Conveniently located at 8157 North Main Street in Dayton, Gudorf Tax Group is an Ohio tax preparation company with over thirty years of experience in bookkeeping, payroll, tax preparation and accounting services.Originally established in 1981 by Shelley L. Denney, the firm has served hundreds of clients seeking meticulous, experienced work along with personalized attention and service. We are proud to have developed relationships of long standing with many of our clients, who have come to rely on us year after year for tax work as well as the payroll, accounting and bookkeeping that keeps their businesses running smoothly and efficiently.