Our Services


Duncan & Company, LLC was formed in in 2009 as a full-service Certified Public Accounting firm providing virtual QuickBooks Online accounting, income tax, and consulting services to individuals, small businesses, and nonprofit organizations throughout Denver, Colorado, and surrounding cities. We have over 25 years of accounting, audit, and tax experience including public companies, small businesses, and nonprofit organizations and are centrally located in Parker, Colorado. Our services include:

  • Virtual QuickBooks Online bookkeeping and accounting for small businesses and nonprofit organizations
  • Income tax services for individuals, small businesses, and nonprofit organizations 
  • Consulting services such as GAAP accounting, choosing the right business type, getting you set up on QuickBooks Online, and more! 

Click "Sign In" to access our encrypted portal to upload your confidential documents to a secure environment.

Feel free to browse our site. We have valuable monthly newsletters with information on the latest changes in accounting and tax and financial calculators that can help you with payroll, retirement and planning, business and personal finance, and other tools. You can even pay your bill on-line through our "Make a Payment" page. 

Please email us below or call us today at (720) 237-0931 for a free consultation!

We look forward to serving you!

Thank you!

Duncan & Company, LLC

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720-237-0931 info@duncancocpa.com

17128 E. Cedar Gulch Dr., Parker, CO 80134

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720-237-0931 info@duncancocpa.com