About
L. Andrew Sterup is an attorney at Williams Law Firm, P.C. in Missoula, Montana. Sterup handles civil disputes involving insurance, construction, personal injury, and product claims. The practice includes insurance defense, insurance coverage actions, construction defect litigation, personal injury claims, and product defect cases. Sterup works with insurers, businesses, and parties involved in complex civil litigation. The work requires careful factual development, legal analysis, and practical assessment of risk, procedure, and possible resolution.
Sterup earned a B.A. from Colby College in 2019 and a J.D. from the University of Colorado Law School in 2023. At Colorado Law, Sterup served as a Casenote and Comment Editor for the Colorado Law Review, building experience in detailed legal research and writing. This training supports the research, analysis, writing, and problem solving required in matters involving detailed records and important client decisions.
Sterup’s experience includes judicial work that included an internship with Judge Roberto Ramirez and clerkships for Judge Brian Morris and Chief Judge D. Montana. In addition, Sterup joined Williams Law Firm in 2024 and has worked on insurance, construction, injury, and product-related civil disputes. The practice involves discovery, legal briefing, negotiation, and preparation for hearings, trial, appeal, or another appropriate form of resolution.
L. Andrew Sterup brings recent judicial clerkship experience to a litigation practice focused on careful briefing, factual development, and procedural strategy. Sterup uses that background to assess claims, research difficult issues, and support efficient preparation of civil cases in state and federal court. The focus remains on clear advice, careful preparation, and practical strategy for clients navigating complex disputes and important legal decisions.
Law Office Affiliations
- Attorney, Williams Law Firm, P.C.
- Member, State Bar of Montana
Licensed State
- Montana
Education
- University of Colorado Law School
Juris Doctor (JD) - Colby College
Bachelor of Arts (BA)
Awards & Badges

- Insurance Claims
- Insurance Defense
- Litigation
- Products Liability
- Construction & Development





