Our Location - Dennis G Koch and Associates, LLC - Certified Public Accountant - Quincy, IL


Come see us at 1706 North 16th Street in Quincy. The office is located on 16th Street between Locust and Seminary Road, just up the street from the QU soccer field.

Firm Profile - Dennis G Koch and Associates, LLC - Certified Public Accountant - Quincy, IL


Dennis G Koch CPA was established in May 2007 with over 35 years of experience in practice. My firm specializes in audits of electric cooperatives and independent telephone companies, not-for-profit organizations, small businesses and governmental entities. Dennis G Koch is licensed in the states of Illinois and Missouri as well as being registered to practice…

Cars of Special Interest - Dennis G Koch and Associates, LLC - Certified Public Accountant - Quincy, IL

Cars of Special Interest

It’s not all about work. Pictured here is my father’s 1954 Kaiser Darrin. Over the past 9 years, I’ve had this car restored to its original condition. Features of the car include its Fiberglas body, sliding pocket doors and three-way convertible top. The gallery below contains a number of photos of the car from how it…

Time Out Teddy - Dennis G Koch and Associates, LLC - Certified Public Accountant - Quincy, IL

Time Out Teddy

Mascot of the The National Exchange Club I am a member of the Exchange Club of Quincy Illinois. In addition to our Programs of Service in Youth Activities, Community Service, and Americanism, our National Project is the Prevention of Child Abuse. You can learn more about Exchange by clicking on the picture of our mascot…

Welcome and thank you for visiting my website.

In addition to providing you with a profile of my firm and the services I provide, this Website has been designed to become a helpful resource tool for you, my valued clients and visitors. My dedication to superior client service has brought me to the Internet as I endeavor to continue to provide the highest quality professional service and guidance.

As you browse through my Website, you will see that not only have I highlighted background information on my firm and the services I provide but have also included useful resources such as informative articles (in our Newsletter section) and interactive financial calculators (in our Financial Tools section). In addition, I have taken the time to gather many links to external websites that I felt would be of interest to my clients and visitors (in the Internet Links section).

While browsing through my Website, please feel free to contact me with any questions or comments you may have – I’d love to hear from you. I pride myself on being proactive and responsive to my clients’ inquiries and suggestions.


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