Matthew T. Holley, Attorney

Matthew T. Holley

Matthew T. Holley


Matt is a Maryland native who obtained his undergraduate degree from Towson University and his J.D. from the University of Baltimore School of Law, where he competed against other law schools as a member of the Civil Trial Team. Since joining the Costello Law Group in 2011, Matt has become a partner with the firm and concentrates on personal injury, automobile accidents, slip or trip and falls, and premises liability cases.

Matt has tried cases throughout the State of Maryland and in Federal Courts. He has successfully litigated claims against some of the largest corporations and insurance companies and has recovered over $10 million in jury verdicts and settlements. In 2021, Matt was named to The National Trial Lawyers Top 40 under 40 for the State of Maryland

In his spare time, Matt coaches his sons’ baseball team and leads the local Cub Scout Pack in Towson, Maryland. He enjoys going to Camden Yards to watch the Orioles and spending time with his family.

Areas of Practice

  • Slip-and-Falls
  • Auto Accidents
  • Premises Liability
  • Defective Products
  • Bicycle Accidents
  • Malfunctioning Elevators
  • Professional Malpractice
  • Medical Malpractice

Bar Admissions

  • State of Maryland, 2013
  • S. District Court District of Maryland, 2014


  • University of Baltimore School of Law, Baltimore, Maryland, 2012
  • Towson University, 2007

Professional Associations and Memberships

  • Maryland Bar Association, Member, 2013 – Present
  • American Bar Association, Member, 2013 – Present
  • Maryland Association for Justice, Member, 2013 – Present
  • American Association of Justice, Member, 2020 – Present

Honors and Awards

  • National Trial Lawyers Top 40 Under 40 for the State of Maryland, 2021 – Present