Company lists · Data refreshed September 2026
Top 25 Enterprise energy auditing services based in Italy
RevenueBase identified 534 enterprise energy auditing services headquartered in Italy as of September 2026 and tracks 4,163 professional contacts across them, including 1,483 with verified work emails. Milano is the largest hub.
This list covers enterprise energy auditing services headquartered in Italy, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 28, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest enterprise energy auditing services based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 655 contacts → | ||||
Indirect evidence “Enegan offre soluzioni personalizzate per le aziende abbinando alla fornitura di elettricità, gas e telecomunicazioni una vasta gamma di prodotti e servizi ad alto valore…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 184 contacts → | ||||
Partial evidence “Belonging to Italian industrial giant Webuild Group, NBI develops turnkey projects and provides expert advice and intervention with regard to plant design and energy services…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 99 contacts → | ||||
Indirect evidence “Non siamo tecnici, ma progettisti consapevoli di essere parte del cambiamento.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 83 contacts → | ||||
Partial evidence “Energy Team è l’operatore italiano leader nel monitoraggio, controllo e gestione del consumo energetico.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 78 contacts → | ||||
Partial evidence “servizi di progettazione integrata, risparmio energetico, analisi energetiche finalizzate all'energy saving impianti termici impianti elettrici energie alternative.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 59 contacts → | ||||
Partial evidence “Energy Italy SpA, azienda parte del gruppo Energy Holding, dal 2012 è tra le realtà più innovative nel settore delle energie rinnovabili e del risparmio energetico.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 42 contacts → | ||||
Partial evidence “OGNI GIORNO AIUTIAMO LE AZIENDE A DIVENTARE PIÙ EFFICIENTI, A RIDURRE I CONSUMI, A GENERARE AUTONOMAMENTE L’ENERGIA PULITA IN GRADO DI SODDISFARE IL PROPRIO FABBISOGNO.” Il nostro…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 38 contacts → | ||||
Partial evidence “EsPiù S.r.l.| Società Benefit è una Società di Ingegneria, operante nell'ambito della progettazione e consulenza energetica in particolar modo ad industrie, settore terziario…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 35 contacts → | ||||
Partial evidence “Diffondere la cultura dell’autonomia energetica in Italia e nel mondo, rendendo le tecnologie sempre più accessibili a tutti, per case e aziende sempre più ecosostenibili è la…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 31 contacts → | ||||
Partial evidence “We serve the global energy community from Corso Magenta, at the beating heart of Milan: consulting, engineering, inventing, looking into every corner of the power generation…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 31 contacts → | ||||
Partial evidence “Cogenio is an energy-efficiency service platform set up to help businesses cut their energy costs and CO2 emissions, by providing them with solutions designed to improve their…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 29 contacts → | ||||
Partial evidence “Siamo una Energy Service Company costituita da professionisti attivi nel settore delle energie rinnovabili dal 1998, nata per offrire servizi integrati finalizzati alla produzione…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 29 contacts → | ||||
Partial evidence “ENERGY INTELLIGENCE ®, società di servizi e consulenza energetica.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 28 contacts → | ||||
Partial evidence “Exalto è una società che opera nei settori della consulenza strategica alle imprese e alle istituzioni, della ricerca, dell'efficienza energetica nell’industria e nel terziario…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 28 contacts → | ||||
Partial evidence “Siamo un’innovativa società di ingegneria specializzata nel settore dell’energia e dell’efficienza energetica.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 28 contacts → | ||||
Partial evidence “ENERGYSAVE PROGETTAZIONI E CONSULENZE S.R.L.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 27 contacts → | ||||
Partial evidence “Ci occupiamo di offrire i migliori servizi in ambito di innovazione ed efficientamento energetico.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 27 contacts → | ||||
Partial evidence “Studio Santi is an independent consulting engineering and management firm specializing in the energy sector, with a strong focus on innovation.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 26 contacts → | ||||
Partial evidence “Saving Energy Spa is a well know independent energy consultancy company” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 25 contacts → | ||||
Partial evidence “Studio Rinnovabili since 2004 works to meet the needs of those who want to develop renewable energy and energy efficiency projects by supporting with engineering and analysis.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 24 contacts → | ||||
Partial evidence “NESS è una ESCo certificata UNI 11352 che si pone come obiettivo quello di fornire, a clienti pubblici e privati, soluzioni ai problemi di natura energetica ed ambientale.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 24 contacts → | ||||
Partial evidence “Greenvest è attiva nel settore dell'efficienza energetica a livello nazionale ed internazionale ed opera come società di Servizi Energetici integrati certificata (ESCo) secondo la…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 23 contacts → | ||||
Partial evidence “L’impegno quotidiano di Unoenergy innovative Solutions è la rilevazione, l’analisi dei consumi energetici e la gestione dell’energia per ottenere efficienza e risparmio avendo…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 22 contacts → | ||||
Partial evidence “Mercurio è una società di ingegneria e servizi in grado di progettare, realizzare, condurre e manutenere impianti per la produzione di energia ed in particolare impianti in…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 22 contacts → | ||||
Partial evidence “Massimizziamo l’efficienza, ottimizziamo i costi, riduciamo l’impatto Dal 1997 aiutiamo le aziende a gestire l’energia in modo più efficiente, riducendo costi e sprechi con…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: enterprise energy auditing services. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names enterprise energy auditing services.
- Partial evidence
- Its own public description names part of enterprise energy auditing services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name enterprise energy auditing services. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 534 enterprise energy auditing services based in Italy
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Enterprise energy auditing services based in Italy at a glance
As of Sep 28, 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 534 companies.
How this list was built
Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among enterprise energy auditing services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
- What qualifies
- Companies headquartered in Italy whose own description of what they do matches “enterprise energy auditing services”. Matching reads each company's description, not its industry code or its name.
- RevenueBase Smart Search
- RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names enterprise energy auditing services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
- What we exclude
- Companies whose own description does not clearly place them among enterprise energy auditing services, and records with no verified work email. Companies headquartered outside Italy are excluded even when they keep an office there.
- Match quality
- In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
- 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 listed company carries at least one verified work email, 1,483 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 28, 2026. Lists refresh periodically as the graph is re-checked.
- Corrections
- Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.
Frequently asked
What is RevenueBase Smart Search?
RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names enterprise energy auditing services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.
How many enterprise energy auditing services are there based in Italy?
RevenueBase identified 534 enterprise energy auditing services headquartered in Italy as of September 2026, matched on each company's own description of what it does rather than its industry code.
What is the largest company on this list?
Enegan, headquartered in Vinci, tops this list with the largest team on record.
Which city has the most enterprise energy auditing services?
Milano leads with 22 headquartered companies, followed by Roma (20) and Torino (20).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 1,483 verified decision-maker contacts tracked across these 534 companies.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 28, 2026.
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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 Smart Search, 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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