Company lists · Data refreshed September 2026

Top 22 Solar maintenance contractors based in Italy

RevenueBase identified 157 solar maintenance contractors headquartered in Italy as of September 2026 and tracks 868 professional contacts across them, including 287 with verified work emails. Roma is the largest hub.

This list covers solar maintenance contractors headquartered in 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 18, 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 18, 2026 86% judged on-target in blind review
157Companies
868Contacts tracked
287Verified emails
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The 22 largest solar maintenance contractors based in Italy

Ranked by team size
Top 22 of 157 solar maintenance contractors based in Italy, ranked by team size, largest first. Data refreshed Sep 18, 2026. RevenueBase Smart Search rates how each company's information relates to solar maintenance contractors: 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 evidenceParma, ItalyHQ checked Sep 18, 2026201-500205 contacts →

Indirect evidence

“Stern Energy, founded in 2008, is an Italy-based company specialized in technical services for photovoltaic plants and BESS systems.”

Source: RevenueBase Database · checked Sep 18, 2026
2Indirect evidenceRovigo, ItalyHQ checked Sep 18, 202651-20043 contacts →

Indirect evidence

“OEMpv nasce nel 2010 dall’esigenza sempre maggiore di fare manutenzione agli impianti fotovoltaici di media e grande dimensione.”

Source: RevenueBase Database · checked Sep 18, 2026
3Indirect evidenceAltamura, ItalyHQ checked Sep 18, 202611-5021 contacts →

Indirect evidence

“Secsun Srl, realtà giovane e dinamica del Sud Italia, sfruttando le crescenti potenzialità del fiorente mercato fotovoltaico ha acquisito un innovativo e sperimentale know how…”

Source: RevenueBase Database · checked Sep 18, 2026
4Indirect evidenceLonato Del Garda, ItalyHQ checked Sep 18, 202611-5019 contacts →

Indirect evidence

“AF Assistenze Fotovoltaico è leader nell'installazione e manutenzione di impianti fotovoltaici.”

Source: RevenueBase Database · checked Sep 18, 2026
5Indirect evidenceMontecchio Maggiore, ItalyHQ checked Sep 18, 202611-5016 contacts →

Indirect evidence

“Unosolare è il riferimento Unico per il Fotovoltaico.”

Source: RevenueBase Database · checked Sep 18, 2026
6Partial evidenceMilan, ItalyHQ checked Sep 18, 20261-1010 contacts →

Partial evidence

“CHI SIAMO Siamo un General Contractor fotovoltaico con track record del team di oltre 70 MW di impianti realizzati in tutta Italia.”

Source: RevenueBase Database · checked Sep 18, 2026
7Indirect evidenceAltamura, ItalyHQ checked Sep 18, 2026201-50010 contacts →

Indirect evidence

“Dal sole a te.”

Source: RevenueBase Database · checked Sep 18, 2026
8Indirect evidenceNuvolento, ItalyHQ checked Sep 18, 202611-509 contacts →

Indirect evidence

“Tecnoace è un'azienda leader nel settore delle energie rinnovabili e della sostenibilità, specializzata nella progettazione, installazione e manutenzione di impianti fotovoltaici…”

Source: RevenueBase Database · checked Sep 18, 2026
9Indirect evidenceMilano, ItalyHQ checked Sep 18, 20261-109 contacts →

Indirect evidence

“GEM è una società fondata nel 2013 con l’obiettivo di supportare gli investitori nel settore fotovoltaico nella gestione e manutenzione degli impianti, garantendone nel tempo…”

Source: RevenueBase Database · checked Sep 18, 2026
10Indirect evidencePozzuoli, ItalyHQ checked Sep 18, 202611-507 contacts →

Indirect evidence

“Impianti & Energie è un azienda di elevato profilo tecnico, specializzata nella realizzazione di impianti energetici, civili ed industriali, alimentati da fonti rinnovabili.”

Source: RevenueBase Database · checked Sep 18, 2026
11Indirect evidenceMilano, ItalyHQ checked Sep 18, 202651-2006 contacts →

Indirect evidence

“Innovatec Energy è l’azienda di Innovatec Group specializzata nella progettazione, fornitura, realizzazione e manutenzione di impianti fotovoltaici di ultima generazione e di…”

Source: RevenueBase Database · checked Sep 18, 2026
12Partial evidenceAgrigento, ItalyHQ checked Sep 18, 20261-106 contacts →

Partial evidence

“Operation & Maintenance per impianti fotovoltaici.”

