The Duncan Law Firm, LLP

The Duncan Law Firm, LLP has served South Dakota clients for over eight decades from offices in Parker and Sioux Falls. The firm handles governmental relations, litigation, estate planning, domestic relations, and real estate matters, with senior partner Dennis Duncan recognized as a Super Lawyer in lobbying. Known for quality representation delivered with professionalism and efficiency across the state.

About

The Duncan Law Firm, LLP has served South Dakota clients for over eight decades, building a legacy of dependable legal counsel rooted in the firm's founding principles. Established in Parker, South Dakota in 1941 by John Zimmer, the firm has grown and evolved while maintaining its commitment to knowledgeable and efficient service for individuals and businesses throughout the state. The firm now operates offices in both Parker and Sioux Falls, expanding its accessibility across South Dakota.

The firm's practice encompasses a broad range of legal matters. Its primary areas include governmental relations and lobbying, litigation, estate planning and probate, guardianship and conservatorship, health care contracting, domestic relations, and real estate transactions. This diverse practice allows the firm to serve clients with varied legal needs, from family matters and asset planning to business transactions and legislative advocacy.

The Duncan Law Firm's leadership reflects generations of legal experience. Senior partner Dennis Duncan joined the firm in 1974 and has earned professional recognition for his work, including an AV Rating from Lexis Nexis and recognition as a Super Lawyer in the lobbying practice area by Thomson Reuters. Drew Duncan became an attorney with the firm in 2003, and Amanda Engel joined as an attorney in 2013, bringing additional expertise and capacity to serve the firm's clients.

Throughout its history, The Duncan Law Firm has maintained a straightforward approach: quality legal representation delivered with professionalism and efficiency. The firm's statewide practice base reflects deep roots and broad experience across South Dakota's legal landscape, from rural communities to larger metropolitan areas.

The Duncan Law Firm maintains offices in Sioux Falls at 605.361.9840 and in Parker at 605.297.4446. Prospective clients can reach the firm by phone or email at Info@ddlawsd.com to discuss their legal needs and schedule a consultation.

Overview compiled from the firm's website