HALLMANN ADVISORS, CPA's, P.C. Main Office 6510 Town Center Drive, Suite A Clarkston, MI 48346 Our office hours are 8:00am to 5:00pm Monday - Friday. Closed Saturdays and Sundays Durning Tax Season from January 15th to April 15th we will have extended week day hours from 7:30am until 6:30pm and on Saturdays from 9:00am to 2:00pm. Closed Sundays. Telephone  248-625-2727  Fax Line 248-625-9727 Toll Free 1-888-393-2727 Satellite offices  Satellite offices are available for meetings and for mail or information to be dropped off 30665 Northwestern Hwy Suite 100, Farmington Hills, MI 48334 and 36700 Woodward Ave., Suite 100, Bloomfield Hills, MI 48304

36700 Woodward Ave., Suite 100 Bloomfield Hills, MI  48304 888-393-2727 Get Directions 30665 Northwestern Hwy, Suite 100 Farmington Hills, MI  48334 888-393-2727 Get Directions Main Office 6510 Town Center Drive, Suite A Clarkston, MI  48348 888-393-2727 Email Get Directions