About
Clayton B. McCullough is a partner at McCullough Khan Appel with a litigation-focused practice built on clear strategy, strong advocacy, and proven courtroom results. He represents businesses and individuals in complex legal disputes involving commercial law, construction matters, serious personal injury, and class action litigation. His work also includes complex insurance coverage cases, where his experience helps clients manage overlapping legal and financial lawsuits and disputes. Through careful analysis and decisive action, he delivers practical solutions that protect clients’ interests and resolve disputes efficiently.
Mr. McCullough completed his undergraduate education at Clemson University, earning a B.S. in Marketing. He later received his J.D. from the University of South Carolina School of Law. During law school, he served as Projects Editor for the ABA Real Property, Probate and Trust Journal. He distinguished himself in advocacy competitions, including earning recognition as a National Trial Competition Champion and S.C.T.L.A. Mock Trial Finalist. This academic foundation prepared him for a career centered on litigation and trial practice.
Mr. McCullough, following law school, began his legal career clerking for the Honorable Thomas Cooper, a South Carolina Circuit Court Judge. He then developed an active litigation practice focused on product liability and complex civil disputes. Over time, he expanded his work to include commercial and construction litigation, insurance coverage disputes, and serious injury claims. His years of experience across multiple practice areas allow him to approach cases with a broad legal perspective.
Mr. McCullough has helped clients navigate challenging legal matters by providing clear guidance and strong representation throughout his career. He is known for evaluating risk, developing effective litigation strategies, and advocating for fair outcomes. His work has supported businesses facing contractual disputes, property owners dealing with construction issues, and individuals seeking accountability through the legal system.
Clayton B. McCullough has professional excellence and has been recognized through peer ratings and industry honors. He is AV Preeminent® rated by Martindale-Hubbell®, a member of respected trial lawyer organizations, and a recognized Super Lawyer. His commitment to high professional standards continues to guide his work on every case.
Law Office Affiliations
- Partner, McCullough Khan Appel
- Member, Southern Trial Lawyers Association
- Member, South Carolina Bar Association
Licensed State
- South Carolina
Education
- University of South Carolina School of Law
Juris Doctor (JD) - Clemson University
BS in Marketing
Awards & Badges


- Business Litigation
- Construction And Development
- Litigation




