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Work +39 02 89 62 21
Fax +39 02 89 62 23 33
Milan, Rome

Stefano Nanni Costa

Work +39 02 89 62 21
Lombardi Segni e Associati

Work Department

Corporate and commercial - Domestic and international litigation and arbitration - Mergers and acquisitions - Private equity - Banking and finance - Insolvency and corporate restructuring


At the beginning Stefano Nanni Costa's practice was focused on litigation and arbitration (corporate, commercial, bankruptcy and IP matters) and antitrust, and then expanded to M&A, corporate reorganization and capital markets.


Stefano Nanni Costa, born in Como on August 14, 1974, started his career working with Rucellai & Raffaelli Law Firm in Milan. In September 2005 he joined Lombardi Molinari e Associati (now Lombardi Molinari Segni). He has been senior associate since June 2006, salary partner as of June 2008 and equity partner since January 2014.


Italian, English and French


Italian Bar


Catholic University of Milan (J.D., 1999)


Commercial, corporate and M&A

Within: Commercial, corporate and M&A

Lombardi Segni e Associati advises on acquisitions and divestitures, mergers, transformations, break-ups, and reorganisations. It also assists with public tender and takeover bids, regarding listed companies and real estate funds as well as corporate governance. Giuseppe Lombardi, Andrea Mazziotti Di Celso, Stefano Nanni Costa and Antonio Segni are highly rated.

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Private equity

Within: Private equity

Lombardi Segni e Associati assists Italian and foreign private equity funds with complex transactions, including financings and collateral security. The main contacts are Stefano Nanni Costa, Carla Mambretti, Antonio Segni and Federico Vermicelli.

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Restructuring and insolvency

Within: Restructuring and insolvency

Lombardi Segni e Associati is highly rated for its insolvency law expertise, including insolvency proceedings and compositions with creditors. The practice regularly advises receivers and administrators on large corporate insolvencies in Italy and high-profile debt restructurings. Giuseppe Lombardi assisted the extraordinary commissioners of Alitalia in extraordinary administration with bankruptcy law matters. Other highly regarded advisers include Andrea Mazziotti Di Celso, Stefano Nanni Costa and PierDanilo Beltrami, along with Antonio Segni and of counsel Massimo Fabiani.

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