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Registered agent guide · Colorado

Colorado Registered Agent Route (2026): Rules, State Fees and the 3 Best Agents

For a registered agent in Colorado, our 2026 routing puts Mainstay Filing ($149 a year), Colorado Registered Agent.co ($99 a year) and CO Registered Agent.org ($99 a year) in that order. A registered agent is a fixed stop on the route. The state's own yearly charges: $25, or 19th of 50.

Surveyed by the Filing Mapper team

Colorado route markers

19th

along the 50-state route, yearly tolls

Fewer miles, smaller toll (shared mile). See the full map

Registered agent required
Yes
Measured against sos.state.co.us, October 2026
Periodic report
$25 / yr
The checkpoint closes, in the state's words: last day of the entity's anniversary month. Measured against coloradosos.gov, October 2026
State toll, one year
$25
A year of the report toll, plus any minimum tax

Route services for Colorado

The criteria and weights behind the order are in the method.

1. Mainstay Filing: best for multi-state businesses

Our lead pick$149/yr to begin, $149/yr later

Stop one, Mainstay Filing: $149 a year, level at renewal, valid on every route.

Set beside Colorado Registered Agent.co, the three-year fare is $150 larger, with more of the route walked for the owner.

The fare covers

  • Street address in Colorado on the public map
  • If papers are served on the company, they are scanned the same business day at no cost
  • Letters from government offices are scanned free, the first three each year
  • The same service runs for corporations, partnerships and nonprofits

On the plus side

  • $149 yearly, no step up
  • Good in each of the fifty states

On the minus side

  • $50 a year above Colorado Registered Agent.co
  • Reports are the owner's to clear on this ticket
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Colorado Registered Agent.co: best for owners who live in Colorado

Home-state route$99/yr to begin, $99/yr later

Colorado Registered Agent.co sits at stop 2 because $99 a lap with no step up at renewal, a match for a company that stays on one route.

The fare covers

  • Genuine office address in Colorado
  • Whatever is served is scanned and posted

On the plus side

  • Costs less per lap than Mainstay Filing
  • $99 yearly, no step up

On the minus side

  • Runs in Colorado only; other states need their own agent
  • The periodic report checkpoint is not cleared for you
Visit Colorado Registered Agent.coPartner link. We may earn money if you buy.

3. CO Registered Agent.org: best for specialists in Colorado

Home-state route$99/yr to begin, $99/yr later

CO Registered Agent.org sits at stop 3 because $99 a lap with no step up at renewal, a match for a company that stays on one route.

Compared with Colorado Registered Agent.co, the fares come out level.

The fare covers

  • Genuine office address in Colorado
  • Whatever is served is scanned and posted

On the plus side

  • $99 yearly, no step up
  • Costs less per lap than Mainstay Filing

On the minus side

  • Runs in Colorado only; other states need their own agent
  • The periodic report checkpoint is not cleared for you
Visit CO Registered Agent.orgPartner link. We may earn money if you buy.

Colorado route services in one table

StopProviderYearly rateRenewal rateProvider cost, three years
1Mainstay Filing$149$149/yr$447Visit Mainstay FilingPartner link. We may earn money if you buy.
2Colorado Registered Agent.co$99$99/yr$297Visit Colorado Registered Agent.coPartner link. We may earn money if you buy.
3CO Registered Agent.org$99$99/yr$297Visit CO Registered Agent.orgPartner link. We may earn money if you buy.

Each fare was read from the provider's own pages on November 12, 2026. Switching agents leaves the state tolls where they are.

Yearly route calculator

Each agent fare is paired with the state tolls that repeat (the periodic report beginning in year two). The opening fee is not in the total.

Route cost for 3 years with Mainstay Filing: $497, of which $50 goes to the state and $447 to the provider.

Colorado and the stops on either side of it

MileStateYearly state fees
17thUtah$18
18thMontana$20
19thColorado$25
19thMichigan$25
19thOklahoma$25

The entire route map is at Registered agent rules by state, lightest tolls first.

What the road rules say about a registered agent in Colorado

Every LLC must name a registered agent with an in-state street address. The address has to be a physical address in Colorado, either a home or a usual place of business. P.O. boxes are not accepted.

Parties the state permits: A person 18 or older whose home or usual place of business is in Colorado (since July 1, 2025 the person has to hold a Colorado driver's license or ID or otherwise verify residency), or a business entity in good standing with a usual place of business in Colorado. The agent has to consent. Statute posted: C.R.S. § 7-90-701.

Colorado's repeating tolls

One stop repeats: the periodic report, $25 every year, last day of the entity's anniversary month. Arriving late adds $50.

Why Mainstay Filing leads the route

Mainstay Filing pulled ahead of Colorado Registered Agent.co on steps the service takes over, weighted 27%.

Fifty-state reach outweighed Colorado Registered Agent.co on our weights.

Questions along the way

Does every Colorado LLC have to carry a registered agent?

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

Who is allowed to serve as the registered agent on a Colorado route?

A person 18 or older whose home or usual place of business is in Colorado (since July 1, 2025 the person has to hold a Colorado driver's license or ID or otherwise verify residency), or a business entity in good standing with a usual place of business in Colorado. The agent has to consent.

What does registered agent service cost per year for Colorado?

Allow $99 to $149 each year.

What does the state toll an LLC every year?

$25 a year by our one-year measure, which is the periodic report ($25 every year).

Which registered agents are on this route?

Mainstay Filing ($149 a year), Colorado Registered Agent.co ($99 a year) and CO Registered Agent.org ($99 a year), beginning with our lead pick.

Which registered agent should I take?

Take Mainstay Filing first and Colorado Registered Agent.co and CO Registered Agent.org after it; what separates Mainstay Filing is steps the service takes over.

Keep traveling

Survey markers for this route

Survey marker
  1. Marker: Colorado Secretary of State is documented at sos.state.co.us, logged August 2026.
  2. Marker: Colorado Secretary of State is documented at sos.state.co.us, logged August 2026.
  3. Marker: Colorado yearly filing: Periodic report, official source is documented at coloradosos.gov, logged October 2026.
  4. Marker: Colorado report due date is documented at colorado.public.law, logged August 2026.
  5. Marker: Colo is documented at sos.state.co.us, logged August 2026.
  6. Marker: Colorado formation fee: Filing fee, official source is documented at coloradosos.gov, logged October 2026.
  7. Marker: Utah Division of Corporations and Commercial Code is documented at corporations.utah.gov, logged August 2026.
  8. Marker: Utah Division of Corporations and Commercial Code is documented at corporations.utah.gov, logged August 2026.
  9. Marker: Montana Secretary of State fee page and fee is documented at sosmt.gov, logged October 2026.
  10. Marker: Montana yearly filing: Annual report: fee, official source is documented at sosmt.gov, logged October 2026.
  11. Marker: Montana yearly filing: Annual report: fee, official source is documented at sosmt.gov, logged October 2026.
  12. Marker: Michigan Department of Licensing and Regulatory Affairs, Corporations is documented at michigan.gov, logged August 2026.
  13. Marker: Michigan Department of Licensing and Regulatory Affairs, Corporations is documented at michigan.gov, logged August 2026.
  14. Marker: Oklahoma Secretary of State, Business Filing Department is documented at sos.ok.gov, logged August 2026.
  15. Marker: Oklahoma Secretary of State, Business Filing Department is documented at sos.ok.gov, logged August 2026.
  16. Mainstay Filing listed this Colorado service page on November 12, 2026
  17. Colorado Registered Agent.co listed this pricing page on November 12, 2026
  18. CO Registered Agent.org listed this pricing page on November 12, 2026