Company lists · Data verified August 2026

Top 25 Clean energy consultancy companies based in Italy

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,737 companies tracked

There are 1,737 clean energy consultancy companies headquartered in Italy (RevenueBase, August 2026). RevenueBase tracks 17,524 professional contacts across them, including 5,089 with verified work emails and 750 with mobile numbers. Roma is the largest hub.

This list covers clean energy consultancy 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.

1,737Companies

17,524Contacts tracked

5,089Verified emails

750Mobile numbers

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The 25 largest clean energy consultancy companies based in Italy

Ranked by team size

Top 25 of 1,737 clean energy consultancy 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	NWG S.P.A	Prato	n/a	771	22
2	Enegan	Grosseto	201-500	654	437
3	Sorgenia	Milano	201-500	607	405
4	Repower Italia	Milano	501-1,000	509	136
5	VSB Group	Parma	201-500	450	249
6	Tecno Group	Napoli	201-500	421	86
7	Sólida	Rome	201-500	294	23
8	SCS Consulting	Zola Predosa	51-200	273	156
9	Power Reply	Milano	51-200	245	147
10	3ba Group	Torino	51-200	170	137
11	Geoside	Casalecchio Di Reno	51-200	140	58
12	Tekne SPA	n/a	51-200	128	64
13	ELC Electroconsult S.P.A	Milano	51-200	99	30
14	KEY To Energy	Milano	51-200	92	55
15	Energy Team S.P.A	Trezzano Sul Naviglio	51-200	83	54
16	Italia GAS E Luce	Camaiore	51-200	83	42
17	Dolomiti Energia	Trento	201-500	80	42
18	Greenwich S.R.L	Milano	51-200	68	41
19	Unoenergy Green Solutions SPA	Cascina	201-500	63	29
20	EVA Energie Valsabbia	Gavardo	51-200	56	36
21	LESS	Torino	201-500	52	17
22	Sintecnica	Pisa	51-200	47	30
23	Braga Group	Vigevano	51-200	45	24
24	Eureka S.R.L	Trento	51-200	41	26
25	Espiù S.R.L. Società Benefit	Oderzo	51-200	39	16

Showing 25 of 1,737 clean energy consultancy companies based in Italy

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Clean energy consultancy companies based in Italy at a glance

As of Aug 28, 2026

1-10Median size (employees)

RomaLargest hub · 84 HQs

750Contacts with mobile numbers

34Emails re-verified in last 30 days

Companies by employee count

1-10

1,072

11-50

548

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Clean energy consultancy companies by metro

Metro	Companies
Clean energy consultancy companies in Roma	84
Clean energy consultancy companies in Milan	76
Clean energy consultancy companies in Milano	68
Clean energy consultancy companies in Rome	47
Clean energy consultancy companies in Torino	37
Clean energy consultancy companies in Brescia	31
Clean energy consultancy companies in Napoli	28

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 consultancy 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; 34 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 consultancy companies are there based in Italy?

There are 1,737 clean energy consultancy companies headquartered in Italy as of August 2026 (RevenueBase).

What is the largest company on this list?

NWG S.P.A, headquartered in Prato, tops this list with the largest team on record.

Which city has the most clean energy consultancy companies?

Roma leads with 84 headquartered companies, followed by Milan (76) and Milano (68).

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 5,089 verified decision-maker contacts tracked across these 1,737 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.