FIDESO IS A LEADING ADVISORY FIRM BASED IN MARBELLA, SPAIN, SINCE 1980 At our company, we pride ourselves on our ability to deliver comprehensive business solutions to small and medium-sized enterprises. Our team of experts boasts a wealth of knowledge in areas such as Accounting, Tax, Law, Payroll and Finance. By combining these unique skill sets, we are able to offer our clients an all-inclusive solution that is tailored to meet their specific needs.