Company lists · Data verified August 2026

Top 25 Energy efficiency investment firms based in Italy

Name: Energy efficiency investment firms based in Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 244 companies tracked

There are 244 energy efficiency investment firms headquartered in Italy (RevenueBase, August 2026). RevenueBase tracks 1,869 professional contacts across them, including 519 with verified work emails and 86 with mobile numbers. Roma is the largest hub.

This list covers energy efficiency investment firms headquartered in Italy, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

244Companies

1,869Contacts tracked

519Verified emails

86Mobile numbers

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The 25 largest energy efficiency investment firms based in Italy

Ranked by team size

Top 25 of 244 energy efficiency investment firms based in Italy, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	City Green Light	Vicenza	51-200	139	100
2	Clever Servizi Energetici S.P.A	Settimo Milanese	51-200	64	25
3	Inergia S.P.A	Roma	11-50	52	31
4	Gaia Energy Systems	Gricignano Di Aversa	11-50	43	6
5	IES Solare S.R.L	Livorno	51-200	29	15
6	Kerr SPA	Roma	11-50	27	19
7	Prime Green Solutions Benefit	Milano	51-200	27	14
8	Arcoservizi S.P.A	Torino	51-200	26	17
9	Genera Group	Rome	51-200	25	18
10	Veos Group	Milan	201-500	18	11
11	Baboo Energy Service Company	Omegna	11-50	18	3
12	NSP SRL	Formello	51-200	17	9
13	Santa Teresa Energy	Gragnano Trebbiense	11-50	16	12
14	Officinae Verdi Group - OVG	Roma	11-50	16	10
15	Gbsols S.R.L	Mi	11-50	16	8
16	Tekne Esco	Milano	11-50	14	10
17	LIO Energy	Milan	11-50	14	7
18	Edilvi SPA	Villorba	11-50	13	5
19	Renerwave	Firenze	11-50	11	8
20	Rete Irene	Milano	11-50	10	6
21	Ecogruppo Spambiente	Rome	51-200	10	4
22	Gksd Esco	Milano	11-50	9	6
23	FB Capital	Vicenza	11-50	9	5
24	Energy Wave S.P.A	Milano	11-50	8	2
25	Terrax SRL Gmbh	Peschiera Del Garda	11-50	6	5

Showing 25 of 244 energy efficiency investment firms based in Italy

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Energy efficiency investment firms based in Italy at a glance

As of Aug 28, 2026

1-10Median size (employees)

RomaLargest hub · 15 HQs

86Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

135

11-50

51-200

201-500

501-1,000

Energy efficiency investment firms by metro

Metro	Companies
Energy efficiency investment firms in Roma	15
Energy efficiency investment firms in Milano	13
Energy efficiency investment firms in Milan	12
Energy efficiency investment firms in Rome	8
Energy efficiency investment firms in Perugia	5
Energy efficiency investment firms in Vicenza	5
Energy efficiency investment firms in Torino	4

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “energy efficiency investment firms”, with match quality audited by blind human judging, and headquartered in Italy.
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: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many energy efficiency investment firms are there based in Italy?

There are 244 energy efficiency investment firms headquartered in Italy as of August 2026 (RevenueBase).

What is the largest company on this list?

City Green Light, headquartered in Vicenza, tops this list with the largest team on record.

Which city has the most energy efficiency investment firms?

Roma leads with 15 headquartered companies, followed by Milano (13) and Milan (12).

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 519 verified decision-maker contacts tracked across these 244 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 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, the same data that powers RevenueBase's B2B data products and the free research portal.