Colorado Fictitious Name Registration & Renewal

Registration requirements for Colorado business entities

Business entities that plan to use a name other than their legal business name may need to register an assumed name. Assumed name registration can take place at the state, local, or state and local levels of government. State specific registration information is available below.

Initial Application for Registration

Agency:Colorado Secretary of State
Form:

Online

Filing method:

Online only

Agency fee:

$20

Is registration mandatory?:

Trade names are required for businesses (other than a nonprofit entity) or individuals transacting business in the state of Colorado under a name other than the person's true name. Nonprofits may file for a trade name if they want, but they are not required to do so.

County Level Filing:

Trade name registration is done at the state level, but in order to hold real property in Colorado under a trade name, obtain an affidavit from the Colorado Secretary of State and file it with your county clerk or recorder.

Does registration prevent others from using the name I choose?:

Trade name registration does not offer name protection. Your desired DBA may not conflict with any registered entity, but may be same as another registered trade name. Colorado will permit you to file a trade name that is the same as someone else's; however, be wary of infringement of trademark protection under common law.

Notes:
  • After filing, set up email notification on your record to receive an expiration/renewal notice.
  • Publication of registration is not required in Colorado.

Renewal Filing

Agency:Colorado Secretary of State
Form:

Online

Filing method:

Online only

Agency fee:

$5

Due:

Annually by the end of the registration anniversary month.

Notes:
  • In general, reporting entities such as LLC and corporations need not file trade name renewal.
  • Non-entities (sole proprietorships and general partnerships) must file renewal annually.
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