolomitienergia.it HQ: Rovereto, ItalyReported employees: 1,001-5,000 | Rovereto, Italy | 1,001-5,000 | Exact match | 456 contacts → |
“Rinnovabili.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Geko S.P.Agekospa.it HQ: Rome, ItalyReported employees: 201-500 | Rome, Italy | 201-500 | Exact match | 350 contacts → |
“GEKO opera in tutte le fasi strategiche della filiera energetica, dallo sviluppo, realizzazione, gestione e service di impianti di generazione elettrica alla vendita di energia e…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Renovitrenovit.it HQ: Milan, ItalyReported employees: 201-500 | Milan, Italy | 201-500 | Exact match | 262 contacts → |
“Renovit Società Benefit è un primario operatore nel mercato dell’efficienza energetica, nato da un'iniziativa di Snam e CDP Equity.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | STE Energyalteniaenergy.it HQ: Padua, ItalyReported employees: 51-200 | Padua, Italy | 51-200 | Exact match | 193 contacts → |
“Since June 2025, STE Energy has been acquired by, becoming part of the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Geosidegeoside.com HQ: Casalecchio Di Reno, ItalyReported employees: 51-200 | Casalecchio Di Reno, Italy | 51-200 | Exact match | 144 contacts → |
“A national player in energy efficiency and sustainability: Geoside is the Energy Service Company (ESCo) of Italgas Group and a leader in Italy and Europe in the field of energy…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Chiurlochiurlo.it HQ: Udine, ItalyReported employees: 201-500 | Udine, Italy | 201-500 | Exact match | 111 contacts → |
“IERI da 125 anni operiamo in FVG nel campo delle energie; da impresa familiare a impresa a forte connotazione manageriale, salvaguardando quel rapporto viscerale con il nostro…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Siel S.P.Asielups.com HQ: Trezzano Rosa, ItalyReported employees: 51-200 | Trezzano Rosa, Italy | 51-200 | Exact match | 102 contacts → |
“In its current structure, Siel Group is a holding company deeply rooted in a world-class economic, technological, and cultural context.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Senec Italiasenec.com HQ: Bari, ItalyReported employees: 51-200 | Bari, Italy | 51-200 | Exact match | 90 contacts → |
“Nata nel 2009 a Lipsia (Germania), SENEC sviluppa e produce sistemi d’accumulo intelligenti ed offre una gamma completa di prodotti e servizi per l’autosufficienza energetica.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Delos Powerdelospower.com HQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 86 contacts → |
“Ogni giorno, lavoriamo per generare un impatto positivo sull'ambiente e sulla società.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Italia GAS E Luceitaliagaseluce.it HQ: Camaiore, ItalyReported employees: 51-200 | Camaiore, Italy | 51-200 | Exact match | 85 contacts → |
“Advanced industrial knowledge and detailed research help us deliver renewable and cost-effective energy to tens of thousands of businesses and homes around the world.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Lenergy SPAlenergy.it HQ: Fornacette, ItalyReported employees: 51-200 | Fornacette, Italy | 51-200 | Exact match | 75 contacts → |
“In Lenergy, acceleriamo la transizione verso l'indipendenza energetica per famiglie e imprese.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Enpal Italiaenpal.com HQ: Milan, ItalyReported employees: 11-50 | Milan, Italy | 11-50 | Exact match | 69 contacts → |
“Energia pulita accessibile a tutti: questo è il sogno di Enpal.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Unoenergy Green Solutions SPAunoenergy.it HQ: Cascina, ItalyReported employees: 201-500 | Cascina, Italy | 201-500 | Exact match | 64 contacts → |
“Unoenergy Green Solutions è una società del Gruppo Unoenergy che opera su tutto il territorio nazionale attraverso la vendita e l’installazione di sistemi per l’efficientamento…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Gesco SPAgesco.energy HQ: Monteriggioni, ItalyReported employees: 51-200 | Monteriggioni, Italy | 51-200 | Exact match | 63 contacts → |
“Entra nel mondo di Gesco SpA e scopri con noi come costruire un futuro sostenibile.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Undo Groupundogroup.com HQ: Rome, ItalyReported employees: 51-200 | Rome, Italy | 51-200 | Exact match | 61 contacts → |
“We produce sustainable energy by covering the entire supply chain from site scouting to the construction and operational management of our power plants.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | MET Energia Italiamet.com HQ: Milan, ItalyReported employees: 11-50 | Milan, Italy | 11-50 | Exact match | 60 contacts → |
“MET Energia Italia, parte del gruppo svizzero MET Group, è attiva dal 2017 nella fornitura di gas ed elettricità a clienti industriali, commerciali e residenziali.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Innovo Renewables S.P.Ainnovorenewables.com HQ: Milan, ItalyReported employees: 51-200 | Milan, Italy | 51-200 | Exact match | 60 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 23 of 752 company matches
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Sustainable energy startups: 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
749 records in the displayed employee bands.
3 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 Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 752 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 ↗
Sustainable energy startups by metro
Questions about this company list
What does Exact match mean for sustainable energy startups?
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 sustainable energy startups did RevenueBase find based in Italy?
The saved snapshot records 752 matching company records, 20,298 tracked contacts and 6,377 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: 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 23 sustainable energy startups based in Italy. Snapshot: November 6, 2026. https://revenuebase.ai/companies/sustainable-energy-startups/italy.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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