Company lists · Data refreshed September 2026

Top 8 Energy engineering consulting companies based in Rome, Italy

RevenueBase identified 42 energy engineering consulting companies headquartered in Rome, Italy as of September 2026 and tracks 1,134 professional contacts across them, including 115 with verified work emails. Roma is the largest hub.

This list covers energy engineering consulting companies headquartered in Rome, Italy, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 16, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 16, 2026 86% judged on-target in blind review
42Companies
1,134Contacts tracked
115Verified emails
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The 8 largest energy engineering consulting companies based in Rome, Italy

Ranked by team size
Top 8 of 42 energy engineering consulting companies based in Rome, Italy, ranked by team size, largest first. Data refreshed Sep 16, 2026. RevenueBase Smart Search rates how each company's information relates to energy engineering consulting companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceRome, ItalyHQ checked Sep 16, 2026201-500214 contacts →

Indirect evidence

“APS was founded in 1997 in Rome, Italy, and became part of the MAIRE Group on July 30th, 2024, following its acquisition by KT – Kinetics Technology.”

Source: RevenueBase Database · checked Sep 16, 2026
2Partial evidenceRome, ItalyHQ checked Sep 16, 202651-20056 contacts →

Partial evidence

“SRS Servizi di Ricerche e Sviluppo S.r.l, parte di newcleo Group, si occupa di fornire servizi di ingegneria multidisciplinare in ambito energetico industriale e nucleare.”

Source: RevenueBase Database · checked Sep 16, 2026
3Indirect evidenceRome, ItalyHQ checked Sep 16, 202611-5025 contacts →

Indirect evidence

“Rilo Digital Planning S.r.l.”

Source: RevenueBase Database · checked Sep 16, 2026
4Partial evidenceRome, ItalyHQ checked Sep 16, 202611-5012 contacts →

Partial evidence

“Omnivolt nasce dalla passione e dall'esperienza ultraventennale del suo team nel settore dell’elettro forniture e delle consulenze tecniche impiantistiche ed energetiche, con…”

Source: RevenueBase Database · checked Sep 16, 2026
5Partial evidenceRome, ItalyHQ checked Sep 16, 202611-5011 contacts →

Partial evidence

“Verdeco è la Energy Service Company specializzata in efficienza energetica, servizi di ingegneria e fotovoltaico.”

Source: RevenueBase Database · checked Sep 16, 2026
6Indirect evidenceRome, ItalyHQ checked Sep 16, 202611-5010 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 16, 2026
7Partial evidenceRome, ItalyHQ checked Sep 16, 202651-2005 contacts →

Partial evidence

“Fondata nel 2017, Union ISS opera nei settori Rail, Cruise e Energy, combinando affidabilità tecnica e organizzativa con soluzioni ingegneristiche innovative nei campi…”

Source: RevenueBase Database · checked Sep 16, 2026
8Indirect evidenceRome, ItalyHQ checked Sep 16, 202611-504 contacts →

Indirect evidence

“Siamo il tuo partner di valore per la riqualificazione edilizia.”

Source: RevenueBase Database · checked Sep 16, 2026

Showing 8 of 42 energy engineering consulting companies based in Rome, Italy

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Energy engineering consulting companies based in Rome, Italy at a glance

As of Sep 16, 2026
10.1%Verified-email coverage
27.0Average contacts per company
11-50Median size (employees)
238.1%Largest-city concentration · Roma
Sep 16, 2026Page data refreshed

Companies by employee count

1-10
18
11-50
18
51-200
3
201-500
2
501-1,000
1

Email recency for this list is measured across the whole Italy list rather than for Rome, so it is reported there. Company counts and contact totals on this page are exact for Rome, over 42 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among energy engineering consulting companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Rome, Italy whose own description of what they do matches “energy engineering consulting companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names energy engineering consulting companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among energy engineering consulting companies, and records with no verified work email. Companies headquartered outside Rome are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 115 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 16, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Energy engineering consulting companies by metro in Italy

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names energy engineering consulting companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many energy engineering consulting companies are there based in Rome, Italy?

RevenueBase identified 42 energy engineering consulting companies headquartered in Rome, Italy as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

APS, headquartered in Rome, tops this list with the largest team on record.

Which city has the most energy engineering consulting companies?

Roma leads with 100 headquartered companies, followed by Milano (74) and Milan (61).

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 115 verified decision-maker contacts tracked across these 42 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 16, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.