Company lists · Data refreshed September 2026
Top 25 Big 4 law firms based in Italy
RevenueBase identified 3,805 big 4 law firms headquartered in Italy as of September 2026 and tracks 29,512 professional contacts across them, including 11,451 with verified work emails and 1,202 with mobile numbers. Milano is the largest hub.
This list covers big 4 law 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 23, 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 big 4 law firms based in Italy
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 819 contacts → | ||||
Indirect evidence “BonelliErede è leader in Italia nei servizi legali e fiscali, attivo in tutti i settori del diritto commerciale e nel diritto penale d'impresa.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 2 | 657 contacts → | ||||
Partial evidence “Chiomenti is the foremost law firm in Italy with an international outlook.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 3 | 644 contacts → | ||||
Indirect evidence “Gianni & Origoni è uno studio legale che offre consulenza e assistenza ad aziende italiane e straniere in tutti i settori del diritto degli affari.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 4 | 589 contacts → | ||||
Indirect evidence “Consulenza ed assistenza legale giudiziale e stragiudiziale” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 5 | 545 contacts → | ||||
Partial evidence “Legance is an independent Italian law firm with expert, active and result-oriented professionals, with a strong team spirit that has permitted a flexible and incisive…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 6 | 514 contacts → | ||||
Indirect evidence “Fondato nel ADVANT Nctm è uno studio legale indipendente con oltre 360 avvocati e dottori commercialisti, uno dei principali in Italia.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 7 | 419 contacts → | ||||
Partial evidence “With approximately 380 professionals and offices in Milan, Rome, and Turin, PedersoliGattai is one of the leading law firms in Italy, holding a leadership position in the fields…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 8 | 344 contacts → | ||||
Partial evidence “LCA is an independent, full-service law firm, specialised in providing legal assistance to companies worldwide.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 9 | 300 contacts → | ||||
Indirect evidence “WST is a firm providing integrated consultancy in Legal, Tax, Risk, Compliance, ESG and Accounting areas of business.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 10 | 249 contacts → | ||||
Partial evidence “BussolettiNuzzo Avvocati is a law firm based in Rome which has been operating on the market for more than 20 years.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 11 | 212 contacts → | ||||
Partial evidence “We are an independent legal and tax firm founded in 1985, deeply rooted both nationally, with 4 offices in Italy (Milan, Rome, Padua, and Venice), and internationally, with an…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 12 | 210 contacts → | ||||
Partial evidence “GRIMALDI ALLIANCE is an elite global law firm serving leading clients worldwide, both private and public, as well as European institutions and EU and International Agencies and…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 13 | 200 contacts → | ||||
Partial evidence “Gatti Pavesi Bianchi Ludovici is an independent law firm with offices in Milan, Rome and London.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 14 | 189 contacts → | ||||
Partial evidence “RPLT is an Italian independent law and tax firm, founded in 1949, with 6 offices throughout Italy, major international links, and more than one hundred and seventy highly skilled…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 15 | 165 contacts → | ||||
Indirect evidence “bureau Plattner is a firm of tax advisors, auditors and lawyers with over 250 team members and seven offices in Italy in Bolzano, Genoa, Merano, Milan, Padua, Treviso and Venice.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 16 | 156 contacts → | ||||
Partial evidence “Pavia e Ansaldo is an independent Italian law firm which has been operating in Italy and abroad for over 60 years.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 17 | 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 23, 2026Thanks. The Data Team will review it. | |||||
| 18 | 122 contacts → | ||||
Indirect evidence “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…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 19 | 121 contacts → | ||||
Partial evidence “Toffoletto De Luca Tamajo is a law firm specialising in employment law and HR advisory services for businesses.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 20 | 121 contacts → | ||||
Partial evidence “LEXIA is an independent law firm representing a new generation of leading lawyers united by shared values, a common vision, and a commitment to excellence.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 21 | 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 23, 2026Thanks. The Data Team will review it. | |||||
| 22 | 115 contacts → | ||||
Indirect 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 23, 2026Thanks. The Data Team will review it. | |||||
| 23 | 112 contacts → | ||||
Partial evidence “Ughi e Nunziante was established in 1969 as a result of the merger of two pre-existing law firms founded by Giovanni M.” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 24 | 107 contacts → | ||||
Partial evidence “Orsingher Ortu is a sophisticated, international business law practice with a strong focus on, and acknowledged expertise in, the technology and media sector and corporate finance…” Source: RevenueBase Database · checked Sep 23, 2026Thanks. The Data Team will review it. | |||||
| 25 | 107 contacts → | ||||
Partial evidence “CARNELUTTI Law Firm is one of the most renowned corporate law firms in the Italian market, with a strong international practice and a long tradition of cross-border deals…” Source: RevenueBase Database · checked Sep 23, 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: big 4 law firms. 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 big 4 law firms.
- Partial evidence
- Its own public description names part of big 4 law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name big 4 law firms. 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 3,805 big 4 law firms based in Italy
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Big 4 law firms based in Italy at a glance
As of Sep 23, 2026Companies by employee count
Freshness & accuracy
How recently the business emails were verified and the company information checked
Email last verified
Median 25.0dCompany record updated
Median 77.0dHow 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 big 4 law 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 “big 4 law 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 big 4 law 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 big 4 law 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, 11,451 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 23, 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.
Big 4 law firms by metro
- Big 4 law firms in Milano424
- Big 4 law firms in Roma353
- Big 4 law firms in Milan253
- Big 4 law firms in Rome157
- Big 4 law firms in Torino99
- Big 4 law firms in Bologna93
- Big 4 law firms in Napoli73
- Big 4 law firms in Padova72
- Big 4 law firms in Firenze54
- Big 4 law firms in Verona54
- Big 4 law firms in Bergamo48
- Big 4 law firms in Modena43
- Big 4 law firms in Turin43
- Big 4 law firms in Bari42
- Big 4 law firms in Genova39
- Big 4 law firms in Brescia38
- Big 4 law firms in Vicenza36
- Big 4 law firms in Treviso35
- Big 4 law firms in Udine28
- Big 4 law firms in Monza25
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 big 4 law 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 big 4 law firms are there based in Italy?
RevenueBase identified 3,805 big 4 law 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?
Bonellierede, headquartered in Italy, tops this list with the largest team on record.
Which city has the most big 4 law firms?
Milano leads with 424 headquartered companies, followed by Roma (353) and Milan (253).
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 11,451 verified decision-maker contacts tracked across these 3,805 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 23, 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.