Company lists · Data refreshed September 2026

Top 25 Nonprofit tax compliance firms based in Italy

RevenueBase identified 412 nonprofit tax compliance firms headquartered in Italy as of September 2026 and tracks 1,460 professional contacts across them, including 289 with verified work emails. Milano is the largest hub.

This list covers nonprofit tax compliance 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 20, 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 20, 2026 86% judged on-target in blind review
412Companies
1,460Contacts tracked
289Verified emails
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The 25 largest nonprofit tax compliance firms based in Italy

Ranked by team size
Top 25 of 412 nonprofit tax compliance firms based in Italy, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to nonprofit tax compliance firms: 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 evidenceMilano, ItalyHQ checked Sep 20, 202651-20022 contacts →

Indirect evidence

“Studitalia offre consulenza fiscale, contabile, del lavoro e legale a aziende e privati.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceParma, ItalyHQ checked Sep 20, 202611-5021 contacts →

Indirect evidence

“Da 40 anni lo Studio Lettera Zanardi Borelli & Associati, studio di commercialisti associati in Parma, si occupa di consulenza fiscale ed aziendale.”

Source: RevenueBase Database · checked Sep 20, 2026
3Indirect evidenceModena, ItalyHQ checked Sep 20, 202611-5020 contacts →

Indirect evidence

“Founded in 1986, Studio Abaco - Commercialisti Associati is an accounting firm based in the Italian city of Modena.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceLivorno, ItalyHQ checked Sep 20, 202611-5020 contacts →

Indirect evidence

“Assistenza e consulenza aziendale, Perizie, contabilità e bilanci, contenzioso tributario, Revisione contabile, Ristrutturazioni aziendali, consulenza in materia di lavoro.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceMilan, ItalyHQ checked Sep 20, 202611-5017 contacts →

Indirect evidence

“Siamo una società di consulenza fiscale, aziendale e manageriale con sede principalmente a Milano - Torino - Cosenza.”

Source: RevenueBase Database · checked Sep 20, 2026
6Indirect evidenceMilano, ItalyHQ checked Sep 20, 202611-5016 contacts →

Indirect evidence

“Fondato nel 1963 per volontà del titolare Adriano Ripamonti, con l'ausilio di alcuni collaboratori, lo Studio Ripamonti occupa oggi circa cinquanta dipendenti e offre i propri…”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceMilano, ItalyHQ checked Sep 20, 202611-5015 contacts →

Indirect evidence

“Lo studio Mascherpa e Associati nasce a Milano alla fine del 2017 per iniziativa del dottor Fabio Mascherpa, Dottore Commercialista e Revisore Legale, presente su Milano e Pavia…”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceBologna, ItalyHQ checked Sep 20, 20261-1015 contacts →

Indirect evidence

“Supportiamo le organizzazioni del Terzo settore nella gestione amministrativa, contabile e fiscale offrendo informazione, formazione e consulenza”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceAvellino, ItalyHQ checked Sep 20, 202611-5013 contacts →

Indirect evidence

“Audit & Business Consulting S.r.l.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceMilan, ItalyHQ checked Sep 20, 202611-5012 contacts →

Indirect evidence

“We believe in the undisputed potential of our clients.”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceVerona, ItalyHQ checked Sep 20, 202611-5012 contacts →

Indirect evidence

“La nostra mission consiste nell'assistenza dei nostri clienti nel proprio business dalla A alla Z, coniugando grande disponibilità a grandi e comprovate competenze.”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceCatania, ItalyHQ checked Sep 20, 20261-1012 contacts →

Indirect evidence

“Il problema principale di piccole e medie imprese è la ̀ tra e?”

Source: RevenueBase Database · checked Sep 20, 2026
13Indirect evidenceRoma, ItalyHQ checked Sep 20, 20261-1011 contacts →

Indirect evidence

“Consulens è la piattaforma SaaS di servizi integrati per professionisti, PMI e startup orientati alla digitalizzazione dei processi aziendali.”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceLodi, ItalyHQ checked Sep 20, 202611-5010 contacts →

Indirect evidence

“Operiamo nel campo della consulenza alle imprese, imprenditori e professionisti vantando una consolidata esperienza nel settore.”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceBrembate, ItalyHQ checked Sep 20, 202611-5010 contacts →

Indirect evidence

“Offriamo servizi di contabilità e di consulenza, sempre al passo con le normative più recenti, progettati con il cliente e per il cliente.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceFlorence, ItalyHQ checked Sep 20, 20261-1010 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceCastelnovo Nè Monti, ItalyHQ checked Sep 20, 202611-5010 contacts →

Indirect evidence

“Lo Studio Canovi è uno studio di professionisti esperti in servizi nel settore della consulenza gestionale, finanziaria, fiscale e legale.”

Source: RevenueBase Database · checked Sep 20, 2026
18Partial evidenceMilan, ItalyHQ checked Sep 20, 202611-509 contacts →

Partial evidence

“We are a firm of advisors which has been active in Milan in the field of corporate and tax consultancy for more than fifty years.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceVicenza, ItalyHQ checked Sep 20, 202611-508 contacts →

Indirect evidence

“Siamo una società di consulenza strategica, organizzativa e fiscale, per aziende.”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceBolzano, ItalyHQ checked Sep 20, 20261-108 contacts →

Indirect evidence

“Di cosa si occupa Alps Audit- Revisione Legale - Organizzazione contabile e controllo di gestione - Advisory - Certificazione credito d'imposta e contributi - Assistenza per i…”

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidenceBusto Arsizio, ItalyHQ checked Sep 20, 20261-107 contacts →

Indirect evidence

“AdCerta is an accounting & consulting firm.”

Source: RevenueBase Database · checked Sep 20, 2026
22Strong evidenceItalyHQ checked Sep 20, 20261-107 contacts →

Strong evidence

“Supportiamo da vicino chi fa impresa fornendo consulenza specializzata in Corporate Finance • Compliance 231 • Tax e HR management.”

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceBrescia, ItalyHQ checked Sep 20, 20261-106 contacts →

Indirect evidence

“LO STUDIO Lo Studio Donati Crapanzano nasce nel 2008 dalla passione e da un progetto comune dei soci fondatori.”

Source: RevenueBase Database · checked Sep 20, 2026
24Indirect evidenceVarese, ItalyHQ checked Sep 20, 202611-506 contacts →

Indirect evidence

“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 &…”

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidencePadua, ItalyHQ checked Sep 20, 20261-106 contacts →

Indirect evidence

“Chi siamo e cosa facciamo ASB Consulting, una valida squadra di professionisti nata nel 2006, si rivolge ad aziende, professionisti e privati, nazionali ed esteri offrendo loro…”

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 412 nonprofit tax compliance firms based in Italy

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Nonprofit tax compliance firms based in Italy at a glance

As of Sep 20, 2026
19.8%Verified-email coverage
3.5Average contacts per company
1-10Median size (employees)
4.9%Largest-city concentration · Milano
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
308
11-50
94
51-200
7
201-500
1

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 412 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 nonprofit tax compliance 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 “nonprofit tax compliance 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 nonprofit tax compliance 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 nonprofit tax compliance 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, 289 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 20, 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 nonprofit tax compliance 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 nonprofit tax compliance firms are there based in Italy?

RevenueBase identified 412 nonprofit tax compliance 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?

Studitalia, headquartered in Milano, tops this list with the largest team on record.

Which city has the most nonprofit tax compliance firms?

Milano leads with 20 headquartered companies, followed by Roma (20) and Milan (14).

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 289 verified decision-maker contacts tracked across these 412 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 20, 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.