Company lists · Data refreshed September 2026
Top 25 International tax services based in Italy
RevenueBase identified 857 international tax services headquartered in Italy as of September 2026 and tracks 5,736 professional contacts across them, including 1,826 with verified work emails. Milano is the largest hub.
This list covers international tax services 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.
The 25 largest international tax services based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 146 contacts → | ||||
Indirect evidence “Tonucci & Partners nasce nel 1994 con l’obiettivo di fornire i più ampi servizi legali in un contesto sia nazionale sia estero, sviluppando rapidamente la propria organizzazione e…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 2 | 139 contacts → | ||||
Indirect evidence “Soluzione Tasse è una società specializzata in pianificazione fiscale e protezione del patrimonio che si avvale di team di 35 professionisti, tra cui dottori commercialisti…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 3 | 118 contacts → | ||||
Indirect evidence “Combiniamo il servizio rapido, flessibile e fortemente personalizzato delle boutique professionali con l'elevata competenza e il rigore dei grandi network internazionali.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 4 | 115 contacts → | ||||
Partial evidence “As attorneys, tax advisers, management and IT consultants and auditors, we are present with 110 own offices in around 50 countries.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 5 | 92 contacts → | ||||
Strong evidence “HAGER & PARTNERS is an independent consultancy firm for national and international tax and company law, corporate finance and auditing based in Milan, Bolzano and Rome.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 6 | 91 contacts → | ||||
Partial evidence “Maisto e Associati is an independent Italian law firm specialised in tax law.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 7 | 77 contacts → | ||||
Partial evidence “RSM Italy Tax Legal & Advisory is an Italian professional firm offering high value-added consulting services in the tax, legal, accounting, M&A and advisory fields.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 8 | 64 contacts → | ||||
Indirect evidence “Unistudio is a partnership consisting of 6 partners, 7 associates, and a team of self-employed assistants and employees, bringing the total workforce to over 40 professionals.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 9 | 53 contacts → | ||||
Partial evidence “Spada Partners is an independent full-service Financial, Tax and Accounting Firm.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 10 | 42 contacts → | ||||
Indirect evidence “Lo Studio Biscozzi Nobili & Partners persegue l’eccellenza attraverso la fusione di esperienze e competenze differenti, in ambito sia legale che fiscale, maturate in decenni di…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 11 | 41 contacts → | ||||
Indirect evidence “BC & Studio di Consulenza Societaria Tributaria e Legale was founded in 1997 by its partners, Alberto Bestetti and Umberto Cattaneo, who – having successfully improved the…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 12 | 40 contacts → | ||||
Indirect evidence “CT & P Commercialisti Associati a partire da gennaio 2022 è la nuova denominazione dello studio precedentemente conosciuto come CT & P Capone | Ticozzi | Partners.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 13 | 40 contacts → | ||||
Indirect evidence “Alma LED is a professional firm born from the integration of Alma Società tra Avvocati and LED Taxand.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 14 | 39 contacts → | ||||
Partial evidence “The Tax Law firm Fantozzi & Associati was founded in 1975 by Augusto Fantozzi who was a lawyer and full professor of tax law at “La Sapienza” University and at “LUISS University…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 15 | 37 contacts → | ||||
Partial evidence “Arletti & Partners is a leading Italian advisory firm specialized in Global Mobility, international taxation and cross-border workforce management.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 16 | 37 contacts → | ||||
Indirect evidence “Vanzetta & Associati was established as a professional boutique thanks to over 20-years of experience and intuition of the professional Mara Vanzetta, in partnership with other…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 17 | 34 contacts → | ||||
Strong evidence “WTS R&A Studio Tributario is a professional tax consultancy firm specialized in domestic and international taxation, with offices in Milan, Brescia, Rome, Turin and Verona.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 18 | 33 contacts → | ||||
Indirect evidence “Guidato dai 3 partner, Edoardo Caravati, Piero Pagani, Filippo Caravati, lo Studio opera nel settore della consulenza Tributaria, Societaria, Aziendale e Contabile, con uffici in…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 19 | 30 contacts → | ||||
Indirect evidence “Lo Studio Tributario Deiure è stato fondato nel 1980 dal Dottor Giuseppe Deiure.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 20 | 28 contacts → | ||||
Indirect evidence “Lo Studio Bandera garantisce alla propria clientela una consulenza professionale, qualificata e multidisciplinare sulle tematiche di natura tributaria, societaria e giuridica per…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 21 | 28 contacts → | ||||
Partial evidence “Dal 1988, B&C Tax Studio Associato Tributario e Societario è attivo nel settore della consulenza fiscale e societaria, abbracciando tutti i settori delle imposte dirette e…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 22 | 27 contacts → | ||||
Indirect evidence “Boldrini Pesaresi & Associati, attraverso il costante aggiornamento dei propri professionisti, crea valore per i clienti mettendo a disposizione di questi ultimi elevate…” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 23 | 25 contacts → | ||||
Indirect evidence “FAZZINI HOLZMILLER & PARTNERS è una firm di consulenza fiscale, aziendale e legale che opera a livello nazionale e internazionale.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 24 | 24 contacts → | ||||
Indirect evidence “Ranalli e Associati raggruppa professionisti specializzati nella consulenza fiscale e societaria a favore di PMI e grandi realtà.” Source: RevenueBase Database · checked Sep 20, 2026Thanks. The Data Team will review it. | |||||
| 25 | 23 contacts → | ||||
Indirect evidence “We are a professional firm, active since 1957, operating in the fields typically associated with members of the orders of chartered accountants and accounting experts, as well as…” Source: RevenueBase Database · checked Sep 20, 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: international tax services. 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 international tax services.
- Partial evidence
- Its own public description names part of international tax services, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name international tax services. 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 25 of 857 international tax services based in Italy
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International tax services based in Italy at a glance
As of Sep 20, 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 857 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 international tax services, 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 “international tax services”. 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 international tax services), 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 international tax services, 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, 1,826 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.
International tax services by metro
- International tax services in Milano73
- International tax services in Milan63
- International tax services in Roma50
- International tax services in Rome40
- International tax services in Milano Mi25
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 international tax services, 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 international tax services are there based in Italy?
RevenueBase identified 857 international tax services 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?
Tonucci & Partners, headquartered in Rome, tops this list with the largest team on record.
Which city has the most international tax services?
Milano leads with 73 headquartered companies, followed by Milan (63) and Roma (50).
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 1,826 verified decision-maker contacts tracked across these 857 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.
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