St. Peter O’Brien Law Offices

St. Peter O'Brien Law Offices, P.C. is a full-service law firm based in Missoula, Montana, providing comprehensive legal representation to individuals, families, businesses, and nonprofit organizations. The firm offers expertise across a broad range of practice areas including estate planning, business law, tax law, real estate law, adoption law, general litigation, guardianships, and conservatorships. With a commitment to personalized service, the firm supports clients through all stages of legal matters, from entity formation and contract drafting to probate proceedings and complex civil litigation. The attorneys at St. Peter O'Brien Law Offices bring decades of combined experience to help families and businesses navigate their legal needs with clarity, professional guidance, and client-focused strategies tailored to each situation.