Individual and Business Services. Mahlum Goodhart PC offers a full line of Accounting Services for individuals, businesses, and non profit clients. We provide top quality services in the Mandan and surrounding areas. Whether you are needing personal tax advice, business accounting, or help with audits and reviews, Mahlum Goodhart will provide you with information and services that will make your accounting needs seem less taxing. We offer: • Bookkeeping • Income Tax Return Preparations • Tax Planning • Audit Services • Payroll Preparation • Quickbook Support • Personal Financial Planning • Estate Planning Please give us a call for any of the above needs and we will ensure your needs are met and it is seemless.