RELY ON 30+ YEARS OF BUSINESS ACCOUNTING EXPERIENCE Robert Addington, CPA has provided Indianapolis small business owners with dependable accounting services. After working with the Indiana Department of Revenue, Addington founded this firm to assist small business owners with their finances. Our license number is CP19100012. When you choose us, you’ll get the meticulous, efficient accounting assistance your business needs. Contact a respected CPA firm in Indianapolis, IN for more information about our small business accounting services.