Welcome to KoolTax – Individual and Small Business Tax Preparation

About KoolTax

KoolTax, LLC is a CPA firm that specializes in individual and small business income tax preparation. Our office is at 1459 S Moline St, Aurora, CO 80012. We've been preparing federal and state tax returns since 1985. Call 303-885-2889 for an appointment.

CPA Prepared

When you have your taxes prepared at KoolTax, you can feel secure, knowing that a CPA is personally responsible for every step of your return, and reviews it for accuracy and completeness to ensure that you pay the least taxes possible.

A CPA is licensed by the state, and is required to meet stringent regulations regarding professional knowledge, ethics, and continuing professional education to stay up-to-date with constantly changing tax laws. They are bound legally and ethically to high standards of client confidentiality and due diligence.

Your privacy and confidentiality are protected at all times.

CPA Tax Preparation

Ray Derby


Ray Derby received his MBA from the University of Denver and is an active CPA in Colorado. He made his first career in the U.S. Marine Corps.


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