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Maria Mateo, Founding Attorney

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8.8Maria Teresa Mateo Maria Teresa MateoReviewsout of 5 reviews

Maria Mateo

Founding Attorney

Maria Mateo founded Maria Mateo PC in 2010 and has been practicing law since. She received the Legal Master’s Degree from St. John’s University where she graduated with distinction.

Mrs. Mateo has spent her legal career concentrating in complex litigation cases. She is licensed to practice law in the State of New York and admitted to Federal Courts in the Southern and Eastern Districts of New York and the Supreme Court of the United States.

She has significant experience in various areas of her law practice including Immigration and Matrimonial Law. She handles family and work petitions as well as family matters such as divorces, child custody, child support pre and postnuptial agreements.

 Mrs. Mateo is known for quality legal services, clients and organizations have  recognized her for her advocacy skills, professionalism, and reliability.

Due to her ability to deliver her work with excellence Mrs. Mateo was recognized as 10 best immigration lawyer’s of New York in 2017 by the American Institution of Legal Counsel. She was also recognized as a 100 Bumble Business Most Influential People in NYC in 2018. Recently, Ms. Mateo was recognized by the Consulate of the Dominican Republic in New York with the Duarte Honors, also by New York City council members Hon. Eric A. Ulrich, Hon. Fernando Cabrera,Hon. Carmen De La Rosa, and Assemblyman Michael A. Blake for her outstanding work in the field of law and for contributing positively to the Dominican diaspora in New York.

Mrs. Mateo has given extensive presentations and held conferences on how  foreign lawyers can obtain their credentials, and how to succeed in a competitive business environment. She has also, lobbied in the United States Congress, advocating to protect due process at the border and demanding accountability from USCIS.

Mrs. Mateo is actively involved in volunteered work and she has assisted victims of domestic Violence working with the no-for profit organization Sanctuary for families and the Queens District Attorney’s Office. She has also assisted tenants in the Immigration Tenant Advocacy Project, provided legal representation for immigrants in the Catholic Migration Office and has successfully completed hundreds of cases for imprisoned Dominicans as part of her community outreach with the Consulate of The Dominican Republic in New York.

She is also a member of the New York State Bar Association, Women’s Bar Association of the State of New York, American Immigration Lawyers Association, American Bar Association, Latino Bar Admissions, Queens Bar Admissions,Dominican Republic bar association.

Emilio Arnau, Managing Attorney

Emilio Arnau

Managing Attorney

Emilio Arnau is licensed in Spain and New York with over 20 years of combined legal experience. Mr. Arnau graduated number one in his class in St. John’s University where he completed a master’s degree in U.S. Law. He was admitted to practice law in New York by the Appellate Division of the Supreme Court, Second Department, in 2010 and admitted to practice law in federal courts by the Southern District of New York in 2014.

Mr. Arnau has been practicing law in different areas including personal injury, immigration, labor law, family law and matrimonial.

Besides his legal work at Maria Mateo PC, Mr. Arnau is currently the managing attorney of the firm. In this role he ensures our clients receive the outstanding service they deserve. Mr. Arnau is a liaison between our staff and the client ensuring our firm meets the highest standards of Professionalism and courtesy.

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Emilio Arnau, Managing Attorney

Briana E. Vargas

Associate Attorney

Briana E. Vargas joined Maria Mateo PC in June of 2022. Ms. Vargas began her legal career as an associate in a boutique real estate/litigation firm in Manhattan, where she structured real estate transactions and represented clients in all phases of litigation, including motion practice discovery, and trials. Immediately before joining Maria Mateo PC, Ms. Vargas was an Assistant District Attorney in the Queens District Attorney’s Office, managing a caseload of over 150 misdemeanor cases from start to finish. 

During her time with Maria Mateo PC, Ms. Vargas has become adept at handling matrimonial law and family law matters such as child support, child custody, and family offense petitions. Ms. Vargas has a special knack for putting her clients at ease, then delivering results. 

Ms. Vargas earned her B.A. in Communications from the University of Massachusetts-Amherst, and her J.D. from St. John’s University School of Law. She is admitted to practice in New York State, and is a member of the Queens County Bar Association. 

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