Strong Law/Incwell
Barcelona-based firm specialising in cross-border tax, real estate, and business law for expats.
What customers love
- Bilingual team handling complex cross-border tax matters
- Same-day or next-day response times consistently
- Personal assistance with notary and banking processes
Worth noting
No recurring concerns found across reviews.
Best for
International expats and business owners needing Spanish tax and legal support.
Attribute scores
Recent reviews
We are extremely pleased with Aaron’s work as our advisor. He is always highly attentive, prompt in his responses, and makes collaboration effortless.<br>Thank you for the great work!
Aaron (Incwell) is very friendly, helpful and professional. A real pleasure to work with.
Carlos and I would like to sincerely thank Marcelo for his excellent guidance and support. He was very professional, kind, and courteous during our video call, and the report he provided was clear, detailed, and very helpful. We truly appreciate his dedication and the outstanding service he delivered.<br><br>Obrigado!
Pablo is amazing and one of the best people I have met when creating a business in Spain. He knows his stuff, intelligent, and transparent with everything he does. I wish I can give him 10 stars because he has helped us tremendously over the course of my entrepreneural journey.
Servicio impecable: muy recomendable!
I'm updating me previous review since working with Strong Law again -- Outstanding experience with Incwell / Strong Law across two different matters. Aarón Sánchez handled my Spanish non-resident tax filings with precision and genuine expertise — when I had questions about a technical position on my return, he came back with a clear, well-sourced explanation that made me feel completely confident in the work.<br>Marcelo González then guided me through drafting and executing a Spanish will for my property in Catalonia. He made a process that spans two countries feel completely manageable, walking through the reasoning behind each clause, coordinating with the notary's office to resolve my questions, and refining the document until it was exactly right. Beyond his command of the legal details, he was genuinely kind and reassuring throughout, and treated my family's situation with real care.<br>As an overseas client, having professionals this thorough, communicative, and trustworthy in your corner is invaluable. I'm continuing to work with the firm and can't recommend them highly enough.
I have had an excellent experience with Strong Law, especially with Pablo and his team. They are extremely responsive, work very efficiently, and are always available when urgent matters arise. Their communication is clear, and they consistently provide practical, reliable legal support.<br>I truly appreciate their proactive approach and the confidence they give me in handling complex matters. I will definitely continue using their services and highly recommend them to anyone looking for professional and dependable legal assistance.
Alejandro's responses are always extremely helpful, quick and explained very clearly!
Strong handled my first Spanish tax return as a US citizen with US-LLC income — a genuinely cross-border, non-standard case — and filed both my wife's and my 2025 IRPF cleanly before the deadline. Gabriel was responsive, explained the tax treatment clearly in English, and was upfront about timing and trade-offs rather than rushing. Highly recommend them for international and expat tax work.