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LLC cost guide · Colorado

Colorado LLC Costs (2026): Official Fees and the 3 Best LLC Services

Mainstay Filing ($199), CO Registered Agent.org ($199) and Colorado Registered Agent.co ($199): that is our 2026 order for forming an LLC in Colorado. Forming here costs $50 in state fees and the periodic report adds $25 every year, ranking Colorado 10th of 50.
State Filing Data research desk

Colorado fee data

among 50 states on three-year fees

1st = least expensive, shared rank. All states

State filing fee

$50

per coloradosos.gov, October 2026

Periodic report

$25 / yr

Due: last day of the entity's anniversary month. per coloradosos.gov, October 2026

Late fee

$50

per coloradosos.gov, October 2026

Three-year state fees

$100

Model: filing plus two report years

Colorado: our picks

Weights: 35% three-year service fees, 30% filings covered, 30% the rest (methodology).

Our first choice

1. Mainstay Filing: best for the periodic report handled for you

Annual price $199, renewal price $199, state fee extra

We'd start with Mainstay Filing: it bundles the Colorado formation, the registered agent and the periodic report at $199 a year, the same at renewal.

CO Registered Agent.org comes in $200 lower across three years, and we still rank coverage ahead of that gap.

Renewals include the periodic report filing (state fee $25, billed at cost).

What you pay for

  • Formation prepared and filed
  • Registered agent, all year
  • Periodic report prepared and filed
  • EIN application
  • Official fee charged at cost

For

  • Includes the EIN application
  • $199 yearly bundle
  • $199 renewal, no increase

Against

  • CO Registered Agent.org renews for $100 less
In-state

2. CO Registered Agent.org: best for Colorado LLCs on a budget

$199 plus fees, then $99 yearly

Pick 2, CO Registered Agent.org: $199 to form in Colorado, agent included for year one, $99 a year after.

The periodic report stays your job, every year.

What you pay for

  • LLC filing with the state
  • First year of agent service

For

  • $199 plus the state fee
  • Agent renews at $99
  • First agent year included

Against

  • Does not file the periodic report
  • EIN application not included ($99)
In-state

3. Colorado Registered Agent.co: best for a low agent renewal

$199 plus fees, then $99 yearly

Pick 3, Colorado Registered Agent.co: $199 to form in Colorado, agent included for year one, $99 a year after.

The periodic report stays your job, every year.

Same published prices as CO Registered Agent.org.

What you pay for

  • LLC filing with the state
  • First year of agent service

For

  • $199 plus the state fee
  • Agent renews at $99
  • First agent year included

Against

  • Does not file the periodic report
  • EIN application not included ($99)

Price comparison

#ServiceYear oneFrom year twoThree-year service fees
1 Mainstay Filing $199$199/yr$597
Visit Mainstay Filing Partner link. We may earn money if you buy.
2 CO Registered Agent.org $199$99/yr$397
Visit CO Registered Agent.org Partner link. We may earn money if you buy.
3 Colorado Registered Agent.co $199$99/yr$397
Visit Colorado Registered Agent.co Partner link. We may earn money if you buy.

Service prices from each company's own pages, read November 12, 2026. Add Colorado's $50 filing fee to every row.

State plus service fees, by year

Choose years and a service; we add the state's $50 filing fee and the periodic report to the service's price.

3 years with Mainstay Filing: $100 state + $597 service = $697.

Where Colorado sits in the 50-state table

RankStateThree-year state fees
8th Utah$95
9th Ohio$99
10th Colorado$100
10th Idaho$100
10th Michigan$100

See the 50-state table for every rank.

Colorado formation fee and form

To form the LLC you file the Articles of Organization with the Colorado Secretary of State and pay $50. Same fee, whoever files.

Periodic report: what it costs

Each year the LLC files the periodic report and pays $25; the deadline is last day of the entity's anniversary month. Late filings carry a $50 penalty.

Why this order

The split between Mainstay Filing and CO Registered Agent.org sits in state filings covered, which carries 30%.

Having the periodic report filed inside the price outweighed CO Registered Agent.org's lower three-year fees.

Questions

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

Filing costs $50 in state fees. Our picks charge $199 on top.

How much is the Colorado periodic report?

$25, every year, due last day of the entity's anniversary month. Late filing adds $50.

Where does Colorado rank on LLC costs?

10th of 50 on three-year state fees (tied), at $100, counting from the least expensive state.

Is a registered agent required?

Every LLC must name a registered agent with an in-state street address.

Which LLC services are on this page?

Mainstay Filing ($199), CO Registered Agent.org ($199) and Colorado Registered Agent.co ($199), from first to last.

Which LLC service would you use?

Mainstay Filing, CO Registered Agent.org and Colorado Registered Agent.co, in that order.

Other guides

Official sources and price pages

  1. Colorado Secretary of State, sos.state.co.us, last checked August 2026
  2. Colorado Secretary of State, sos.state.co.us, last checked August 2026
  3. Colorado yearly filing: Periodic report, official source, coloradosos.gov, last checked October 2026
  4. Colorado report due date, colorado.public.law, last checked August 2026
  5. Colo, sos.state.co.us, last checked August 2026
  6. Colorado formation fee: Filing fee, official source, coloradosos.gov, last checked October 2026
  7. Utah Code § 48-3a-201, le.utah.gov, last checked August 2026
  8. Utah formation fee: Filing fee, official source, commerce.utah.gov, last checked October 2026
  9. Utah Division of Corporations and Commercial Code, corporations.utah.gov, last checked August 2026
  10. Utah Division of Corporations and Commercial Code, corporations.utah.gov, last checked August 2026
  11. Ohio Rev, codes.ohio.gov, last checked August 2026
  12. Ohio formation fee: Filing fee, official source, codes.ohio.gov, last checked October 2026
  13. Idaho Code § 30-25-201, legislature.idaho.gov, last checked August 2026
  14. Idaho formation fee: Filing fee, official source, sos.idaho.gov, last checked October 2026
  15. Idaho formation fee: Filing fee, official source, legislature.idaho.gov, last checked October 2026
  16. MCL 450.4202, legislature.mi.gov, last checked August 2026
  17. Michigan formation fee: Filing fee, official source, michigan.gov, last checked September 2026
  18. Michigan formation fee: Filing fee, official source, legislature.mi.gov, last checked September 2026
  19. Michigan Department of Licensing and Regulatory Affairs, Corporations, michigan.gov, last checked August 2026
  20. Michigan Department of Licensing and Regulatory Affairs, Corporations, michigan.gov, last checked August 2026
  21. Colorado service page: Mainstay Filing, read November 12, 2026
  22. Pricing page: CO Registered Agent.org, read November 12, 2026
  23. Pricing page: Colorado Registered Agent.co, read November 12, 2026