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Gianni & Origoni

Stefano Grilli

Stefano Grilli



  • Taxation
  • Art Law

WSG Practice Industries



Stefano Grilli is Co-head of the Tax department.

He is Senior Counsel of the Italian Minister of Finance for international tax matters in connection with the Italian Presidency of the G20.

He is member of the Advisory Board of the Belt and Road Initiative Tax Administration Cooperation Mechanism.

He is Adjunct Professor of International Tax Law at the University of Milan Bicocca. Visiting Professor in International Tax Law at the University of International Business and Economics of Beijing (People’s Republic of China). Lecturer at the Adv. LL.M. Program in International Tax Law of the University of Amsterdam (the Netherlands).

He focuses on the tax aspects of debt capital market and equity capital market transactions (IPOs, asset finance transactions, structured finance products and derivatives). He advises domestic and cross-border industrial groups in corporate taxation, mergers and acquisitions, tax planning, transfer pricing issues and indirect taxes. He also gained an extensive experience in relation to tax litigation issues.

Before joining the Firm in 2011, Stefano worked in a leading Italian tax law firm.

Stefano obtained his Ph.D. on International and European Tax Law from the University of Bergamo; he also obtained a Master degree (Adv. LL.M.) in International Taxation from the International Tax Centre - Leiden University (the Netherlands); he graduated in Economics from the University “Luigi Bocconi” of Milan.

He was admitted to the Association of Chartered Accountant (Ordine dei dottori commercialisti) and to the Association of Certified Auditor (Albo dei Revisori Contabili) in 1997.

He speaks Italian, English and French.

Bar Admissions

  • MILAN Chartered Accountants Bar (Italy)


  • University "Luigi Bocconi" of Milan
  • Leiden University, International Tax Centre, Adv. LL.M. in International Taxation
Areas of Practice

Art Law | Taxation

Professional Career

Professional Activities and Experience

Before joining the firm in 2011, Stefano worked in a leading Italian tax law firm.


COVID-19: Health and Safety Protocol
Gianni & Origoni, March 2020

COVID-19: health and safety protocol - Last night the Italian Government and National representatives of employers’ associations and unions have reached an agreement over a COVID-19 health & safety protocol that employers need to implement to ensure the maximum possible protection of their employees against the COVID-19 virus. This protocol is a crucial step to allow business continuity for manufacturing companies and professional service providers...

EU legal Framework on State Aid and Coronavirus: Flexibility in the Enforcement of the Rules
Gianni & Origoni, March 2020

During the press conference of 13 March 2020, Executive Vice-President Margrethe Vestager made a statement regarding the enforcement of EU State aid in connection with measures adopted by Member States to combat the negative repercussions of COVID-19 on the economy...

COVID-19: Protection of Employees’ Health and Other Impacts on Businesses
Gianni & Origoni, March 2020

The sudden rise in the number Covid-19 (“Coronavirus”) cases in Lombardy and other Italian Regions has prompted the relevant governmental authorities to adopt urgent measures to prevent and limit the spread of the virus, and this is starting to have an impact on the economy. In connection with these measures, on 31 January Italian government has declared a six-month state of emergency, which expires on 31 July 2020 (unless it is extended)...

WSG's members are independent firms and are not affiliated in the joint practice of professional services. Each member exercises its own individual judgments on all client matters.

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