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Potomac Key Group provides management consulting and business advisory services to a wide range of companies globally. Founded and headed by Stuart Mackiernan in 2004, Potomac Key Group has responded to the needs of clients where a timely and flexible approach is required to assist them in finding solutions to difficult problems impacting their business. While most of our engagements have been in an advisory role, Mr. Mackiernan has served as CEO for CompuDyne under contract for Private Equity investors and for a US subsidiary for Jenoptik AG.


We have significant experience with Public Sector enterprises including those operating in the Defense, Homeland Security and Public Safety markets. Our functional expertise encompasses Operations, Business Development, Mergers and Acquisitions, Channel Development and Business Strategy. With a strong network of talented managers and consultants, Potomac has the proven ability to bring in specialized expertise on short notice.