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Matt is committed to finding creative, holistic solutions for his clients that are tailored to each client’s needs. As a criminal defense attorney, he passionately advocates for clients in misdemeanor and felony matters in Alexandria, Arlington, Fairfax, Prince William, Loudoun, and other counties across Virginia. Matt’s privacy law practice focuses on counseling businesses on compliance with state, federal, and international privacy regulations, focusing on the Virginia Consumer Data Protection Act, CCPA, GDPR, and HIPAA. Matt also assists businesses respond to law enforcement requests for data through federal grand jury subpoenas.
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Chat withState: California
Acquired: 2025
No misconduct found
State: Virginia
Acquired: 2024
No misconduct found
526 King Street, Suite 506, Alexandria, VA, 22314
10505 Judicial Dr, Suite 202, Fairfax, VA, 22030
(contact by phone or email), Arlington, VA, 22201
(contact by phone or email), Leesburg, VA, 20176
(contact by phone or email), Manassas, VA, 20110
13 Client Reviews
Showing 1 - 3 of 3 reviews | General Knowledge
Posted by anonymous | March 03, 2026 | Hired Attorney | Criminal Defense
Dependable, Honest, Communicative, Modern - Best Lawyer in Alexandria
Matt successfully handled both a criminal and civil matter for me that were fully dismissed. From start to finish, he was confident, strategic, and incredibly knowledgeable about the process. What truly stood out was how accessible and responsive he was from the very beginning as well as fair pri...
Posted by anonymous | January 13, 2026 | Hired Attorney | Criminal Defense
Professional, Compassionate, and Highly Effective
I’m incredibly thankful for the legal representation I received from Matthew Cox during my misdemeanor case in Alexandria, VA. From our first meeting, he treated me with respect and listened carefully to every detail. He didn’t just explain the legal process—he made sure I understood my options and f...
Posted by anonymous | August 25, 2025 | Hired Attorney | Lawsuits & Disputes
Outstanding Lawyer – Exceeded All Expectations
Going to court can be overwhelming, and having the wrong lawyer can be disastrous. From my very first consultation with Mr. Cox, I knew I was in good hands. He explained my options clearly, gave honest and practical advice, and handled my case with great skill and professionalism. Thanks to his exper...
"Matt is great at his craft. He is extremely detail-oriented and wants the best for his clients. He is diligent and leaves no stone unturned. He is an asset to his clients."
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2024 - Present
Associate, Moore, Christoff & Siddiqui
Dismissed
Dismissed
Dismissed
Dismissed
Dismissed
Reduced to a traffic infraction
Granted
2024
JD - Juris Doctor
2020
MS - Master of Science
2019
BS - Bachelor of Science
English
Legal Answers
Is first cell phone ticket points on your license
26 Jun 2025
What should i do when i was issued a reckless driving ticket in a 35 zone with a court summons ?
20 Jun 2025
Is there a statue of limitations on court fines for a 20 year old criminal case in San Diego?
25 Jun 2025