More Than 30 Years Of Combined Experience On Your Side
Dedicated Advocacy In The Largo And Upper Marlboro Areas
The Skilled Legal Advice You Need, When You Need It
When you need counsel on a major, life-impacting decision, you deserve an attorney who will listen to you, thoroughly examine the facts, and provide the best possible solution for you and your future. Throughout your legal challenges, a dedicated and reliable attorney can make a significant difference in the outcome of your matter. If you’re seeking guidance, we have the knowledge and experience that you need. At the Thomas Sims Law Firm, we are focused solely on the needs of our clients. We provide professional and effective representation during the most stressful of times.
Family Law
With one of the Maryland’s most respected family law and divorce practices, our team takes pride in providing clients with skillful representation that protects what matters most to them and their loved ones.
Learn MoreCriminal Law
When you or a loved one is charged with a crime, the stakes are high. Our defense team members take your case as seriously as they would if they or a member of their family were facing criminal charges.
Learn MoreCivil Litigation
Whether you need to file a lawsuit or have been sued, it is important to ensure your rights are protected. We help clients seek a resolution to all types of civil matters in district and circuit court.
Learn MoreServices Tailored To Your Specific Needs And Goals
We have a thorough understanding of Maryland law and use our experience to navigate the different aspects of the Maryland Judicial System. With exceptional legal skills, practical solutions and professional integrity, our lawyers at the Thomas Sims Law Firm will work diligently to help you find a resolution to your family law, divorce, child support, child custody, criminal law, DUI/DWI, traffic ticket and all other issues you may be facing. Whether we work with opposing counsel outside of court or aggressively litigate in front of a judge and jury, our lawyers are with you every step of the way.
Meet Our Attorneys

TIFFANY SIMS,
Founding Partner

Edwin Shim,
Founding Partner

RYAN THOMAS,
Founding Partner
We Are Here To Help
There’s no need to handle these difficult matters of law all alone. Get the legal advice, counsel and representation you need. Contact our lawyers at the Thomas Sims Law Firm for a consultation by calling 301-637-3009 or by using our online contact form.
Phone calls are answered and returned 24/7 for your convenience. We are located five minutes off 495, across from the Kaiser Permanente hospital on 202.