Colorado LLC Name Search

Check if your business name is available in Colorado before you file, then see Colorado's LLC naming rules, fees and filing requirements

Colorado
Filing Fee
$50
Articles of Organization
Periodic Report
$25
Due in your LLC’s periodic report month each year (shown on its record)
Name Reservation
$25
Holds a name for 120 days

How Much Does an LLC Cost in Colorado?

Filing your Articles of Organization in Colorado costs $50. After that, the periodic report costs $25 a year and is due in your LLC’s periodic report month each year (shown on its record).

  • Articles of Organization

    Filed online only. Source →

    $50

  • Periodic Report

    Due in your LLC’s periodic report month each year (shown on its record). You can file up to two months before or after it without a penalty. Later than that adds $50. Source →

    $25

  • Name reservationOptional

    Holds a name for 120 days. Source →

    $25

  • Trade nameOptional

    Only if you do business under a name other than the LLC’s legal name. Source →

    $20

Checked against official Colorado sources on October 23, 2026. Fees change, so confirm with the state before you file.

LLC Requirements in Colorado

Formation Requirements

Basic Requirements

  • Operating Agreement (recommended)
  • Federal Tax ID (EIN)
  • Business Licenses (if applicable)

Registered Agent

Colorado requires all LLCs to maintain a registered agent in the state.

Processing Time

Online filings are processed immediately after payment.

Source →

Contact the Colorado Business Filing Office

Search LLC Name isn’t a government website. For an official answer about a name or a filing, contact the state office directly.

Contact Details

Fax

303-869-4864

Address Information

Mailing Address

1700 Broadway Suite 200, Denver, CO 80290

Physical Address

1700 Broadway Suite 200, Denver, CO 80290

Colorado LLC Name Search FAQ

Enter the name in the search at the top of this page. It checks Colorado Secretary of State (data.colorado.gov) records and lists businesses with the same or a similar name. Search close variations too: Colorado law requires a new LLC name to be distinguishable on the records of the Secretary of State (C.R.S. § 7-90-601). A clear search is a good sign, but the state makes the final call when it reviews your filing.

It must include “Limited Liability Company” or an abbreviation such as “LLC” or “L.L.C.”. Colorado law requires a new LLC name to be distinguishable on the records of the Secretary of State (C.R.S. § 7-90-601). Words like Bank, Insurance or Trust usually need approval from another agency.

A Colorado name reservation costs $25 and holds the name for 120 days. You can renew it for $25 at a time.

Filing your Articles of Organization in Colorado costs $50. After that, the periodic report costs $25 a year and is due in your LLC’s periodic report month each year (shown on its record).

Online filings are processed immediately after payment.

Yes, Colorado requires every LLC to keep a registered agent in the state who can receive legal documents for the business.

Colorado requires a periodic report ($25), due in your LLC’s periodic report month each year (shown on its record). You also need to keep a registered agent in the state.

File a Statement of Trade Name with the Secretary of State for $20. It’s required if you do business under another name, and it stays in effect while the LLC is in good standing.