
Tax Advice
Navigating the Spanish tax system can be complex, especially with the varying obligations for residents and non-residents.
Spanish Tax Experts for International Clients
FIDUCIAE offers tailored tax consultancy to help individuals and businesses understand and fulfill their tax responsibilities while optimizing their financial outcomes. Our approach is personalized and compliant with current Spanish regulations, ensuring that you benefit from available deductions, exemptions, and planning opportunities.

Resident Taxation
For individuals and companies residing in Spain, our consultancy covers all key areas of resident taxation. We provide guidance on income tax declarations, wealth tax, capital gains, and other fiscal obligations. Our team helps clients interpret tax legislation changes, optimize tax planning strategies, and manage communications with the Spanish Tax Agency (Agencia Tributaria). Whether you are an individual taxpayer or a corporate entity, we assist you in meeting deadlines and fulfilling reporting requirements accurately, reducing risks of penalties or audits.
Non-Resident Taxation
Non-residents owning property or conducting business in Spain face a unique set of tax rules and reporting duties. FIDUCIAE specializes in advising foreign individuals, expatriates, and international investors on non-resident income tax, capital gains, inheritance tax, and property-related taxes. We help clients understand their obligations under Spanish law, calculate their tax liabilities correctly, and identify possible treaty benefits or exemptions. Our services also include representation before Spanish tax authorities to facilitate smooth compliance and resolution of tax matters.


International Inheritance Advisory
Inheritance matters involving assets across different countries can be legally and fiscally complex. FIDUCIAE specializes in guiding clients through the challenges of international inheritance, ensuring that the transfer of wealth and property is handled efficiently and in accordance with both Spanish law and relevant foreign regulations.
We assist heirs, executors, and beneficiaries in navigating cross-border succession issues, coordinating the necessary documentation, tax filings, and legal formalities. Our advisory services include calculating inheritance tax liabilities, identifying applicable exemptions, and planning strategies to reduce tax burdens while complying with all obligations.
Cross-Border Inheritance Support Made Simple
Whether the inheritance involves Spanish real estate, financial assets, or business interests, FIDUCIAE works closely with international legal and tax professionals to provide comprehensive support. Our goal is to minimize delays and uncertainties, helping clients preserve the value of their inherited assets and ensure a smooth succession process.