Josemaría has provided legal advice to domestic and foreign clients for over 35 years. His experience includes multilateral transactions; Cross Border transactions; Mergers and Acquisitions; Market Control; Project Finance and Management; Public Procurement; Commercial Law; Mediation, Arbitration and Litigation; Corporate, Corporate and Trust Law; International Trade; Franchising, Licensing and Distribution in the following sectors: Insurance, Banking, Finance, Trust, Commercial, Corporate, Agency, Civil Law, Administrative Law, Communications, Maritime, Energy, Agrochemical Industry; Beverage Industry; Agribusiness; Food/Fish Industry.

Josemaría also handles Mediation and Arbitration processes and Civil litigation. His pro-bono work includes having obtained the first certificate of protection in Ecuador and the first patent conferred to a Luthier in Ecuador, which were granted to Luthier Hugo Chiliquinga; Fundación Zaldumbide-Rosales (promoting musicians worldwide); The Global Foodbanking Network, and several persons, domestic and alien, requiring litigious assistance in Ecuador.

He is also a keen contributor of the International Encyclopedia of Laws (IEL) with Monograph related to Competition Law; and has also contributed to International Distribution Institute (IDI) with the Country Report Ecuador related to Franchising.