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Matthew Cox
About Matthew
Biography
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.
Practice Areas
2
Practice Areas
Fees and Rates
Cost
Retainer
Always
Payment Methods
- Cash
- Check
- Credit Card
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Chat withLicenses
Licensed in California for < 1 year
State: California
Acquired: 2025
No misconduct found
Licensed in Virginia for 1 year
State: Virginia
Acquired: 2024
No misconduct found
Location
Moore, Christoff & Siddiqui
526 King Street, Suite 506, Alexandria, VA, 22314
Moore, Christoff & Siddiqui
10505 Judicial Dr, Suite 202, Fairfax, VA, 22030
Moore, Christoff & Siddiqui
(contact by phone or email), Arlington, VA, 22201
Moore, Christoff & Siddiqui
(contact by phone or email), Leesburg, VA, 20176
Moore, Christoff & Siddiqui
(contact by phone or email), Manassas, VA, 20110
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Matthew Cox's Reviews
Avvo Review Score
13 Client Reviews
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Showing 6 - 10 of 13 reviews
Posted by anonymous | October 05, 2025 | Hired Attorney | Lawsuits & Disputes
Excellent Legal Service
I had a great experience working with Matthew. He was very professional, polite, and always took the time to answer all of my questions thoroughly. He made me feel confident and secure about the case we were facing, and I truly appreciated his support, knowledge, and guidance throughout the process. ...
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...
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.
Posted by Haja | August 07, 2025 | Hired Attorney
Thank you
Mr. Cox, was professional and the process was fast. Always available to answer my questions and concerns. I was at ease throughout the legal process. Thank you very much for everything.
Posted by anonymous | July 19, 2025 | Hired Attorney | Lawsuits & Disputes
Reliable Support and Successful Defense in Court
I am very grateful to attorney Matthew Cox for his professional and confident representation in court. He carefully listened to my situation, prepared all necessary documents, and clearly presented my position. Thanks to his experience and skilled approach, the case was resolved in my favor. In court...
Matthew Cox's Lawyer Endorsements
"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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Experience
Work Experience
2024 - Present
Associate, Moore, Christoff & Siddiqui
Associations
Virginia Association of Criminal Defense Lawyers
Alexandria Bar Association
Sample of Legal Cases
Misdemeanor Petty Larceny in Prince William County
Dismissed
Misdemeanor Reckless Driving in Stafford County
Dismissed
Misdemeanor Carrying Weapon in Airport in Loudoun County
Dismissed
Misdemeanor Assault & Battery in Alexandria
Dismissed
Felony Robbery by Force in Alexandria
Dismissed
Misdemeanor Reckless Driving in Eastern District of Virginia
Reduced to a traffic infraction
Early Termination of DUI Probation in Eastern District of Virginia
Granted
Education
2024
George Washington University
JD - Juris Doctor
2020
University of Pennsylvania
MS - Master of Science
2019
Arizona State University
BS - Bachelor of Science
Languages
English
Activity
Legal Answers
Legal Answers
Q&A
Is first cell phone ticket points on your license
26 Jun 2025
Q&A
What should i do when i was issued a reckless driving ticket in a 35 zone with a court summons ?
20 Jun 2025
Q&A
Is there a statue of limitations on court fines for a 20 year old criminal case in San Diego?
25 Jun 2025