We at Hallmann Advisors, CPA's, P.C. take an active interest in improving the community in which we live and work. The members of our staff are involved in numerous activities to help achieve our community goals. Members of  the following organizations: American Association of Certified Public Accountants  Michigan Association of Certified Public Accountants Clarkston Chamber of Commerce Birmingham Bloomfield Chamber of Commerce Rochester Chamber of Commerce American Association of Builders and Contactors