FIDUCIAE – Tax and Real Estate Consultancy
FIDUCIAE offers specialized tax and real estate consultancy services tailored to the needs of both residents and non-residents in Spain.

Cross-Border Tax & Inheritance Experts
With deep experience in international inheritances and non-resident taxation, our team delivers clear, strategic solutions across complex cross-border scenarios.
Our Services
Resident Taxation
Non-Resident Taxation
Inheritance Advisory
Tax Advice
Real Estate Advice
Additional Services
Real Estate & Tax Support for All Clients
Real Estate & Tax Consultancy for Residents and Non-Residents
Our services cover every aspect of tax consultancy, including compliance, planning, and advisory for both resident and non-resident individuals. We work to ensure that your obligations are met efficiently and in full alignment with Spanish and international regulations.
In the field of real estate, FIDUCIAE supports clients through property acquisitions, sales, and management. We also facilitate commercial auctions and property transactions, offering thorough due diligence and ongoing advisory throughout the process.


International Inheritance
International clients rely on us for guidance through inheritance procedures involving Spanish assets, including administrative support, tax calculations, and property succession strategies. Non-resident property owners benefit from our advice on income tax, capital gains, and legal obligations.
In addition to consultancy, we provide auxiliary services such as document management, representation before tax authorities, and property registration.In the field of real estate, FIDUCIAE supports clients through property acquisitions, sales, and management. We also facilitate commercial auctions and property transactions, offering thorough due diligence and ongoing advisory throughout the process.
Why Choose Us
Cross-Border Expertise That Simplifies Complexities
End-to-End Real Estate Support
Specialized in Non-Resident Cases
International Inheritance Advisory

Real Estate & Tax Consultancy for Residents and Non-Residents
Our services cover every aspect of tax consultancy, including compliance, planning, and advisory for both resident and non-resident individuals. We work to ensure that your obligations are met efficiently and in full alignment with Spanish and international regulations.
In the field of real estate, FIDUCIAE supports clients through property acquisitions, sales, and management. We also facilitate commercial auctions and property transactions, offering thorough due diligence and ongoing advisory throughout the process.
International Inheritance
International clients rely on us for guidance through inheritance procedures involving Spanish assets, including administrative support, tax calculations, and property succession strategies. Non-resident property owners benefit from our advice on income tax, capital gains, and legal obligations.
In addition to consultancy, we provide auxiliary services such as document management, representation before tax authorities, and property registration.
