Meet the Team
We handle your business finances, so you don't have to.
Most small business owners are juggling everything: leading a team, putting out fires, managing clients, and making big decisions every single day. Bookkeeping and taxes tend to fall to the bottom of the list… until it becomes a problem.
We help hands-on business owners clean up their books, create systems they can rely on, and finally feel confident about their taxes and books. Whether you’re catching up or starting fresh, we’ll walk you through what needs to be done (without judgment or overwhelm).
It isn’t just about balancing your books. It’s about giving you the peace of mind to lead with clarity, make decisions with confidence, and feel in control of your business again.
Ditch the overwhelm. Get the dream team.
About OneBooks Colorado:
Keeping your business in the black
the OneBooksTeam
Keely Cox, CPA, is a Partner at OneBooks Colorado and brings nearly a decade of experience in public accounting. After leaving public accounting to help run her husband’s small business, Keely gained firsthand insight into the day-to-day challenges business owners face and the critical role clear, accurate bookkeeping plays in tax planning and decision-making.
She works closely with hands-on business owners to clean up their books, implement reliable financial systems, and gain confidence in their numbers. Whether clients are catching up or starting fresh, Keely provides practical guidance and steady support without judgment or overwhelm.
Keely earned her Bachelor’s degree in Accounting from the University of Wyoming and holds a Master’s degree in Taxation from the University of Denver.
CPA- Partner
Keely Cox
CPA- Partner
Jane Hornung
Jane Hornung, CPA, is a Partner at OneBooks Colorado and brings over 10 years of experience in tax, accounting, and finance. She has worked with clients ranging from small businesses to multinational corporations and is known for combining strong technical expertise with practical, strategic guidance.
Jane earned her Bachelor’s degree in Accounting from Colorado State University and holds a Master’s degree in Taxation from the University of Denver. Her depth of knowledge and commitment to client success make her a trusted advisor and leader within the firm.
Christian Tilelli is a Junior Accountant at OneBooks Colorado. He is currently a student at Colorado State University Pueblo, and will graduate with a bachelor’s degree in accounting in the Spring of 2026.
Christian supports clients through detailed bookkeeping, tax preparation, and organized financial processes and intends to pursue his Certified Public Accountant (CPA) license following graduation.
Junior accountant
Christian Tilelli
Need payroll support? We will get you set up and give you on going support using systems that fully integrate with QuickBooks Online. Our preferred payroll software is Gusto.
Payroll Set-up & Support
You are probably not a tax professional, but WE ARE. We will expertly file your taxes so you can have peace of mind and get back to running your business.
Tax Compliance & Strategy
Let us handle the day to day of your business finances so you can do what you do best! Confidently know that your books are clean and up to date on a regular basis. Handled by our accounting team.
Monthly Bookkeeping
How We can help:
Let's talk through your business financial needs. Book a time with us!
