Credentials & Authority
Why Choose
Marzo Associati
An exclusive focus on tax law, recognition from third parties and a team of 8 professionals. Discover the Firm's approach, publications and credentials.
Awards and Recognition
National Awards and Recognition
Forbes Italia
Eccellenza 2025
Recognised by Forbes Italia for excellence in the Italian legal and tax sector.
Polis Avvocati
Top Law Firm
Giancarlo Marzo is Of Counsel for tax law in the Polis Avvocati guide.
We Wealth
Contributor
Giancarlo Marzo is a lawyer and an editorial contributor to We Wealth, the Italian magazine dedicated to wealth management.
Legalcommunity
Best Law Firm — Gaming
Awarded Migliore Law Firm in the Fiscalità del Gambling category at the Legalcommunity Italian Awards.
Publication
"Fiscalità del Gaming"
Marzo Associati is the author of the handbook «Fiscalità del Gaming», edito da Giuffré Francis Lefebvre — Italy's most authoritative legal publisher. The volume is the reference text for operators, advisers and the Italian Customs and Monopolies Agency (ADM) on the taxation of legal gambling in Italy.
"A monograph devoted entirely to gaming taxation."
Recognised authority that translates into practical expertise for our clients in the sector.
Reviews
What Our Clients Say
"I referred a client of mine to the Firm Marzo Associati for its Superbonus compliance service, and I must say it proved to be an excellent choice. Professionalism, speed and attention to detail were the main qualities I found in their work."
Simone P.
Cliente verificato — Google
"Professionals with proven expertise and sensitivity. I felt at ease from the outset. They justified my trust through a very thorough and careful assessment of my case and their reassuring willingness to help."
Antonello D.
Cliente verificato — Google
"I was fully satisfied, particularly with the professionalism and diligence with which the appeal was handled, ultimately succeeding against the CCIIAA of Latina."
Bruno G.
Cliente verificato — Google
"I must admit that the law and tax firm Marzo Associati is extremely knowledgeable, acting promptly and professionally to resolve my issue with the Italian Revenue Agency (Agenzia delle Entrate)."
Amir B.
Cliente verificato — Google
"The tax law firm Marzo Associati stands out for its professionalism, reliability and precision. Professional, punctual and reliable practitioners whose expertise in tax matters is valuable and effective in resolving problems."
Marco C.
Cliente verificato — Google
"I had the honour of meeting Prof. Avv. Marzo in connection with a debt restructuring agreement involving a tax settlement. I was very impressed by his abilities. A truly professional law firm with an extremely high level of expertise."
Enrico C.
Cliente verificato — Google
The Team
8 Professionals Dedicated to Tax Law
Every member of the Marzo Associati team specialises exclusively in tax law. No generalists: only tax lawyers with experience in litigation, tax advice, gaming, wealth management and corporate tax.
Tax Litigation
Representation at every level of proceedings, from the Provincial Tax Commission (CTP) to the Italian Supreme Court (Corte di Cassazione)
Gaming & Betting
Dedicated team with a monograph published by Giuffré
Wealth Management & Trust
Wealth and succession planning for families and entrepreneurs
International Taxation
Transfer pricing, expatriates e voluntary disclosure
Tax Crimes
Defence in tax crime proceedings integrated with the tax department
Frequently Asked Questions
What recognition has the Firm received?
The Firm is included in the Il Sole 24 Ore – Statista "Studi Legali dell'Anno 2026" ranking and among the Forbes 2025 Legali dell'Eccellenza, and has been recognised by Legalcommunity (2022 and 2023) and Le Fonti (2024).
Does the Firm deal exclusively with tax law?
The practice focuses on tax law and related areas: litigation, corporate and international taxation, indirect taxes, tax crimes, trusts and asset protection.
How is the confidentiality of information managed?
Data and documentation are handled in accordance with professional secrecy obligations and the GDPR, with dedicated channels for exchanging documents and access restricted to the professionals assigned to the matter.
Is a preliminary opinion on feasibility provided?
Before accepting an engagement, the Firm examines the document in question and supporting documentation to assess viability and strategy, explaining the available alternatives and their associated costs.