Certified Public Accountant Since 1980. Gary L. Abbuhl is a certified public accountant located in Longmont, CO. Since 1980 Gary has provided local clients with reliable and honest financial services. If you’re looking for auditing services in the Longmont metro area, we can help. His services include: • Tax preparation • Tax planning • Personal financial specialist • Financial statements Let Gary L. Abbuhl put his 30 years of experience to work for you. When you come to Gary you can be sure that all your papers are filed correctly and everything is taken care of. Call today to schedule your consultation. We’re happy to answer all your questions.