Company lists · Data refreshed September 2026
Top 20 Solar site assessment firms based in Italy
RevenueBase identified 91 solar site assessment firms headquartered in Italy as of September 2026 and tracks 425 professional contacts across them, including 58 with verified work emails. Roma is the largest hub.
This list covers solar site assessment firms 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.
The 20 largest solar site assessment firms based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 28 contacts → | ||||
Indirect evidence “In Wölmann crediamo che ci sia un modo più conveniente e pulito per avere energia elettrica in casa o in azienda.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 2 | 25 contacts → | ||||
Indirect evidence “Studio Rinnovabili since 2004 works to meet the needs of those who want to develop renewable energy and energy efficiency projects by supporting with engineering and analysis.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 3 | 16 contacts → | ||||
Indirect evidence “Unosolare è il riferimento Unico per il Fotovoltaico.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 4 | 15 contacts → | ||||
Partial evidence “Big solar plant project and development, EPC service, asset management, compliance and technical review, M&A, legal and tax assistance” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 5 | 9 contacts → | ||||
Indirect evidence “Con l'avvento della green-economy e con l'affermazione delle energie rinnovabili, E.R Lux ha dimostrato ancora una volta la capacità di offrire progetti di successo, al fine di…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 6 | 8 contacts → | ||||
Indirect evidence “La FELICE VAI SRL nasce a Torino a fine 2011 come società di servizi nel settore dell'energia rinnovabile e collabora stabilmente con: banche, comuni, tribunali e privati.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 7 | 8 contacts → | ||||
Indirect evidence “Nel panorama degli studi tecnici dell’area energetico-impiantistica ci siamo ritagliati negli anni un posto significativo grazie alla particolare attenzione posta agli aspetti…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 8 | 7 contacts → | ||||
Indirect evidence “RLA, azienda di consulenza per impianti fotovoltaici, rappresenta una realtà consolidata con oltre 10 anni di esperienza nel campo del fotovoltaico.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 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, 2026Thanks. The Data Team will review it. | |||||
| 10 | 7 contacts → | ||||
Indirect evidence “La Diciolla SRL, titolare del marchio ENERGIASOLARE100, è una azienda focalizzata sull'energia rinnovabile.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 11 | 6 contacts → | ||||
Indirect evidence “Pioneer in the photovoltaic market, the ARTHA Consulting team is your ideal partner for developing your business in Italy, and beyond.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 12 | 5 contacts → | ||||
Indirect evidence “Sotto la guida dei soci fondatori, Ing.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 13 | 4 contacts → | ||||
Indirect evidence “L’energia solare come opportunità reale per un presente e un futuro davvero sostenibili.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 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, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Partial evidence “Rebee is a solar energy developer offering services during the project development lifecycle.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 16 | 3 contacts → | ||||
Indirect evidence “Utopia nasce nel 2004 e dal 2008 opera esclusivamente nelle energie rinnovabili.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Indirect evidence “Il nostro obiettivo: energia verde!” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Indirect evidence “La Ingveprogetti nasce nel 2017 per promuovere lo sviluppo di impianti fotovoltaici.” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 19 | 2 contacts → | ||||
Indirect evidence “Lo studio associato, con sede nel cuore di Bergamo, opera con estrema professionalità e flessibilità nel settore della progettazione, direzione lavori e collaudi di impianti…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
| 20 | 1 contacts → | ||||
Indirect evidence “Il nostro team di ingegneri e professionisti del settore guida il cliente in tutte le fasi di interventi finalizzati all’efficienza energetica, seguendo lo studio preliminare del…” Source: RevenueBase Database · checked Sep 18, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: solar site assessment firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names solar site assessment firms.
- Partial evidence
- Its own public description names part of solar site assessment firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name solar site assessment firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 20 of 91 solar site assessment firms based in Italy
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Solar site assessment firms based in Italy at a glance
As of Sep 18, 2026Companies by employee count
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 91 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 site assessment firms, 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 site assessment firms”. 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 site assessment firms), 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 site assessment firms, 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, 58 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 site assessment firms, 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 site assessment firms are there based in Italy?
RevenueBase identified 91 solar site assessment firms 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?
Wölmann, headquartered in Lissone, tops this list with the largest team on record.
Which city has the most solar site assessment firms?
Roma leads with 5 headquartered companies, followed by Siracusa (3) and Milan (2).
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 58 verified decision-maker contacts tracked across these 91 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.
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