ILLAY Legal is an international law firm specialising in immigration, Spanish citizenship, taxation and business establishment in Spain. The firm assists individuals, families, professionals, entrepreneurs and companies throughout the process of relocating, obtaining residence and developing their activities in the country. Its team advises clients on the most appropriate immigration route, prepares and submits visa and residence applications, manages Spanish citizenship procedures, and provides tax planning before and after relocation. ILLAY Legal also supports foreign companies, startups and investors with company formation, international employee relocation, and compliance with their legal and tax obligations in Spain. With offices in Barcelona and Madrid, ILLAY Legal provides assistance in more than ten languages, combining legal expertise, clear communication and continuous support throughout every stage of the process.
ILLAY Legal is a law firm specializing in immigration and international business expansion in Spain. We assist individuals, families, entrepreneurs and foreign companies with their establishment, investment and growth in Spain and Europe, providing personalized advice tailored to each client’s needs.
Our international and multicultural team allows us to assist clients from different countries and in more than 10 languages, ensuring clear and effective communication throughout the entire process.
We combine legal, tax and business advice to provide comprehensive solutions, with a focus on personalized attention, clarity, speed and efficiency.






