How to Start an LLC in Colorado (2026)
Colorado’s Articles of Organization filing fee is $50. The recurring SOS filing is the $25 Periodic Report. Review the online filing instructions, current processing conditions, agent duties, tax registrations and local requirements before starting.
File Colorado Articles of Organization online for $50. A $25 Periodic Report is required annually, with a five-month window centered on the report month: two months before, the report month and two months after. The first report is due the following year. Tax obligations depend on classification and activity; check the applicable tax-year rules separately.
- Filing fee
- $50 online only
- Processing
- Check current SOS instructions
- Periodic Report
- $25/yr
- Franchise tax
- None
- State income tax
- Flat; verify tax-year rate
- Paper filing
- Not accepted
- Formation doc
- Articles of Org.
Why Form an LLC in Colorado?
Colorado is a genuinely strong choice for cost-conscious founders — the numbers stack up in your favor from day one:
- $50 filing fee, instant approval — Colorado only accepts online filings, but that means no waiting; most Articles of Organization are approved within minutes.
- No franchise tax — unlike states that charge LLCs a minimum tax regardless of profit, Colorado's only recurring state fee is the $25 Periodic Report.
- Flat rate; verify tax year state income tax — no brackets to calculate, and the rate applies the same whether you earn $30,000 or $3 million.
- No name reservation required — your name is reviewed and approved for free the moment your Articles of Organization is filed.
- No general state business license — Colorado doesn't require a blanket state license, though local and industry-specific ones may still apply.
Colorado's home-rule cities complicate sales taxColorado has more "home-rule" municipalities than almost any other state — cities like Denver, Boulder, and Colorado Springs administer their own sales tax entirely separately from the state. If you sell taxable goods across multiple Colorado cities, you may need to register and file with each one individually, not just the state. See Step 7 for the full picture.
Colorado LLC Cost Calculator
Toggle the options to see your total first-year cost — Colorado keeps this refreshingly simple with only two required line items:
Estimates only. Registered agent pricing varies by provider. Your first Periodic Report isn't due until the year after formation, so most LLCs' actual first-year cash outlay is just the $50 filing fee. Not legal or tax advice.
The 8 Steps to Start Your Colorado LLC
Here's the full path from name to taxes. Each step has its own detailed guide with a tool to make it easier — the filing that legally creates your company is Step 3: Articles of Organization:
Colorado's Flat State Income Tax
Colorado’s Periodic Report is an information filing, not an income tax. Owner and entity tax obligations depend on classification, residency and business activity. Check the applicable tax-year rate and state and home-rule local requirements before filing tax returns.
Use the Colorado Secretary of State’s online filing system for Articles of Organization. Confirm current instructions, accepted effective date and status after submission; do not promise approval by a particular time.
- ✓Optional formation assistance; confirm filing scope, service pricing and submission responsibilities.
- ✓Confirm reminder and follow-up filing services; the LLC remains responsible for its deadlines.
- ✓Confirm registered-agent eligibility, coverage, included periods and renewal charges.
- ✓Review address-use rules and privacy policies; a service does not remove all information from public filings.
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Colorado LLC — FAQ
Ahmad Adil is the founder and CEO of LLC School. For filing and ongoing compliance, confirm the requirements with the responsible state agency. This is educational information, not legal or tax advice.
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