Since 2013 César is a CMS Grau Associate and specializes in Tax Law. He provides advice on tax litigation-procedures in both administrative and judicial proceedings, tax consulting in various matters, as well as in the fiscal planning of corporate operations.

He has an interdisciplinary training thanks to his extensive professional experience advising on corporate, labour, regulatory and procedural litigation matters, which allows him to provide a multidimensional perspective in both tax litigation procedures and general consultancy absolutions.

César´s main clients belong to the retail (Saga Falabella, Sodimac, Maestro, Tottus), mining (Milpo, Sumitomo, Southern Peaks), real estate (Open Plaza, Urbanova, Morada), engineering and construction (Santos CMI, Ciport SA Sucursal del Perú), and Industrial (Artecola, Fábrica de Envases SA, Santiago Queirolo, Bodegas and Vineyards Tabernero, Itochu, Indus, among others) sectors.