Form a Business in Colorado
Last updated:
Everything you need to form and maintain an LLC, Corporation, S-Corp, or DBA in Colorado. Filing fees, ongoing requirements, and tax treatment current for 2026 — sourced from the Colorado Secretary of State and the IRS.
Colorado business formation overview
If you're forming a business in Colorado, the four most common entity types are the LLC (most popular for solo founders and small partnerships), the C-Corporation (used by venture-funded startups), the S-Corporation (a tax election available to LLCs and corporations meeting IRS rules), and the DBA ("doing business as", a trade-name registration for sole proprietors and existing entities). Each has its own filing fee, ongoing report cycle, and tax treatment in Colorado.
The cheapest path to a registered business in Colorado is the LLC at $50 for the Articles of Organization. A C-Corporation costs $50 for the Articles of Incorporation, and a DBA registration is $20. After formation you'll have ongoing obligations: an annual report ($25, annual), a registered agent with a physical Colorado address, and any applicable franchise or income tax: None.
Colorado at a glance (2026)
All Colorado topics
Frequently asked questions about forming a business in Colorado
How much does it cost to form an LLC in Colorado?
The state filing fee is $50 to file Articles of Organization with the Colorado Secretary of State. Optional add-ons (registered-agent service, expedited filing, certified copies) are extra. See our cost breakdown for the full picture.
Does Colorado require an annual report?
Yes — Colorado requires an annual report at $25 (annual). Missing the deadline triggers late fees and eventually administrative dissolution.
What is the franchise tax in Colorado?
None Always confirm rates with the Colorado Department of Revenue or your tax advisor before filing.
Do I need a registered agent in Colorado?
Yes. Every LLC and Corporation registered in Colorado must designate a registered agent with a physical street address in the state who can accept legal process during business hours. You can serve as your own agent, appoint a co-owner, or hire a commercial registered-agent service.
Sources & further reading
Disclaimer: Legal information, not legal advice. For advice about your specific situation, consult a licensed attorney or CPA in your state. See our full disclaimer.