Company lists · Data verified August 2026

Top 25 Environmental consulting firms based in Italy

Name: Environmental 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 1,275 companies tracked

There are 1,275 environmental consulting firms headquartered in Italy (RevenueBase, August 2026). RevenueBase tracks 11,490 professional contacts across them, including 3,369 with verified work emails and 492 with mobile numbers. Roma is the largest hub.

This list covers environmental 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.

1,275Companies

11,490Contacts tracked

3,369Verified emails

492Mobile numbers

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The 25 largest environmental consulting firms based in Italy

Ranked by team size

Top 25 of 1,275 environmental 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	ENI Rewind	San Donato Milanese	1,001-5,000	541	46
2	Ecol Studio Lifeanalytics	Solarolo	201-500	342	220
3	Labanalysis Environmental Science	Casanova Lonati	501-1,000	292	219
4	WSP In Italia	Torino	10001+	238	174
5	Nier Ingegneria SPA SB	Napoli	201-500	212	65
6	Gruppo Marazzato	Borgo Vercelli	201-500	160	106
7	Ambiente SPA	Carrara	51-200	156	63
8	Petroltecnica S.P.A	Cerasolo Ausa Di Coriano	51-200	151	69
9	Deerns Italia	Milan	501-1,000	140	97
10	IGEAM	Bari	51-200	136	66
11	Tekne SPA	n/a	51-200	128	64
12	HPC Italia	Milano Mi	51-200	105	78
13	Etifor Valuing Nature	Padova	51-200	78	59
14	Tecno In S.R.L	Porto Torres	51-200	74	30
15	Greenwich S.R.L	Milano	51-200	68	41
16	Servizi Industriali Genova Sige	Rome	51-200	63	6
17	Ecoricerche Sicurezza S.R.L	Bassano Del Grappa	51-200	62	16
18	Maxxi Engineering	Carrara	51-200	57	26
19	SCA SRL	Mesagne	51-200	54	2
20	Ergo SRL	Milan	51-200	50	34
21	Tecno Habitat S.R.L	Milano Mi	51-200	49	36
22	Tauw Italia	Pisa	51-200	46	35
23	Sirai SRL	Milazzo	51-200	44	14
24	Gruppo Cosmari	Cisterna Di Latina	51-200	41	12
25	Consulenze Ambientali SPA	Scanzorosciate	51-200	39	34

Showing 25 of 1,275 environmental consulting firms based in Italy

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Environmental consulting firms based in Italy at a glance

As of Aug 28, 2026

1-10Median size (employees)

RomaLargest hub · 62 HQs

492Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

816

11-50

372

51-200

201-500

501-1,000

1,001-5,000

10001+

Environmental consulting firms by metro

Metro	Companies
Environmental consulting firms in Roma	62
Environmental consulting firms in Milano	42
Environmental consulting firms in Rome	31
Environmental consulting firms in Torino	29
Environmental consulting firms in Milan	27
Environmental consulting firms in Firenze	18
Environmental consulting firms in Bologna	16

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 “environmental 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; 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 environmental consulting firms are there based in Italy?

There are 1,275 environmental consulting firms headquartered in Italy as of August 2026 (RevenueBase).

What is the largest company on this list?

ENI Rewind, headquartered in San Donato Milanese, tops this list with the largest team on record.

Which city has the most environmental consulting firms?

Roma leads with 62 headquartered companies, followed by Milano (42) and Rome (31).

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 3,369 verified decision-maker contacts tracked across these 1,275 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.