Fideso is a tax and legal advisory firm based in Marbella, serving international clients across Spain since 1980. Its team supports individuals, families and businesses navigating tax, legal, property and financial matters in Spain, with experience serving clients from more than 50 nationalities.

Services include tax and legal advice, accounting, bookkeeping, VAT, payroll and employment support, and outsourced CFO services. Fideso also advises on real estate transactions, non-resident property tax, wealth structuring and succession planning. For people relocating to Spain, the firm offers assistance with Digital Nomad Visa applications, NIE matters, tax compliance and the Beckham Law. Businesses and startups can seek help with company formation, financial systems, research and development tax incentives, and payroll. The firm also lists services related to crypto and blockchain.

Fideso works with property buyers and sellers, expats, digital nomads, technology companies, startups, high-net-worth individuals, SMEs, restaurants and non-resident property owners. Consultations are available through its Marbella office or by appointment.