Everything you need to know — explained simply. No jargon.
Denver Dept. of Excise and Licenses
Website: denvergov.org/business
Denver Business License required. Also get a Colorado Sales Tax License if you sell taxable items.
Visit denvergov.org/business — look for "Business License," "Business Tax Certificate," or "Business Registration."
Most cities now have online applications. Some still use paper forms you mail or drop off.
You'll need: your business name, address, what you do, your SSN or EIN, and sometimes estimated annual revenue.
Typical cost in Denver: $25–$100/year. Pay online or by check.
Usually takes 2–5 days. Physical businesses post their license where customers can see it.
A city license doesn't cover state requirements. See the Colorado state guide.
Most Denver licenses need to be renewed every year. Missing it means a fine. Set a calendar reminder now.
⚠️ General information only — not legal advice. Always verify with your actual city or state office. Affiliate disclosure.