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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 expert legal services to international clients in Spain since 2004. At SWAN Partners Tax & Legal, Martin is a partner who specialises in:

  • International Private Client Services
  • Spanish Civil Law
  • Probate & Inheritance Law
  • Spanish Property Transactions
  • Litigation before the Spanish Courts

Legal Expertise, Local Knowledge with International Know-how

Whether you’re investing in Spanish real estate, navigating probate matters, or 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.

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.

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 SWAN Partners, a full-service business law firm, he offers a depth of service a range of services 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.

Visit SWAN Partners
Connect with Martin on LinkedIn

Let’s Talk





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    Testimonials

    …I hired Martin J. Hayes as my lawyer because, as a resident of non-EU country, I wanted to ensure that the transaction will be done in proper way. But, what he did for me was beyond my expectations. Regardless of the importance of my matter (surely, it was not a “big” case for him), Martin promptly returned every phone call and email, answering to my overwhelming inquiries with patience and full dedication…
    M Jovanovic
    We greatly appreciate Martin Hayes, both on a professional level and as a person. He handled the purchase of our apartment in Alcoy, Alicante Province. We had bought off plan, and he stay with us every step of the way, providing great support over the three years right through to the final payment…
    Carolyn and Paul from the UK
    Martin was very approachable and always found the time to speak to me or call me back if I needed to know anything, however small. I would not hesitate to recommend Martin to anyone requiring legal services in Spain…
    Neil
    I used Martin Hayes as my lawyer when purchasing my property. At the time, I was up to my eyes closing my business in readiness for my move to Spain. I was pleasantly suprised that Martin took the time to keep in touch with regular telephone calls….
    Andy, Read more

    Latest Law News:

    Spanish Property Purchase in Valencia Spain

    A Helping Hand in English – Legal Services in Valencia, Spain  

    We first met Martin when we were undertaking the purchase of our flat. He managed to complete the transaction within around 7 weeks, which is amazing considering we were based in the UK at the time and the Spanish bureaucracy.

    Post Purchase Support in English to New Residents

    Since completing our purchase Martin has continued to support us via […]

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    The British ambassador to Spain Simon Manley, who is a most active user of social media, was quick to take to Twitter to explain what the outcome of the Brexit Referendum means for British expats living in Spain.

    Over the next couple of weeks we will be publishing a series of articles discussing Brexit so as to continue to provide you […]

    Martin Hayes Addresses Dublin Solicitors Bar Association Conference In Madrid

    Martin was delighted to be invited to speak at the DSBA’s Annual Conference in Madrid. The event was a great success bringing together over 150 solicitors from the Dublin area from a broad spectrum of legal practice. Martin’s address set out his experience as an Irish Solicitor taking the step of qualifying as a Spanish Abogado. He then made key observations in the differences between practising in Spain and Ireland. While he sought […]