Mario Martinelli advises Italian and non-Italian resident, medium and large corporations on virtually all aspects of Italian corporate tax law. He counsels corporate clients in their ordinary and extra-ordinary activities, including tax planning for Italian and international restructurings, and mergers and acquisitions, providing opinions on a wide range of tax matters covering corporate income tax, transfer pricing, value-added tax (VAT), and other indirect and municipal taxes. Mario also has extensive experience in tax controversy and leads the Italian tax litigation team of the firm.

Mario speaks at numerous conferences and seminars and he has lectured on tax law for several post-graduate courses.