Colorado Business Express is a quick and easy way to register a business with Colorado Department of Revenue and/or Colorado Department of Labor and Employment.
File Online with
Select "Start Your Filing" and Colorado Business Express will guide you through the process of filing for a sales tax license, wage withholding account, and/or unemployment insurance
Go to Forms
If you choose not to file online, select "File Manually" and Colorado Business
Express will direct you to form CR-0100, Colorado Sales Tax/Wage Withholding Application, and form UITL-100, Application for Unemployment Insurance Account and Determination of Employer Liability.