How to Start an LLC in Colorado

Colorado LLCs file a Certificate of Organization and file periodic reports. Step-by-step Colorado LLC formation guide.

To start an LLC in Colorado, you file a Certificate of Organization through the Secretary of State's online business center.

The filing fee is approximately $50, and online filings are typically processed within a few business days, often faster. Fees change frequently, so confirm the current amount on the Colorado Secretary of State website before you file.

Confirming Your Colorado LLC Name

Colorado requires LLC names to be distinguishable from other entities on record. You can search the Secretary of State's business database for free. The name must include "LLC" or "Limited Liability Company," and it cannot imply a regulated business type you are not licensed for.

• Run a free search in the Colorado business database.
• Reserve a name for a short window if you need time.
• Keep the name short and easy to spell for branding.

Colorado's business center lets you check availability instantly, so there is no reason to guess. If your first choice is taken, the search results will show similar names you can use as inspiration. Checking a matching web domain at the same time helps you lock down a consistent brand.

Colorado's Registered Agent Requirement

Every Colorado LLC must name a registered agent with a physical street address in the state. The agent receives legal documents and official notices during business hours. You can be your own agent, choose another person, or hire a commercial service.

Your agent's address appears on the public record, so home-based owners often prefer a commercial agent for privacy. Colorado also requires you to keep the agent's information current, and you can update it online through the business center. If you are unsure what the role involves, read our registered agent guide.

Filing the Certificate of Organization Online

The Certificate of Organization creates your LLC. Colorado strongly encourages online filing through its business center, and the form takes only a few minutes to complete.

1. Log in to the Colorado Secretary of State business center.
2. Complete the Certificate of Organization form.
3. Pay the filing fee of approximately $50.
4. Download your stamped certificate when approved.

You will need to create a free account in the business center first. The system saves your filings, so you can reuse your login for the periodic report, amendments, and any other filings later.

Colorado LLC Fees and Processing Times

Colorado is one of the more affordable states for LLC formation. The Certificate of Organization costs approximately $50. Online filings are usually processed within a few business days, and many are approved the same day. As of 2026, the Secretary of State's online system remains the fastest route. For a state-by-state comparison, read our guide on how much an LLC costs.

There is no annual report fee in Colorado. Instead, you will pay about $10 every two years for the periodic report, which keeps your total compliance costs very low compared with most states.

After Approval: EIN, Agreement, and Business Accounts

Once your certificate is issued, finish the setup:

• Get a free EIN from the IRS for banking and payroll. Our guide on getting an EIN for your LLC explains the process.
• Write an operating agreement covering ownership, profits, and management.
• Register for Colorado state tax accounts, including withholding if you have employees.
• Open a business bank account in the LLC's name.

Colorado also has a sales tax system administered by the Department of Revenue. If you sell taxable goods or services, you will need a sales tax license before you start collecting from customers.

Colorado Periodic Reports Every Two Years

Colorado does not use annual reports for LLCs. Instead, you file a periodic report every two years, with a fee of approximately $10 when filed online. The Secretary of State sends a reminder before the due date. Missing it can put your LLC in bad standing, so add it to your calendar. You can file the report in minutes through the same business center account you used to form the LLC.

Frequently Asked Questions

How much does it cost to start an LLC in Colorado?

The Certificate of Organization filing fee is approximately $50. Colorado LLCs also file a periodic report every two years for about $10 online. Confirm the current fees on the Colorado Secretary of State website.

How long does it take to get an LLC approved in Colorado?

Online filings are typically processed within a few business days, and many are approved the same day. Mailed filings take longer. Filing through the Secretary of State's online business center is the fastest option.

Does Colorado require a registered agent for an LLC?

Yes. Every Colorado LLC must maintain a registered agent with a physical street address in the state. The agent accepts legal documents and official notices during business hours. You can serve as your own agent or use a commercial service.

Does a Colorado LLC need to file an annual report?

No. Colorado uses a periodic report filed every two years instead of an annual report. The online filing fee is approximately $10. The Secretary of State sends a reminder before the due date.