Businesses | Department of Revenue - Taxation

Visit "Where can I get vaccinated" or call 1-877-COVAXCO (1-877-268-2926) for vaccine information.

Tax Types

#FFFFFF

Sales & Use Tax

Business Income Tax

Withholding Tax

Excise & Fuel Tax

Property Taxation (DOLA)

#FFFFFF

Electronic Funds Transfer (EFT)

Visit the Electronic Funds Transfer (EFT) web page to learn more about this tax payment service >>

#FFFFFF

#FFFFFF

E-File Options

#FFFFFF

Revenue Online (ROL)

Sales & Use Tax System (SUTS)

Sales & Use Tax Spreadsheet Filing

Resources for Businesses

#FFFFFF

Cover of the Colorado Sales Tax Guide

Guidance Publications

Virtual Training Participant Taking Notes

Business Tax Class

Online Training Instructor Speaking on a Computer Screen

Watch How-To Videos

Business woman checking her email

Sign Up for Email Alerts

Computer hacker trying to find out a password

Tax Fraud Prevention

#FFFFFF