Nielsen Weisz LLC

Nielsen Weisz LLC is a Denver litigation firm representing clients throughout Colorado and in federal court. Founded by experienced trial lawyers Dru Nielsen and Barrett Weisz, the firm handles criminal defense, white collar defense, personal injury, insurance bad faith, and civil protection order matters. Its attorneys represent individuals, executives, businesses, policyholders, and injured clients facing serious accusations, complex disputes, significant financial losses, or threats to their personal freedom and professional reputations.

Nielsen Weisz LLC approaches every matter with individualized strategy, thorough preparation, and direct attorney involvement. The firm carefully evaluates the evidence, applicable law, potential risks, and each client’s personal objectives before developing a course of action. Its lawyers draw on extensive courtroom and negotiation experience to pursue dismissals, acquittals, favorable resolutions, settlements, and verdicts. Clear communication and personal service remain central when helping clients and families manage stressful, high-stakes legal proceedings.

Nielsen Weisz LLC handles state and federal criminal cases involving homicide, sexual assault, domestic violence, drug offenses, firearms charges, fraud, embezzlement, money laundering, computer crimes, antitrust violations, and grand jury investigations. Its civil practice covers automobile and ski accidents, catastrophic injuries, wrongful death, premises liability, sexual assault claims, insurance bad faith, and disputes requiring personal insurance counsel. The firm also represents parties in permanent civil protection order hearings and proceedings to modify or dismiss existing orders.

Nielsen Weisz LLC’s partners began their careers as Colorado State Public Defenders in 1996 and have completed nearly 200 trials between them. Their experience includes first-degree murder acquittals, successful white collar defenses, significant personal injury recoveries, and multimillion-dollar civil verdicts and settlements. The firm earned a 2026 Best Law Firms Tier One ranking in criminal defense and white collar criminal defense, while both partners were selected to the 2026 Colorado Super Lawyers list. Nielsen Weisz combines substantial trial experience with focused, personal advocacy.