This selection of large Italian firms includes several prominent legal practices and professional services networks. Companies like PwC Italy, Deloitte Italia, and KPMG Italy offer extensive audit, tax, and advisory services. Law firms such as Pirola Pennuto Zei & Associati and BonelliErede specialize in tax, corporate, and legal consulting, serving both national and international clients. Additionally, Wolters Kluwer Italia provides professional information and software solutions, while Giuffrè Francis Lefebvre is a publishing house for legal professionals.
A clear pattern emerges with a strong concentration of headquarters in Milan, housing major players like KPMG Italy, PwC Italy, Deloitte Italia, and Pirola Pennuto Zei & Associati. Rome also features prominently with firms such as Chiomenti and Gianni & Origoni. While many firms focus on legal and professional services, there are also specialized companies like Propria srl, involved in R&D and engineering services, and Avvocatura Generale dello Stato, which provides legal counsel for state administrations.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
KPMG Italykpmg.com
A global professional services network providing audit, advisory, tax, and legal services to businesses worldwide, focusing on building trust and driving change |
265,000 | |||
| 2 |
Studio legalestudiocorriaslucente.it
Legal office specializing in criminal law, providing legal representation and advice |
15,087 | |||
| 3 | 7,793 | ||||
| 4 |
Deloitte Italiaglickon.com
Deloitte provides professional services in Italy with a focus on audit, tax, consulting, risk, and financial advisory It offers innovative solutions to clients globally |
2,481 | |||
| 5 | 2,433 | ||||
| 6 |
Studio Legale Avv. Stefano Corsiniavvocatocorsini.it
The company provides services in civil IT law, data privacy, online reputation protection, e-commerce, intellectual property, copyright, and digital administration law |
1,530 | |||
| 7 |
Wolters Kluwer Italiawolterskluwer.com
A global provider of professional information, software solutions, and services across various industries for critical decision-making and improved productivity |
1,265 | |||
| 8 |
Pirola Pennuto Zei & Associatipirolapennutozei.it
Specializing in tax, corporate, and legal consulting services, this independent firm in Italy provides high-quality solutions to multinational companies with a team of over 500 professionals |
963 | |||
| 9 |
CBAcbalex.com
A tax and law firm with over 30 years of experience, offering global services for national and foreign enterprises in Italy and abroad |
931 | |||
| 10 |
BonelliEredebelex.com
A leading legal and tax services provider in Italy, offering multidisciplinary expertise and specialized support through focus teams for international clients |
879 | |||
| 11 |
Chiomentichiomenti.net
A leading Italian law firm with a global reach, offering specialized legal services to businesses and institutions across various sectors and geographical regions |
735 | |||
| 12 |
Gianni & Origonigop.it
A full-service business law firm with over 450 professionals providing global legal services to Italian and foreign clients across different sectors |
701 | |||
| 13 |
Giuffrè Francis Lefebvregiuffrefrancislefebvre.it
A publishing house providing legal professionals with over 15,000 titles, 40 journals, online legal research tools, management software, and training courses since 1931 |
665 | |||
| 14 |
Legancelegance.com
An independent Italian law firm with expert professionals providing global legal services to major Italian and foreign clients in various practice areas |
635 | |||
| 15 |
Avvocatura Generale dello Statoavvocaturastato.it
The organization provides legal counsel and defense for State Administrations in various legal proceedings, with a central office in Rome and regional branches |
613 | |||
| 16 |
ADVANT Nctmadvant-nctm.com
An independent legal and tax advisory group in Italy with over 280 professionals, guiding clients in navigating European legal and commercial complexities |
561 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 17 |
PedersoliGattaipglex.it
PedersoliGattai is a leading Italian law firm with 350 professionals across Milan, Rome, and Turin, specializing in corporate M&A, private equity, banking & finance, capital markets, and high-profile litigation |
479 | |||
| 18 |
Studio Legale AREAgoogle.com
A boutique law firm specializing in Italian law, providing legal representation and counsel on complex matters to international clients and individuals |
