Company lists · Data verified August 2026

Top 25 Clean energy consulting firms based in Italy

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 1,510 companies tracked

There are 1,510 clean energy consulting firms headquartered in Italy (RevenueBase, August 2026). RevenueBase tracks 13,144 professional contacts across them, including 3,704 with verified work emails and 536 with mobile numbers. Roma is the largest hub.

This list covers clean energy consulting 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.

1,510Companies

13,144Contacts tracked

3,704Verified emails

536Mobile numbers

Unlock all 1,510 companies Free account · no credit card · 2 minutes

The 25 largest clean energy consulting firms based in Italy

Ranked by team size

Top 25 of 1,510 clean energy consulting 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	VSB Group	Parma	201-500	450	249
2	Tecno Group	Napoli	201-500	421	86
3	Sólida	Rome	201-500	294	23
4	SCS Consulting	Zola Predosa	51-200	273	156
5	Power Reply	Milano	51-200	245	147
6	NBI SPA	n/a	501-1,000	184	53
7	3ba Group	Torino	51-200	170	137
8	Geoside	Casalecchio Di Reno	51-200	140	58
9	Montana S.P.A	Selargius	51-200	130	90
10	Greenergy	Castellaneta	51-200	101	58
11	ELC Electroconsult S.P.A	Milano	51-200	99	30
12	Siel S.P.A	Trezzano Rosa	51-200	98	46
13	KEY To Energy	Milano	51-200	92	55
14	Energy Team S.P.A	Trezzano Sul Naviglio	51-200	83	54
15	Saccir S.P.A	Roma	201-500	59	32
16	LESS	Torino	201-500	52	17
17	Ergo SRL	Milan	51-200	50	34
18	Sintecnica	Pisa	51-200	47	30
19	ITI Service	Molfetta	51-200	47	6
20	Eureka S.R.L	Trento	51-200	41	26
21	Espiù S.R.L. Società Benefit	Oderzo	51-200	39	16
22	Solarplay	Lissone	51-200	36	12
23	Energia Italia S.P.A	Canicatti	51-200	34	2
24	Kennew SRL	Nembro	51-200	29	15
25	IES Solare S.R.L	Livorno	51-200	29	15

Showing 25 of 1,510 clean energy consulting firms based in Italy

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 3,704 reachable decision-makers.

Free account · no credit card

See all 1,510 companies

Clean energy consulting firms based in Italy at a glance

As of Aug 28, 2026

1-10Median size (employees)

RomaLargest hub · 75 HQs

536Contacts with mobile numbers

22Emails re-verified in last 30 days

Companies by employee count

1-10

969

11-50

458

51-200

201-500

501-1,000

1,001-5,000

10001+

Clean energy consulting firms by metro

Metro	Companies
Clean energy consulting firms in Roma	75
Clean energy consulting firms in Milan	67
Clean energy consulting firms in Milano	65
Clean energy consulting firms in Rome	44
Clean energy consulting firms in Torino	32
Clean energy consulting firms in Brescia	25
Clean energy consulting firms in Napoli	24

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 consulting 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; 22 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 consulting firms are there based in Italy?

There are 1,510 clean energy consulting firms headquartered in Italy as of August 2026 (RevenueBase).

What is the largest company on this list?

VSB Group, headquartered in Parma, tops this list with the largest team on record.

Which city has the most clean energy consulting firms?

Roma leads with 75 headquartered companies, followed by Milan (67) and Milano (65).

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 3,704 verified decision-maker contacts tracked across these 1,510 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.

Ready to reach these companies? Verified emails and direct dials for all 1,510 clean energy consulting firms based in Italy. Start with a free account, no credit card.

Get the full list

Related lists

Clean energy consulting firms by geography

Browse the directory

Browse: Companies home · All Italy lists · All Clean energy consulting firms lists · New lists

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.