Form Your Colorado LLC
Launch your Colorado limited liability company through the Colorado Secretary of State's office. Colorado charges one of the lowest formation fees in the country at just $50, with standard processing in 5-10 business days through the sos.colorado.gov online portal.
Why Colorado Is Popular for LLCs
Colorado's business climate draws entrepreneurs from across the country. The state's combination of low filing costs, a streamlined online system, and no franchise tax makes it particularly attractive:
- $50 formation fee — among the lowest in the U.S. (compare to California's $70, Texas's $300, or Tennessee's $300)
- $25 Periodic Report — annual maintenance is minimal compared to Delaware ($300) or Nevada ($350)
- No franchise tax — unlike Texas, Tennessee, or California, Colorado doesn't impose an additional entity-level tax on LLCs
- 4.4% flat income tax — predictable rate that applies equally regardless of income level (reduced from 4.55% in 2024)
- Online-only filing — the Colorado Secretary of State Business Center at sos.colorado.gov handles everything electronically
Colorado's tech corridor (Denver-Boulder), cannabis industry, outdoor recreation sector, and energy industry all drive significant LLC formation volume. The state ranked 8th nationally for new business applications in 2024.
What's Included through our service
- Articles of Organization preparation and filing with the Colorado Secretary of State
- $50 state filing fee paid directly to the SOS on your behalf
- Registered agent service ($99/year, separate service) — satisfies the Colorado LLC Act requirements
- Custom operating agreement template tailored to Colorado law
- EIN application assistance through the IRS
- Online dashboard for documents and compliance tracking
Colorado LLC at a Glance
| Item | Detail |
|---|---|
| Formation document | Articles of Organization |
| Filed with | Colorado Secretary of State (sos.colorado.gov) |
| State filing fee | $50 |
| Our service fee | our service fee |
| Processing time | 5-10 business days (online) |
| Annual maintenance | $25 Periodic Report (due in anniversary month) |
| State income tax | 4.4% flat rate |
| Franchise tax | None |
| Governing law | the Colorado LLC Act (Colorado LLC Act) |
Complete LLC Formation Guide
Our step-by-step formation guide walks you through every requirement — from searching the Colorado Secretary of State business database for name availability to filing your Articles of Organization through the sos.colorado.gov portal. Colorado's online system makes DIY filing straightforward, but our service handles the details so nothing gets missed.
After You're Formed
Once the Secretary of State approves your Articles of Organization, there are ongoing compliance requirements to maintain good standing. The most critical: filing your Periodic Report (Colorado's version of an annual report) for $25 each year during your anniversary month. Miss the deadline and you face a $50 late fee, then potential administrative dissolution under the Colorado LLC Act.
Choose the Right Structure
Not sure whether an LLC fits your situation? Our comparison guides break down LLCs versus corporations, sole proprietorships, S-corps, and partnerships — all analyzed through the lens of Colorado's specific tax rates and filing requirements.
Explore LLC Types
Colorado allows single-member LLCs, multi-member LLCs, professional LLCs (for licensed professions like law, medicine, and accounting), and foreign LLC registration. Colorado does not authorize Series LLCs. See all LLC structures available in Colorado.
Industry-Specific Guidance
Colorado's dominant industries each have unique LLC considerations. Our industry guides cover real estate (particularly relevant given Denver's market), freelancers and consultants (Boulder's tech scene), e-commerce, and construction. Cannabis businesses should note that Colorado requires specific entity structures for marijuana license holders.
Colorado Tax Overview
Colorado imposes a 4.4% flat income tax on LLC pass-through income but charges no franchise tax or entity-level fee beyond the $25 Periodic Report. Understand your full tax obligations including sales tax collection requirements, quarterly estimated payments, and the option to elect S-corp taxation to reduce self-employment tax.
Helpful Guides
Our practical guides cover Colorado-specific scenarios: forming an LLC as a non-resident who needs a Colorado registered agent, converting a sole proprietorship, handling a missed Periodic Report deadline, and navigating the new HB 24-1137 identity verification requirements that took effect July 1, 2025.
Filing fees and requirements verified as of May 2026. Check your state's filing authority website for current information.
Ready to Start?
Forming a Colorado LLC through our service means we handle the Articles of Organization filing with the Secretary of State, set up your registered agent to satisfy the physical-address requirement under the Colorado LLC Act, and deliver your formation documents within 5-10 business days.