Welcome to Duncan Accounting & Tax, LLC!

Call us today at (303) 386-5200!

Conveniently located in Parker, Colorado, we proudly provide virtual QuickBooks Online accounting and income tax services to individuals, small businesses, and nonprofit organizations from Denver Tech Center to Castle Rock and surrounding cities. With over 25 years of accounting and tax experience with various CPA firms, public corporations, nonprofit organizations, and small businesses, we have the expertise to help your company or nonprofit organization succeed! We also have advanced degrees in taxation (MST) from a highly accredited university to help you with complex tax laws! We can also help you incorporate your business as an LLC with the Colorado Secretary of State!


We are a Virtual Certified QuickBooks Online ProAdvisor company! With your permission, we can provide QuickBooks Online accounting services completely remote saving you valuable workspace to grow your business. Whether you need help purchasing and setting up QuickBooks Online software to purchase, monthly accounting services, or help troubleshooting your existing accounts, we have support plans that are customizable to fit your needs! Our value priced monthly accounting service plans are competitively priced to fit your budget. See our Virtual QuickBooks Online Services page for more details.


We also provide Virtual Income Tax Services! Through our Client Area portal below, sensitive documents can be sent and received through 256-bit encryption so your information stays private. We also have convenient Tax Organizers to help you get ready for tax filing and free E-Filing services. Please visit our Virtual Income Tax Services page for more information.


Feel free to browse our site and e-mail us with any questions, suggestions or feedback to help us improve our site so we can provide you the most up-to-date information and services!


Call us today for a free consultation! We look forward to serving you!


Duncan Accounting & Tax, LLC

(303) 386-5200

Our Services


Accounting Services

QuickBooks Online accounting services for small businesses and nonprofit organizations throughout Denver, CO.

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Income Taxes

Income tax return preparation and consulting services for individuals, small businesses (LLC's and S-Corps), and nonprofit organizations.

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May 2020

COVID-19 uncertainty abounds for everyone. This month’s newsletter provides a round-up of tax-related laws to help with tax planning for 2020 as we all navigate the coronavirus pandemic. Also in this edition are ways to track your stimulus payment, tips to find cash, and how to protect your video conference meetings from unwanted visitors.Please call if you would like to discuss how this information could impact your situation. If you know someone who can benefit from this newsletter, feel free to send it to them. Read more

April 2020

The IRS rolled out deadline extensions and new programs to help individuals and businesses navigate the COVID-19 pandemic. A recap of these announcements is included here for your review. Also in this month’s edition is an interesting tax quiz to see if you can guess which states have the highest taxes! All this plus an interesting way to keep your spare change digitally. These are challenging times. Rest assured as things change on the tax landscape, you will be among the first to know. Please stay safe. Read more

March 2020

The tax filing deadline is right around the corner! As you're busy gathering your tax documents or reviewing your tax return, included here is a caution concerning the security of IRS online applications and websites.If you're an independent contractor, there is an article outlining tips for surviving the world of self-employment.This issue also includes an article on the pros and cons of renting or buying a home and an interesting article on new viewing alternatives targeting younger audiences.Please call if you would like to discuss how this information could impact your situation. If you know someone who can benefit from this newsletter, feel free to send it to them. Read more