Company lists · Data refreshed September 2026

Top 25 Big four agencies based in Italy

RevenueBase identified 902 company matches for big four agencies associated with Italy as of September 2026 and tracks 20,995 professional contacts across them, including 6,351 with verified work emails. Milan is the largest hub.

This list covers company matches for big four agencies 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 21, 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 21, 2026 How this list was built
902Companies
20,995Contacts tracked
6,351Verified emails
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The 25 largest big four agencies based in Italy

Ranked by team size
Top 25 of 902 company matches for big four agencies based in Italy, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 21, 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 matchMilan, ItalyHQ recorded Sep 21, 20265,001-10,0007,087 contacts →

Exact match

“PwC Italia è una organizzazione italiana, parte del network Internazionale PwC, che opera per lo sviluppo del nostro Paese con oltre professionisti (in 24 città italiane) al…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
2Exact matchMilan, ItalyHQ recorded Sep 21, 20261,001-5,0005,297 contacts →

Exact match

“KPMG è un Network globale di servizi professionali per le imprese leader nell’Audit, nell’Advisory e nei servizi di Tax & Legal.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
3Exact matchMilan, ItalyHQ recorded Sep 21, 20261,001-5,0001,289 contacts →

Exact match

“BDO is one of the main Global Organisation of business professional services.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
4Exact matchMilan, ItalyHQ recorded Sep 21, 202610001+406 contacts →

Exact match

“Deloitte è tra le più grandi realtà nei servizi professionali alle imprese in Italia, dove è presente da circa 100 anni.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
5Exact matchMilan, ItalyHQ recorded Sep 21, 2026201-500268 contacts →

Exact match

“Società consulenza aziendale, revisione e organizzazione contabile associata al network internazionale Nexia.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
6Exact matchTurin, ItalyHQ recorded Sep 21, 202651-200122 contacts →

Exact match

“With employees in 146 countries, Baker Tilly provides a wide range of innovative and personalized consulting services in the areas of Audit & Advisory, Tax, Legal, and Consulting…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
7Exact matchMilan, ItalyHQ recorded Sep 21, 2026201-500115 contacts →

Exact match

“As attorneys, tax advisers, management and IT consultants and auditors, we are present with 110 own offices in around 50 countries.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
8Exact matchMilan, ItalyHQ recorded Sep 21, 202651-20077 contacts →

Exact match

“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.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
9Exact matchMontebelluna, ItalyHQ recorded Sep 21, 202611-5040 contacts →

Exact match

“Studi Professionali Integrati nasce nel dall’iniziale collaborazione di Dottori Commercialisti ed Avvocati e si sviluppa – secondo un'innovativa visione del servizio professionale…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
10Exact matchTurin, ItalyHQ recorded Sep 21, 202611-5038 contacts →

Exact match

“WE ARE CHARTERED ACCOUNTANTS, LAWYERS AND MANAGEMENT CONSULTANTS.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
11Exact matchTurin, ItalyHQ recorded Sep 21, 202651-20035 contacts →

Exact match

“BGR tax and legal è un'associazione professionale di Dottori Commercialisti, Revisori dei Conti, Avvocati e consulenti, costituita nel 1995 e con sedi a Torino, Milano e Firenze e…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
12Exact matchMilan, ItalyHQ recorded Sep 21, 202611-5033 contacts →

Exact match

“Fondato nel 1974 dal Dr.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
13Exact matchMilan, ItalyHQ recorded Sep 21, 202651-20033 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
14Exact matchRome, ItalyHQ recorded Sep 21, 202611-5032 contacts →

Exact match

“GMG (Global Management Group S.r.l.) è una società di consulenza di direzione attiva in Italia dal 1996, con sede a Roma, costituita da professionisti con diverse esperienze…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
15Exact matchFano, ItalyHQ recorded Sep 21, 202651-20030 contacts →

Exact match

“RENIER E ASSOCIATI è una Associazione tra Professionisti in cui collaborano oltre 44 Addetti, fra le quali vari Professionisti iscritti agli ordini dei Dottori Commercialisti e…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
16Exact matchRimini/bologna/ferrara, ItalyHQ recorded Sep 21, 202611-5027 contacts →

Exact match

“Boldrini Pesaresi & Associati, attraverso il costante aggiornamento dei propri professionisti, crea valore per i clienti mettendo a disposizione di questi ultimi elevate…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
17Exact matchMilan, ItalyHQ recorded Sep 21, 202611-5027 contacts →

Exact match

“Consilia Business Management è una società di consulenza attiva dal 2004 nell'offerta di servizi a società industriali e commerciali, banche, intermediari finanziari, enti e…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
18Exact matchMilan, ItalyHQ recorded Sep 21, 202611-5025 contacts →

Exact match

“FAZZINI HOLZMILLER & PARTNERS è una firm di consulenza fiscale, aziendale e legale che opera a livello nazionale e internazionale.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
19Exact matchTurin, ItalyHQ recorded Sep 21, 202611-5024 contacts →

Exact match

“Ranalli e Associati raggruppa professionisti specializzati nella consulenza fiscale e societaria a favore di PMI e grandi realtà.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
20Exact matchVerona, ItalyHQ recorded Sep 21, 202611-5023 contacts →

Exact match

“Siamo un gruppo di 50 professionisti composto da commercialisti, avvocati, consulenti del lavoro ed esperti in organizzazione aziendale.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
21Exact matchLissone, ItalyHQ recorded Sep 21, 202611-5023 contacts →

Exact match

“Lo Studio Professionale Associato Corti Fumagalli opera nel settore della consulenza tributaria, societaria, aziendale e contabile.”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
22Exact matchMilan, ItalyHQ recorded Sep 21, 202651-20022 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
23Exact matchParma, ItalyHQ recorded Sep 21, 202611-5021 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
24Exact matchBrescia, ItalyHQ recorded Sep 21, 202611-5020 contacts →

Exact match

“Lo Studio Cossu e Associati nasce dalla convinzione che ora, e sempre di più in futuro, le attività professionali potranno essere svolte con gli elevati standards qualitativi…”

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase
25Exact matchModena, ItalyHQ recorded Sep 21, 202611-5020 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 21, 2026 · View company records in RevenueBase

Showing 25 of 902 big four agencies based in Italy

See the full list, filter by size, metro and specialty, and access 6,351 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Big four agencies based in Italy at a glance

As of Sep 21, 2026
30.3%Verified-email coverage
23.3Average contacts per company
1-10Median size (employees)
13.9%Largest-city concentration · Milan
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
525
11-50
327
51-200
29
201-500
7
501-1,000
1
1,001-5,000
2
5,001-10,000
2
10001+
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 902 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 “big four agencies” 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 6,351 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 21, 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.

Big four agencies by metro

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 “big four agencies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many big four agencies are there based in Italy?

RevenueBase identified 902 company matches for big four agencies 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?

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

Which city has the most big four agencies?

Milan leads with 125 company records, followed by Rome (66) and Turin (28).

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 6,351 professional contacts with verified work emails tracked across these 902 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 21, 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.