Company lists · Data verified August 2026

Top 25 Clean energy software companies based in Italy

Name: Clean energy software companies based in Italy
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 444 companies tracked

There are 444 clean energy software companies headquartered in Italy (RevenueBase, August 2026). RevenueBase tracks 7,492 professional contacts across them, including 2,565 with verified work emails and 339 with mobile numbers. Milano is the largest hub.

This list covers clean energy software companies 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.

444Companies

7,492Contacts tracked

2,565Verified emails

339Mobile numbers

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The 25 largest clean energy software companies based in Italy

Ranked by team size

Top 25 of 444 clean energy software companies 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	Zelestra	Palermo	501-1,000	915	263
2	NWG S.P.A	Prato	n/a	771	22
3	ERG SPA	Genova	501-1,000	633	336
4	Sorgenia	Milano	201-500	607	405
5	Gridspertise	Rome	201-500	292	196
6	Renovit	Milano	201-500	256	156
7	Espe S.P.A	Grantorto	51-200	147	37
8	Geoside	Casalecchio Di Reno	51-200	140	58
9	Baxenergy	Acireale	51-200	108	73
10	Ecospray	Voghera	51-200	103	37
11	EGO	Genova	51-200	83	39
12	Energy Wave	Alessandria	11-50	80	58
13	Unoenergy Green Solutions SPA	Cascina	201-500	63	29
14	EVA Energie Valsabbia	Gavardo	51-200	56	36
15	Higeco More	n/a	11-50	51	31
16	Pacifico Energy Partners	Milan	51-200	50	35
17	Braga Group	Vigevano	51-200	45	24
18	Lutech Sinergetica SRL	Genova	51-200	44	22
19	Energy S.P.A	Rovereto	51-200	42	17
20	VP Solar SRL	Montebelluna	11-50	39	26
21	NEXUN	Brindisi	51-200	38	9
22	Forgreen SPA	Verona	11-50	36	21
23	Evergy Engineering Gmbh	Verona	11-50	35	29
24	psaier.energies	Brixen Sud	51-200	34	24
25	Sunsolution SRL	Fontevivo	11-50	32	18

Showing 25 of 444 clean energy software companies based in Italy

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Clean energy software companies based in Italy at a glance

As of Aug 28, 2026

1-10Median size (employees)

MilanoLargest hub · 21 HQs

339Contacts with mobile numbers

16Emails re-verified in last 30 days

Companies by employee count

1-10

236

11-50

158

51-200

201-500

501-1,000

1,001-5,000

Clean energy software companies by metro

Metro	Companies
Clean energy software companies in Milano	21
Clean energy software companies in Roma	17
Clean energy software companies in Milan	15
Clean energy software companies in Verona	10
Clean energy software companies in Rome	10
Clean energy software companies in Torino	7
Clean energy software companies in Milano Mi	6

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 “clean energy software companies”, 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; 16 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 clean energy software companies are there based in Italy?

There are 444 clean energy software companies headquartered in Italy as of August 2026 (RevenueBase).

What is the largest company on this list?

Zelestra, headquartered in Palermo, tops this list with the largest team on record.

Which city has the most clean energy software companies?

Milano leads with 21 headquartered companies, followed by Roma (17) and Milan (15).

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 2,565 verified decision-maker contacts tracked across these 444 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.