Having access to the right resources is the key to your company's growth and success. Derderian, Kann, Seyferth & Salucci, P.C. offers the critical business resources you need. Rely on our experts in Troy, Michigan, for top-quality tax preparation and business valuation. A mature yet progressive firm, DKS&S is dedicated to clients like you who want to grow their companies and accumulate personal net worth. Our experienced and talented CPAs and business advisors work closely with your team, coaching your company to prosperity, success and productivity.