Source: RevenueBase Database · checked Sep 18, 2026
13Indirect evidenceItalyHQ checked Sep 18, 202651-2005 contacts →

Indirect evidence

“Renewable energy is part of our DNA; it is the vision and passion behind our work.”

Source: RevenueBase Database · checked Sep 18, 2026
14Indirect evidenceLeinì, ItalyHQ checked Sep 18, 202611-504 contacts →

Indirect evidence

“Servizi per impianti da fonti rinnovabili ed efficienza energetica.”

Source: RevenueBase Database · checked Sep 18, 2026
15Indirect evidenceBrescia, ItalyHQ checked Sep 18, 202611-504 contacts →

Indirect evidence

“Ci occupiamo di tutti gli aspetti riguardanti l’impianto fotovoltaico e siamo un punto di riferimento per il cliente garantendo un servizio completo, che inizia dal preventivo…”

Source: RevenueBase Database · checked Sep 18, 2026
16Indirect evidenceAppiano Sulla Strada Del Vino, ItalyHQ checked Sep 18, 20261-103 contacts →

Indirect evidence

“Il nostro obiettivo: energia verde!”

Source: RevenueBase Database · checked Sep 18, 2026
17Indirect evidenceMartinengo, ItalyHQ checked Sep 18, 20261-103 contacts →

Indirect evidence

“Servizi di manutenzione e installazione di impianti fotovoltaici, servizi tecnici e gestione degli aspetti amministrativi di settore in linea con le normative europee.”

Source: RevenueBase Database · checked Sep 18, 2026
18Indirect evidenceTrento, ItalyHQ checked Sep 18, 202611-502 contacts →

Indirect evidence

“Da 35 anni ci occupiamo di installazioni elettriche, sistemi di sicurezza e impianti fotovoltaici.”

Source: RevenueBase Database · checked Sep 18, 2026
19Partial evidenceAncona, ItalyHQ checked Sep 18, 202611-502 contacts →

Partial evidence

“Green Energy Service is specialized in the management, maintenance and revamping of Photovoltaic Systems.”

Source: RevenueBase Database · checked Sep 18, 2026
20Strong evidenceRoma, ItalyHQ checked Sep 18, 20261-102 contacts →

Strong evidence

“We carry out EPC projects for the construction and maintenance of photovoltaic solar plants worldwide.”

Source: RevenueBase Database · checked Sep 18, 2026
21Partial evidenceCagliari, ItalyHQ checked Sep 18, 20261-101 contacts →

Partial evidence

“AC Solar nasce dall’esperienza maturata nella manutenzione e assistenza degli impianti fotovoltaici dal suo fondatore Alessandro Carta.”

Source: RevenueBase Database · checked Sep 18, 2026
22Indirect evidenceGaggio Montano, ItalyHQ checked Sep 18, 20261-101 contacts →

Indirect evidence

“Da più di 10 anni, aiutiamo privati e aziende a risparmiare energia elettrica grazie all'installazione di pannelli fotovoltaici.”

Source: RevenueBase Database · checked Sep 18, 2026

Showing 22 of 157 solar maintenance contractors based in Italy

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Solar maintenance contractors based in Italy at a glance

As of Sep 18, 2026
33.1%Verified-email coverage
5.5Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · Roma
Sep 18, 2026Page data refreshed

Companies by employee count

1-10
88
11-50
56
51-200
8
201-500
2

Email recency for this list is measured worldwide rather than for Italy, so it is reported there. Company counts and contact totals on this page are exact for Italy, over 157 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 solar maintenance contractors, 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 Italy whose own description of what they do matches “solar maintenance contractors”. 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 solar maintenance contractors), 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 solar maintenance contractors, and records with no verified work email. Companies headquartered outside Italy 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, 287 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 18, 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.

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 solar maintenance contractors, 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 solar maintenance contractors are there based in Italy?

RevenueBase identified 157 solar maintenance contractors headquartered in 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?

Stern Energy, headquartered in Parma, tops this list with the largest team on record.

Which city has the most solar maintenance contractors?

Roma leads with 4 headquartered companies, followed by Torino (4) and Altamura (3).

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 287 verified decision-maker contacts tracked across these 157 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 18, 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.