His great-grandfather, Fernando Soriano y Gavira, first Marquis of Ivanrey, was a banker, senator for life for Salamanca, deputy of the Cortes and co-founder of the Ritz Hotel. His grandfather was a great aristocrat, founder of RACE and the first promoter of the Costa del Sol. In addition, he created the first motorcycle brand in Spain: Soriano. Marco Antonio Soriano IV is in charge of the family office Soriano Group, which in 2022 had a turnover of 2.8 billion euros and has resurrected the electric motorcycle brand in premium format: Soriano Motori Corp.