[John Michael Miller CPA Inc At John Michael Miller CPA Inc, our accountants are practiced in the most current tax credits and deductions. We can help you file your business or personal tax return because we focus on providing good customer service and personal attention for your unique situation. We are located in Marietta, GA and serve clients from North Atlanta, Alpharetta, Sandy Springs, Roswell, Kennesaw, Smyrna, John's Creek, and throughout the United States. ]