Fideso Tax & Law
Tax Advisory

Expert Tax Compliance & Planning for International Clients in Spain

Navigating Spain's tax system as an international resident or business owner requires specialist knowledge. Fideso provides end-to-end tax advisory — from annual filings and residency planning to cross-border taxation and crypto reporting.

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45+
Years of tax advisory experience
1,000+
Annual tax returns filed
30+
Nationalities served
7
Languages spoken

Comprehensive Tax Advisory

From personal income tax to corporate compliance, cross-border structuring to crypto reporting — we handle every aspect of your tax obligations in Spain.

Personal Tax

  • Annual income tax returns (Modelo 100)
  • Beckham Law applications (Modelo 149)
  • Non-resident tax filings (IRNR)
  • Wealth tax returns (Modelo 714)
  • Modelo 720 — overseas asset declarations
  • Tax residency certificates and planning

Corporate Tax

  • Corporate income tax (Modelo 200)
  • Quarterly VAT returns (Modelo 303)
  • Annual VAT summary (Modelo 390)
  • Intrastat and EU operations reporting
  • Transfer pricing documentation
  • Corporate tax planning and restructuring

Cross-Border Taxation

  • Double taxation treaty advice
  • Exit tax planning
  • Foreign income declarations
  • Coordination with home-country advisers
  • Multi-jurisdiction compliance

Crypto & Digital Assets

  • Modelo 721 — overseas crypto declarations
  • Capital gains calculations on crypto trades
  • DeFi, staking, and NFT taxation
  • DAC8 compliance preparation
  • Structuring for crypto businesses

Why Choose Fideso for Tax Advisory?

Fideso is not a generic accounting firm. We specialise in international clients — expats, digital nomads, investors, and businesses with cross-border obligations. Our team understands the intersection of Spanish tax law and international tax treaties.

Every client gets a dedicated tax adviser who speaks their language, understands their home-country context, and proactively manages deadlines and compliance obligations.

Ready to get your taxes in order?

Whether you are a new resident, a business owner, or managing cross-border obligations — our tax team will guide you through every filing and deadline.

Book a Consultation