Duie represents clients in business transactions and corporate matters, with an emphasis on privately held and family businesses. His practice spans the business life cycle, from initial business planning and the formation of corporations, LLCs, partnerships, and other entities, to business sales, workouts, and windups. Duie also provides general representation in day-to-day business matters such as contract preparation, review, and negotiation. He frequently advises clients on shareholder, buy/sell, and other owner agreements, lending and finance, construction contracts, employment and non-compete agreements, and other business matters. Duie works with closely held business owners in their estate and succession planning, particularly as it relates to their businesses. He also represents non-profit organizations in their formation, governance, and application for federal and state tax exemptions.