Free Consultation
$0 first 30 minutes
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.
2
Practice Areas
Free Consultation
$0 first 30 minutes
Always
Quickly connect with top attorneys through our legal directory to get help with your legal issue.
Chat with a live agent who can match you with the right attorney for your legal needs.
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 - 5 of 8 reviews | Criminal Defense
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 | December 12, 2025 | Hired Attorney | Criminal Defense
Professional and highly effective, got my case dismissed
Matthew handled my reckless driving case with care, understanding and expertise. I was really scared when I got this charge since I'd never even gotten a speeding ticket before. Matthew was able to work with me to do an online driving improvement course and community service that got my case dismisse...
Posted by John | November 07, 2025 | Hired Attorney | Criminal Defense
Excellent guidance and communication
Matt provided me with excellent council and guidance throughout the process. I have never had to deal with criminal proceedings in court before. Mr. Cox was knowledgeable and gave me great advice on steps to complete in advance of my court appearance that were instrumental in the court coming to a fa...
Posted by Khang | August 07, 2025 | Hired Attorney | Criminal Defense
He saved my driving record
I was summoned to appear in court for reckless driving and Mr. Cox helped me get my case dismissed. I contacted him only two weeks before my court date and was quick to address any of my questions and concerns, communicative, and friendly.
"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."
No Endorsement Data Available Yet
This attorney hasn't created any attorney endorsements recently on Avvo.
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