20 Years Of
Legal Experience


Law firm with offices in Madrid, Boston and Miami
specialized in providing international legal services
to companies and individuals.

Why Choose M&R Law

You will always receive the effective guidance, supportive assistance, and personalized legal solutions necessary to achieve success in your case.

International Reach

With offices in Boston, Miami, and Madrid, we are an international law firm with a global presence to better serve your legal needs. Attorneys with global experience.

Up Front Pricing

You will always know the fee for our services before we commence representation, without exceptions.




Mercado & Rengel

Mercado & Rengel was founded in 2000 as a boutique law firm with an international reach. We are comprised of attorneys with the very highest standards in the legal community; truly specialized, committed and effective lawyers. The majority of our clients are drawn to us because we are not a large depersonalized firm, but, rather, we offer direct service and continuous attention with the same quality and professionalism of the big firms. The clients are served directly by a partner, each of whom has over 20 years of experience, offering time, personalized treatment and vast knowledge of the law, which ensures an instant response to any question raised. The areas of practice cover most legal needs, based on international law, both public and private, covering the specialties of civil, criminal, commercial and corporate, administrative, banking and financial, new technologies, national and international arbitration, and immigration.

We have the experience and the talent to address all of your legal issues. Our team of professionals will treat you like an individual and not just a billing number.

We have several offices in the US as well as in Madrid, Spain. We are on the List of Attorneys for US Embassy Madrid. 

Practice Areas

Immigration & Mobility

Mercado & Rengel provides immigration and relocation assistance to corporate clients and individuals. We have a team of professionals that can assist you with any legal, tax, and administrative issues before and after the relocation to the United States or Spain.

Sports & Entertainment

At Mercado & Rengel we have extensive experience in helping international athletes and entertainers realize their dreams of performing or competing in the United States. We are dedicated to dealing with the unique legal needs of our clients in the sports and entertainment industries.

Business Services

At Mercado & Rengel we make your business our business. We have been helping business clients for over 20 years. Our clients include individual entrepreneurs, start-ups, established family businesses, and large corporations. Taking a highly personalized concierge approach, our team guide our clients with pragmatic, sound business advice and counsel. We work closely with managers, owners and directors on both day to day decisions as well as strategic matters.




With more than 20 years of experience, and thousands of cases behind us, Mercado & Rengel is the right firm for all your legal needs. No matter how complex your case may seem, you can be sure that we have the legal insight, knowledge and experience necessary to handle it with the highest professionalism. We understand that legal matters may be daunting, which is why we invite you to contact our firm to discuss your matter.