
At MEX-USA Legal Services we help the Mexican and Mexican-American community to resolve legal, documentary and patrimonial matters in Mexico from the United States, safely, professionally and without the need to travel.
Our care model is clear: strategic accompaniment from the first consultation to the closure of your case, with transparent communication, constant follow-up and documented results.
The MEX-USA Legal Services team provides strategic accompaniment in complex legal procedures between Mexico and the United States, combining legal experience, personalized attention and constant monitoring throughout the process.
We understand that behind each case there is a family, an asset, an identity or a right that needs to be protected. For this reason, we work with high standards of attention, transparency and professionalism to provide real and reliable solutions.
We have bilingual staff in Spanish and English to offer clear and accessible communication to each client.
To simplify cross-border legal and documentation processes for families with ties to Mexico, providing trusted guidance, personalized attention, and peace of mind every step of the way.
We are committed to providing trusted guidance, professional service, and compassionate assistance, helping our clients overcome complex cross-border challenges while feeling informed and supported every step of the way
We are more than a document service—we are a trusted partner for families navigating life between two countries.
More than 15 years of trusted experience serving the Latino community.
MEX-USA Legal Services is led by Attorney Annel Delgado Ayala, a graduate of the Autonomous University of Baja California, with specialized studies in Consular Law and International Humanitarian Law through Washington College of Law in Washington, D.C.
With more than a decade of experience working at the Consulate General of Mexico in Los Angeles and Santa Ana, Attorney Delgado understands not only the legal process, but also the real challenges faced by Mexican families living in the United States.
Recognized by the U.S. Congress with the “Women Who Inspire 2018” distinction, she has dedicated her career to helping the Latino community navigate important legal and documentary processes with confidence, clarity, and personalized support.
Obtain Mexican Dual Citizenship
Correct Birth Records in Mexico and the United States
Process Apostilles and Certified Translations
Obtain Civil Registry Documents from Mexico
Prepare Powers of Attorney for Use in Mexico
Assist with Real Estate Transactions in Mexico
Coordinate Legal Documents Between Mexico and the United States
Provide Remote Notary Services
Estate and Inheritance Matters in Mexico
Inheritance Renunciation (Repudio de Herencia)
Probate and Succession Proceedings in Mexico

With more than 15 years of binational experience, The Mexican Attorney Annel Delgado has an in-depth understanding of the legal systems of both Mexico and the United States. She earned her Law Degree from Universidad Autonoma de Baja California (UABC) and specialized in Consular Law and International Humanitarian Law through Washington College of Law.
She began her career in the Consular Protection Department at the Consulate General of Mexico in Los Angeles and Santa Ana, where for more than 10 years she provided legal assistance to the immigrant community in matters involving legal identity, documentation, property rights, and other complex legal cases within the public sector.
Today, she leads MEX-USA Legal Services LLC, a California-based binational legal firm specializing in Mexican dual citizenship, birth certificate corrections, apostilles, powers of attorney, and legal representation in Mexico without having to leave the United States.
With more than 5 years of experience assisting families with cross-border legal documentation, Nancy Lopez has developed specialized knowledge in complex birth certificate corrections, Mexican dual citizenship applications, and legal file preparation for matters in Mexico.
Her attention to detail, organizational skills, and commitment to client service help ensure that every case is prepared accurately and efficiently from start to finish.
Nancy provides bilingual support in English and Spanish and works closely with clients throughout every stage of the process.


Estephani Pavón has been serving Spanish-speaking families since 2023, providing personalized assistance, case follow-up, and bilingual support throughout their legal and documentation processes.
Her commitment to clear communication, responsiveness, and client care helps ensure that every client feels informed, supported, and confident at every stage of their case..
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.
Explore our faqs or reach out to understand how our financial guidance works.
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Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,when an unknown printer took a galley of type.
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,when an unknown printer took a galley of type.
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,when an unknown printer took a galley of type.
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,when an unknown printer took a galley of type.
Lorem Ipsum is simply dummy text of the printing and typesetting industry. Lorem Ipsum has been the industry's standard dummy text ever since the 1500s,when an unknown printer took a galley of type.
(562) 606-5402
3520 Long Beach Blvd Ste 218, Long Beach California 90807US