Company lists · Data refreshed September 2026

Top 25 Professional service companies based in Italy

RevenueBase identified 1,604 company matches for professional service companies associated with Italy as of September 2026 and tracks 9,849 professional contacts across them, including 2,997 with verified work emails. Milan is the largest hub.

This list covers company matches for professional service companies 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 20, 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 20, 2026 How this list was built
1,604Companies
9,849Contacts tracked
2,997Verified emails
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The 25 largest professional service companies based in Italy

Ranked by team size
Top 25 of 1,604 company matches for professional service companies based in Italy, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 20, 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 20, 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 20, 2026 · View company records in RevenueBase
2Exact matchMilan, ItalyHQ recorded Sep 20, 2026201-500300 contacts →

Exact match

“WST is a firm providing integrated consultancy in Legal, Tax, Risk, Compliance, ESG and Accounting areas of business.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
3Exact matchTurin, ItalyHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
4Exact matchMilan, ItalyHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
5Exact matchMilan, ItalyHQ recorded Sep 20, 202611-5081 contacts →

Exact match

“EOS è una struttura professionale che mette a disposizione dei suoi clienti programmi di consulenza specialistica destinati agli imprenditori e management di aziende private e…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
6Exact matchMilan, ItalyHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
7Exact matchBergamo, ItalyHQ recorded Sep 20, 202651-20059 contacts →

Exact match

“Lo Studio Berta, Nembrini, Colombini e Associati presta servizi ad aziende, società e lavoratori autonomi.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
8Exact matchMilan, ItalyHQ recorded Sep 20, 202651-20056 contacts →

Exact match

“TCA Triberti Colombo & Associati è uno studio professionale composto da avvocati, commercialisti e consulenti del lavoro.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
9Exact matchMantova, ItalyHQ recorded Sep 20, 202651-20048 contacts →

Exact match

“CDA Studio Legale Tributario si pone, sul mercato della consulenza, come struttura professionale in grado di proporre al mondo imprenditoriale e alla pubblica amministrazione…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
10Exact matchBrescia, ItalyHQ recorded Sep 20, 202611-5045 contacts →

Exact match

“ERGON Commercialisti e Revisori nasce quattordici anni fa con l’obiettivo di fornire un servizio di consulenza innovativo, personalizzato, specializzato, integrato e multi…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
11Exact matchReggio Emilia, ItalyHQ recorded Sep 20, 202651-20044 contacts →

Exact match

“Baldi & Partners opera da oltre 50 anni nell'ambito della consulenza alle aziende.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
12Exact matchMilan, ItalyHQ recorded Sep 20, 202611-5041 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
13Exact matchMilan, ItalyHQ recorded Sep 20, 202611-5040 contacts →

Exact match

“COM Metodi si occupa di consulenza in organizzazione aziendale, operations management, risk management e sistemi di gestione.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
14Exact matchMontebelluna, ItalyHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
15Exact matchBergamo, ItalyHQ recorded Sep 20, 202651-20039 contacts →

Exact match

“CHI SIAMO Affianchiamo gli imprenditori delle PMI italiane nella gestione d’impresa, fornendo consulenza e soluzioni concrete nell’ambito fiscale, amministrativo, finanziario e…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
16Exact matchMilan, ItalyHQ recorded Sep 20, 202611-5039 contacts →

Exact match

“Mpo è una società di consulenza costituita da Dottori Commercialisti, Revisori Legali e Avvocati, specializzata nella strutturazione e facilitazione di operazioni di aggregazione…”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
17Exact matchPadua, ItalyHQ recorded Sep 20, 202651-20038 contacts →

Exact match

“Cortellazzo & Soatto was founded in Padua in 1967 as a professional association by Antonio Cortellazzo and Renzo Soatto.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
18Exact matchTurin, ItalyHQ recorded Sep 20, 202611-5038 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
19Exact matchOrio Al Serio, ItalyHQ recorded Sep 20, 202611-5034 contacts →

Exact match

“Ribo S.r.l.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
20Exact matchReggio Emilia, ItalyHQ recorded Sep 20, 202611-5034 contacts →

Exact match

“PPI & Partners Dottori Commercialisti è uno studio professionale indipendente specializzato in servizi di consulenza societaria, fiscale ed amministrativa.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
21Exact matchMilan, ItalyHQ recorded Sep 20, 202611-5033 contacts →

Exact match

“Fondato nel 1974 dal Dr.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
22Exact matchMilan, ItalyHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase
23Exact matchRome, ItalyHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“FGM Management Consulting è una società di consulenza direzionale e gestionale, che dal 1996 opera in qualità di partner professionale di aziende private e pubbliche.”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
24Exact matchMilan, ItalyHQ recorded Sep 20, 202611-5032 contacts →

Exact match

“Siamo Avvocati, Dottori Commercialisti e Revisori Legali focalizzati sulle attività di Tax & Corporate Siamo creo+”

Recorded in the RevenueBase company graph · Sep 20, 2026 · View company records in RevenueBase
25Exact matchRome, ItalyHQ recorded Sep 20, 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 20, 2026 · View company records in RevenueBase

Showing 25 of 1,604 professional service companies based in Italy

See the full list, filter by size, metro and specialty, and access 2,997 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Professional service companies based in Italy at a glance

As of Sep 20, 2026
30.4%Verified-email coverage
6.1Average contacts per company
1-10Median size (employees)
12.8%Largest-city concentration · Milan
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
994
11-50
546
51-200
46
201-500
6
5,001-10,000
1
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 1,604 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 “professional service companies” 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 2,997 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 20, 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 “professional service companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many professional service companies are there based in Italy?

RevenueBase identified 1,604 company matches for professional service companies 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?

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

Which city has the most professional service companies?

Milan leads with 205 company records, followed by Rome (150) and Turin (42).

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 2,997 professional contacts with verified work emails tracked across these 1,604 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 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 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.