478 | |||
| 19 |
PRAXIpraxi.praxi
Group of Italian consulting firms providing management consulting, digital solutions, valuations, intellectual property, and executive search services. |
448 | |||
| 20 |
Milan Bar Councilordineavvocatimilano.it
Professional membership body representing solicitors in the Milanese area, overseeing career admission, practice, training, and international relations for the legal community |
424 | |||
| 21 |
LCA Studio Legalelcalex.it
An independent law firm with offices in Italy, Belgium, and the UAE, providing specialized legal assistance to companies worldwide in various areas of business law |
423 | |||
| 22 |
Studio Legale e Tributariosapglegal.com
A professional law firm advising clients in manufacturing, commerce, and services on tax, company, administrative, and civil law matters |
403 | |||
| 23 |
Studio professionale di consulenza fiscale, legale e finanziariatlfadvisory.it
The company is a group of professionals providing business, financial, tax, and legal consulting services, with expertise in ordinary, extraordinary, and subsidized finance |
381 | |||
| 24 |
WST Law & Tax Firmwstlegal.eu
A firm that offers integrated consultancy services in Legal, Tax, Risk, Compliance, ESG, and Accounting areas for businesses |
351 | |||
| 25 |
GA-Alliancega-alliance.eu
Elite global law firm offering innovative and comprehensive legal services to leading clients worldwide, with expertise in cross-border activities and strategic counseling |
321 | |||
| 26 |
Benigni & Kbenignibk.com
Benigni&K is a professional studio specializing in various areas, focusing on growth through mergers and acquisitions to provide tailored services globally |
315 | |||
| 27 |
NexumStp S.p.a. Società Benefitnexumstp.it
Nexum is an alliance of professionals dedicated to supporting small and medium-sized businesses with innovation and expertise in various sectors |
245 | |||
| 28 |
Studio legale propriostudiolegalepo.com
A professional legal firm in Modena, Italy specializing in international business and commercial law, offering legal services to a variety of clients |
236 | |||
| 29 |
PedersoliGattaipglex.it
PedersoliGattai is a leading Italian law firm with 350 professionals across Milan, Rome, and Turin, specializing in corporate law, private equity, banking, finance, and litigation |
187 | |||
| 30 |
Group One Advocatesgroupone.co.za
Established in 1999, our company in Sandton provides top-notch legal advice and advocacy while upholding high ethical standards and promoting diversity in the legal profession |
74 | |||
| 31 |
BGSM & Partnersbgsm.it
Professional consulting firm providing expertise in national and international taxation, business law, and management for companies in industrial sectors Specialized team offers personalized support |
22 | |||
| 32 |
Paratore Vannini & Partnersparatore.it
A specialized team of legal and tax experts offering reliable and timely services, leveraging a network of high-quality resources, certifications, and innovative organizational models |
10 | |||
| 33 |
DILAdilabusiness.com
Provide comprehensive legal advice and support for clients looking to invest in the United Arab Emirates, ensuring compliance with local and international laws |
5 | |||
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Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Italy
- The largest companies in Italy 10,708
- Multinational companies in Italy 2,339
- Manufacturers in Italy 1,879
- Companies with in-house R&D in Italy 1,418
- Retail chains in Italy 1,320
- Family-owned companies in Italy 803
- Consumer goods companies in Italy 783
- Hardware manufacturers in Italy 765
- Food and Beverage Manufacturing companies in Italy 671
- Critical infrastructure operators in Italy 622
- Retail Apparel and Fashion companies in Italy 608
- Financial services firms in Italy 588
- Food and beverage companies in Italy 587
- Corporate groups and holding companies in Italy 561
- IT services companies in Italy 499
- E-commerce companies in Italy 495
- Luxury brands in Italy 474
- Software Development companies in Italy 456
- IT Services and IT Consulting companies in Italy 440
- Transportation, Logistics, Supply Chain and Storage companies in Italy 409
- Professional services firms in Italy 398
- Contract manufacturers in Italy 395
- Companies with a mobile app in Italy 394
- Public sector organisations in Italy 392
The same list elsewhere
- Law firms in the world 3,223
- Law firms in Europe 1,618