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Colorado LLC

How to Start an LLC in Colorado

A practical overview of the filing cost, formation process, annual requirements, and topics to review before forming an LLC in Colorado.

Start here if you are deciding on a Colorado LLC

Colorado has a straightforward $50 online LLC filing and a $25 periodic report, but registered agent consent, the 5-month periodic report window, sales tax licensing, employer accounts, and home-rule local tax rules still need attention.

Comparing total cost?Check the filing fee, recurring costs, optional services, and tax registration costs.Ready to file?Search the name first, then file Articles after the name looks usable.Selling or hiring?Separate the IRS EIN from state tax or employer registration before you operate.

Colorado LLC at a glance

Formation filing fee
$50

Initial state filing fee in the 2026 comparison data.

Annual / recurring fee
$25 every year

State-level recurring cost listed in the 2026 comparison data.

Registered agent
Required

Most LLCs need a registered agent or equivalent official contact.

EIN application
$0

When requested directly from the IRS.

Complete guide available

Colorado LLC cost guide

See Colorado LLC costs in 2026, including state filing fees, recurring fees, registered agent, EIN, taxes, licenses, and common add-on costs.

Read full guide

How to form a Colorado LLC

  1. 1

    Choose and check a business name

    Check whether the name is distinguishable from existing businesses in Colorado.

  2. 2

    Choose a registered agent

    Maintain a registered agent and registered office that meet the state's requirements.

  3. 3

    File the formation document

    Submit the Articles of Organization or equivalent formation document through the state's filing office.

  4. 4

    Complete the post-formation basics

    Create an operating agreement, apply for an EIN when needed, and check tax, license, and employer registrations.

Important considerations

  • The initial filing fee is only one part of the cost. Annual reports, franchise taxes, registered-agent service, licenses, and local requirements may also apply.
  • Tax registration depends on the business activity, location, employees, and tax programs that apply.
  • Forming in Colorado does not automatically eliminate registration requirements in the state where the business actually operates.

Colorado LLC guides

Use these topic pages when you need the details behind a specific filing, tax, name, agent, or post-formation step.

CostSee Colorado LLC costs in 2026, including state filing fees, recurring fees, registered agent, EIN, taxes, licenses, and common add-on costs.TimeSee Colorado LLC processing time factors in 2026, including online filing, paper filing, name issues, registered agent mistakes, EIN timing, and next steps.NameLearn how to search a Colorado LLC name in 2026, check distinguishability, avoid name rejection, and separate legal names from DBAs, domains, and trademarks.Registered AgentUnderstand Colorado registered agent rules for LLCs in 2026, including who can serve, address requirements, privacy tradeoffs, and when to use a service.ArticlesLearn how to file the Colorado LLC formation document in 2026, what information to prepare, what the filing fee covers, and what to do after approval.AgreementLearn what a Colorado LLC operating agreement should cover in 2026, why banks and partners ask for it, and how it supports ownership and management.EINLearn when a Colorado LLC needs an EIN in 2026, how to apply through the IRS for free, and how EIN timing affects banking, payroll, and tax accounts.Annual ReportUnderstand the main recurring Colorado LLC filing or compliance task for 2026, including deadlines, fees, good standing, and how it differs from federal taxes.LicensesLearn which licenses and permits a Colorado LLC may need in 2026, including sales tax, local permits, professional licensing, employer accounts, and regulated work.TaxesUnderstand Colorado LLC taxes in 2026, including federal classification, state tax registration, sales tax, payroll accounts, recurring fees, and local obligations.