Company lists · Data refreshed September 2026

Top 25 501c3 accounting firms based in Italy

RevenueBase identified 147 company matches for 501c3 accounting firms associated with Italy as of September 2026 and tracks 368 professional contacts across them, including 65 with verified work emails. Turin is the largest hub.

This list covers company matches for 501c3 accounting firms associated with Italy, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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 RevenueBase SmartSearch · Exact Recorded Sep 27, 2026 How this list was built
147Companies
368Contacts tracked
65Verified emails
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The 25 largest 501c3 accounting firms based in Italy

Ranked by team size
Top 25 of 147 company matches for 501c3 accounting firms based in Italy, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchFlorence, ItalyHQ recorded Sep 27, 20261-1010 contacts →

Exact match

“La società Sigma nasce nell’ intento di dare all’impresa tutto il supporto e gli strumenti utili alla gestione contabile e amministrativa dell’azienda stessa e aiutarla nella…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchBusto Arsizio, ItalyHQ recorded Sep 27, 202611-509 contacts →

Exact match

“Athenaeum S.r.l.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchMilan, ItalyHQ recorded Sep 27, 202611-507 contacts →

Exact match

“Lo Studio Maria Nella Palandri Commercialisti è presente a Milano, in Piazza della Conciliazione n° 5, dal 1995.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchPiacenza, ItalyHQ recorded Sep 27, 20261-107 contacts →

Exact match

“Società di revisione e organizzazione contabile operante su tutto il territorio nazionale, nata dall'iniziativa di un gruppo di professionisti iscritti all'Albo dei dottori…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
5Exact matchVarese, ItalyHQ recorded Sep 27, 202611-506 contacts →

Exact match

“Lo studio nasce il 1 luglio 1997 con la decisione di Gianluca Fidanza di tentare l’esperienza in proprio dopo aver collaborato da neolaureato con la società di revisione Ernst &…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchCastelfranco Emilia, ItalyHQ recorded Sep 27, 202611-506 contacts →

Exact match

“Lo studio Commerciale Neri offre servizi di elaborazione della contabilità e redazione di bilanci d'esercizio, servizi in ambito fiscale, elaborazione di buste paga e gestione del…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchBologna, ItalyHQ recorded Sep 27, 20261-105 contacts →

Exact match

“Storico Studio professionale che riunisce Dottori Commercialisti di comprovata esperienza specializzati in consulenza aziendale, societaria e fiscale.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchTurin, ItalyHQ recorded Sep 27, 20261-105 contacts →

Exact match

“Dal 1984 affianchiamo professionisti, freelance, piccole imprese e società nella gestione fiscale e contabile della loro attività.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchMilan, ItalyHQ recorded Sep 27, 202611-504 contacts →

Exact match

“Tax and finance consulting firm.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchFlorence, ItalyHQ recorded Sep 27, 20261-104 contacts →

Exact match

“Addenda Auditing & Consulting svolge attività di revisione contabile, certicazioni di bilancio e organizzazione in materia contabile-amministrativa.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchCernusco Sul Naviglio, ItalyHQ recorded Sep 27, 202611-503 contacts →

Exact match

“Commercialisti, Revisori Contabili, consulenza d'impresa, elaborazione paghe e contributi, da quarant'anni a fianco di imprese, lavoratori autonomi e privati”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchVerona, ItalyHQ recorded Sep 27, 202611-503 contacts →

Exact match

“Studio Rubini & Partners since 1947 Chartered Accountants and Auditors, according to Italian Law.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchBergamo, ItalyHQ recorded Sep 27, 20261-103 contacts →

Exact match

“Lo Studio Associato Salvi Giglio Alferi nasce nel 1995 su iniziativa del rag.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchCagliari, ItalyHQ recorded Sep 27, 20261-103 contacts →

Exact match

“The firm was founded in 1971 by Dr Fabio Murgia, who, having completed the practice for his professional qualification, then took over the firm directly from his dominus.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchLovere, ItalyHQ recorded Sep 27, 20261-103 contacts →

Exact match

“Figlia d’arte, ho iniziato ad amare la mia professione ancor prima di esercitarla, respirandola fin da piccola in casa e nello studio di famiglia.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchComo, ItalyHQ recorded Sep 27, 20261-103 contacts →

Exact match

“Area Societaria e Contrattuale Consulenza ed assistenza ordinaria in materie societarie.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchBrugherio, ItalyHQ recorded Sep 27, 20261-103 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
18Exact matchMantova, ItalyHQ recorded Sep 27, 20261-103 contacts →

Exact match

“Virgiliana Consulting, studio di consulenza aziendale, contabile e fiscale di Mantova, è punto di riferimento per le imprese, le società e i professionisti di ogni tipologia e…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchVicenza, ItalyHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Studio di commercialisti che offre servizi di consulenza fiscale e finanziaria alle aziende e ai privati”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchMilan, ItalyHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Chartered Accountants - Registered Auditors - Business Advisors”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchMilan, ItalyHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Studio Morlino è una struttura composta da commercialisti, revisori contabili e professionisti del settore in grado di seguire in ogni passo i privati e le aziende.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchUdine, ItalyHQ recorded Sep 27, 20261-102 contacts →

Exact match

“LO STUDIO - Professionalità, riservatezza, cortesia e massima attenzione al Cliente.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchMinerbio, ItalyHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Consulenza fiscale e contabile”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchSan Lazzaro Di Savena, ItalyHQ recorded Sep 27, 20261-102 contacts →

Exact match

“Commercialisti e revisori legali - via Saragozza 12, Bologna (Italy) Tel.+39-051-580014 - Fax +39-051-580464 Professionisti- Rag.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchCogliate, ItalyHQ recorded Sep 27, 20261-102 contacts →

Exact match

“La società fornisce servizi contabili, fiscali e di consulenza aziendale per persone fisiche, società ed enti.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 147 501c3 accounting firms based in Italy

See the full list, filter by size, metro and specialty, and access 65 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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501c3 accounting firms based in Italy at a glance

As of Sep 27, 2026
17.7%Verified-email coverage
2.5Average contacts per company
1-10Median size (employees)
6.1%Largest-city concentration · Turin
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
117
11-50
27
51-200
3

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 147 companies.

How this list was built

The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies
Company records associated with Italy whose business descriptions match “501c3 accounting firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
RevenueBase SmartSearch
Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
Public preview
The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
Match quality
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
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 displayed company carries at least one verified work email. RevenueBase tracks 65 professional contacts with verified work emails across the full matched dataset. 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 27, 2026. Lists refresh periodically as the graph is re-checked.
Record context
Company records and descriptions can change. Check the company's website for its current services and locations.

Frequently asked

What is RevenueBase SmartSearch?

RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “501c3 accounting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many 501c3 accounting firms are there based in Italy?

RevenueBase identified 147 company matches for 501c3 accounting firms associated with Italy as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.

What is the largest company on this list?

Sigma SAS tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most 501c3 accounting firms?

Turin leads with 9 company records, followed by Rome (7) and Milan (5).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 65 professional contacts with verified work emails tracked across these 147 companies; direct dials are available where recorded.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 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 SmartSearch, 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.