Existing Business Information
Welcome to the State of Colorado Business Express for existing businesses.
Custom Resource GuideLearn how to prepare a written business plan, check your employer responsibilities, or estimate your sales tax. The Custom Resource Guide also includes information on government business requirements, counseling, training, and other entrepreneurial resources.
Resource Toolbox
By using the Resource Toolbox you will be able to access many valuable online services with the Colorado Department of Labor and Employment, Colorado Department of Revenue, Colorado Secretary of State's Office, Office of Economic Development and International Trade and the Colorado Department of Regulatory Agencies.