Services

Apostilled powers of attorney

We prepare powers of attorney with full international validity for legal, administrative, patrimonial and family procedures in Mexico. Certified under the Hague Convention by apostille. You sign here in the United States — we manage your validity in Mexico.

Mexican Dual Nationality

Strategic advice and comprehensive management of Mexican nationality procedures for children born in the United States and for people with the right to nationality by descent. We know each stage of the process and the most common mistakes that lead to rejection — and how to avoid them

*If your application was rejected at the consulate, please contact us. In most cases, there are errors in the birth certificate that need to be corrected first..

Correction and Amendment of Birth Certificates in Mexico or USA

Correction of Mexican records and amendments of U.S. records with administrative errors, inconsistencies of names, dates or affiliation data. This procedure is often the essential preliminary step to obtain dual nationality, passport or legal identity in Mexico.

Document Translation Services

We provide accurate and professionally prepared certified translations for legal, personal, academic, medical, and official documents accepted for a wide variety of legal and administrative processes in both the United States and Mexico.

We translate documents such as:

✔ Birth Certificates

✔ Marriage Certificates

✔ Death Certificates

✔ Affidavits of Single Status

✔ School Transcripts & Academic Records

✔ Powers of Attorney

✔ Immigration Reference Letters

Legal Representation in Mexico

Coordination and representation with specialized lawyers in Mexico for high-impact legal and administrative proceedings, including:

• International Divorce

• Homologation of judgments issued in the United States

• Judicial correction of birth certificates

• Nullity of birth registration

Have Questions?

Schedule a Complimentary 15-Minute Consultation with Estephany

Our Client Care Coordinator will guide you through the first steps, answer your questions, and help you determine the best way to move forward.

Take the First StepToday

Schedule a consultation today and have your case professionally and confidentially evaluated by our team. With more than 18 years of binational experience, we understand the complexities of matters involving Mexico and the United States.

Testimonials

Trusted by Our Clients

From creating a letter of introduction to obtaining dual Mexican nationality, we offer a variety of services tailored to your specific situation.

"Excellent Service"

Excellent service. There was no need to go to the office; everything was done via phone and email. Highly recommended for legal services. Communication for completing the transaction was very efficient. The service they provided me was for consular powers of attorney.

- Daysi Orellana

"I recommend their services 100%!"

My experience with MexUSA Legal Services was exceptional. From the very first moment, I felt welcome and well taken care of by the entire team. Annel Delgado is a highly competent attorney, and her staff is extremely kind and courteous. Thanks to them, I was able to complete a complex procedure in Mexico without any problems.

- Emilio Morales

"I recommend Mex-Usa

Legal Service to everyone"

They are very informative and attentive throughout the entire process. Thank you for your service! Very professional. I received my documents without any problems, even though I'm from another state. Now I can do the things I've always wanted and live a normal life. Many thanks to Ms. Annel Delgado and her team. -Thank you so much!

- Rubi Roman

Legal Services for Mexico and South America. Dual Mexican Nationality

Contact Details

  • (562) 606-5402

  • 3520 Long Beach Blvd Ste 218, Long Beach California 90807US

Copyright 2026. MEX-USA Legal Services. All rights reserved.