Call 303-386-5200
 303-386-5200  720-595-5004

Welcome to Duncan & Company, LLC!


File Your Colorado Return Before 6/30/2022 To Get Your TABOR Refund!

Thank you for visiting our site! We are a locally-owned CPA firm conveniently located in Parker, Colorado! With over 25 years of accounting, auditing, and tax experience with individuals, small businesses and nonprofit organizations, and advance degrees in taxation (Master of Tax), we know how important it is to keep your books and records up-to-date and quarterly and annual income tax returns filed timely and accurately. To ensure accuracy, we use the most sophisticated and advanced tax software to prepare your tax return, calculate your estimated tax based on current year events, and keep current through over 40 hours of continuing professional education each year. Our CLIENT PORTAL provides a secure communications platform so your information and documents are secure!

To help you stay current, we have various Accounting and Tax Services that meets your needs and budget, including a comprehensive business accounting and tax service package that combines monthly accounting, quarterly and annual tax return preparation, and income tax planning/advisory services for a low annual fee! We can even train you and/or your staff in using QuickBooks Online or desktop editions effectively and efficiently saving you time and frustration!

Our Accounting Services for small businesses are customized to meet your business needs and are completely virtual (QB Online access required). Accounting Services start at $450 per month depending on complexity and transaction volume. Our comprehensive business accounting and tax services start at $520 per month. The best part is they are fully tax deductible! Please see our Accounting Services page for more information. 

Our Income Tax Services start at $195 for individual standard deduction tax returns and $550 for corporate, partnership, and nonprofit organization returns. We also provide estate, gift and fiduciary tax return services. All returns include one state return and e-filing fees are free of charge. Additional fees may apply depending on forms required. We also offer income tax planning services so you can take steps to improve your tax situation before year end! Please visit our Income Tax Services page for more information.


‚ÄčFeel free to browse our site.

Check out our TAX VIDEOS and NEWSLETTER pages for helpful tax information!

Our FINANCIAL CALCULATORS can help you with payroll, retirement and planning, business and personal finance, and other "what-if" scenarios.

Visit our LINKS page profices for helpful links for IRS information for individuals and small businesses, check your IRS refund, and other research pages.

We also have a useful Calendar with important dates and deadlines to keep you up-to-date with federal income and payroll tax filing requirements.

Our CLIENT PORTAL gives you access our secure encrypted portal where you can safely send us confidential documents, ask questions, and view your completed tax return!

Please send us a message below or call us today at (303) 386-5200 for a free consultation!

We look forward to serving you!

Duncan & Company, LLC
(303) 386-5200

Services you can trust, so you can focus on the bigger picture

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Contact Duncan & Company, LLC

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

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