Your English-Speaking, Dual-Qualified Lawyer in Spain
Martin Hayes is a dual-qualified lawyer (Abogado in Spain and Solicitor in Ireland) who has been delivering legal services to international clients in Spain since 2004. At RSM Spain, Martin is a partner who specialises in:
- Spanish Real Estate Law
- Probate & Inheritance Law
- Spanish Property Conveyancing Services
- International Private Client Services
- Spanish Civil Law
- Spanish Tax
- Litigation before the Spanish Courts
Legal Expertise, Local Knowledge with International Know-how
Whether you’re investing in Spanish Real Estate, buying your first Spanish Property, navigating Spanish Inheritance (Probate) matters, planning your big move or finally relocating to Spain, Martin provides straightforward, transparent legal advice. He helps clients overcome language and cultural barriers, ensuring peace of mind and full understanding every step of the way.
From property law to complex estate planning, Martin delivers practical, no-nonsense legal solutions tailored to your needs. Real Intelligence based on well over 20 years of providing legal services in Spain.
Trusted by International Clients Worldwide
Martin provides remote consultations via Zoom and Microsoft Teams meaning you can access high-quality legal support whether you’re in London, Dublin, New York, Los Angeles, or already living in Spain.
Martin’s commitment is to deliver clear, cost-effective legal services using modern technology to keep clients fully informed throughout the process.
“Our well rounded Team of English Speaking Spanish Tax & Legal Professionals offers you the Real Intelligence & Expertise you need to avoid pit falls of Spanish Property Transactions so you can get on with the important business of enjoying Life in Spain”
Now Powered by RSM
In July 2025, SWAN Partners integrated into RSM Spain. The entire team at SWAN Partners made the move together with the same determination as ever to enhance and broaden our client focused services.
RSM has seven offices across Spain allowing Martin to assist international clients at a national level. In addition, with over 900 offices in more than 120 countries, RSM offers a truly global reach. This allows Martin to coordinate seamlessly with local RSM advisers—whether it involves filing cross-border tax returns or managing international estate matters, everything can be handled efficiently on your behalf.
The Power of Being Understood
“RSM’s slogan really resonates with me. From day one as a lawyer in Spain, it’s my goal to ensure that the needs, concerns and aims of my clients are fully understood. This is at the forefront of each and every negociation – we work to not only to understand our clients but ensure that their interests are fully served and upheld. This is the cornerstone of our work.
Be it buying a Spanish home, investing in a Spanish commercial property or starting a new Spanish venture, Doing Business in a country that is not your own should not shift the balance against you – We are the counter weight – We lift the barriers, bring transparencey and fight your corner! With us, you remain in the driver’s seat“. Martin Hayes
RSM Spain’s campaign video “Sin miedo” – without fear – should be watched by anyone thinking about moving to Spain. In short, if moving countries is for the brave, such bravery is rewarded in spades once you are set up and established in Spain – we are here to ensure that you don’t put a foot wrong…
Recognised Legal Professional
- Featured in Best Lawyers in Spain for Real Estate Law
- Included in lawyers lists by various Embassies in Spain
- Member of the Bar Association of Valencia (ICAV) and the Law Society of Ireland
- Regular Contributer to News & Media
Beyond Expat Services – Legal Solutions for Private and Corporate Clients
Martin works with both private individuals and companies looking to invest, settle or do business in Spain. As a partner at RSM, the “Next Four” global professional services firm, he offers a truly comprehensive depth of services to expatriate and non-resident clients—including corporate structuring, complex cross-border transactions, and tax planning.
Whether you’re buying a holiday home or bringing your business to Spain, Martin ensures a smooth, secure legal process from start to finish.
Need Help with Spanish Legal Matters?
This site is designed for English-speaking clients who need reliable legal guidance in Spain. Martin combines local legal expertise with international insight—making him your go-to legal advisor in Spain.