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Registered agent guide · Colorado

Colorado Registered Agent Requirements (2026): State Fees on File and the 3 Best Agents

Mainstay Filing ($149 a year), Colorado Registered Agent.co ($99 a year) and CO Registered Agent.org ($99 a year) is our order for a registered agent in Colorado for 2026. Colorado makes a registered agent a condition of doing business as an LLC. Recurring state fees: $25 per year, 19th of 50.

Desk note by LLC Data Desk ·

Colorado, the numbers

19thof 50 on one year of state feesSorted smallest first (tie). See the whole table
Registered agent required
YesData: sos.state.co.us, pulled October 2026
Periodic report
$25 / yrDate set by the state: last day of the entity's anniversary month. Data: coloradosos.gov, pulled October 2026
Total owed to the state, 1 yr
$25Report for one year, plus any minimum tax

Colorado ranking

Order set by five weighted criteria (see method): three-year service fees 31%, filings covered 29%, then renewal, fit with Colorado rules and fee transparency.

1. Mainstay Filing: best for one provider nationwide

Top ranked$149 annual (renewal $149)

#1 is Mainstay Filing: a single $149 agent plan that moves with the company into new states.

Expect to pay $150 more than Colorado Registered Agent.co over three years, with fewer filings left to you.

What the fee covers

  • In-state street address on file
  • No fee for same-business-day scanning of papers served on the company
  • Government mail: first three pieces each year scanned, no fee
  • Also open to nonprofits, corporations, LPs and LLPs

Pros

  • Valid in every state
  • $149 annual

Cons

  • $50 a year above Colorado Registered Agent.co
  • Agent-only plan; reports stay with you
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Colorado Registered Agent.co: best for businesses based solely in Colorado

Local pick$99 annual (renewal $99)

We rank Colorado Registered Agent.co second. Reason: local agent for $99 a year; street address goes on the public record.

What the fee covers

  • Colorado street address as registered office
  • Online scans of served documents

Pros

  • Cheaper by the year than the national pick
  • $99 a year, unchanged at renewal

Cons

  • Colorado alone
  • Periodic report stays with you, the owner
Visit Colorado Registered Agent.coPartner link. We may earn money if you buy.

3. CO Registered Agent.org: best for another Colorado option

Local pick$99 annual (renewal $99)

We rank CO Registered Agent.org third. Reason: local agent for $99 a year; street address goes on the public record.

Same prices as Colorado Registered Agent.co.

What the fee covers

  • Colorado street address as registered office
  • Online scans of served documents

Pros

  • Cheaper by the year than the national pick
  • $99 a year, unchanged at renewal

Cons

  • Colorado alone
  • Periodic report stays with you, the owner
Visit CO Registered Agent.orgPartner link. We may earn money if you buy.

The 3 picks compared

#ServiceAnnual feeRenewal feeService fees, 3 yrs
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.
Fees pulled from each company's own pages on November 12, 2026. State fees stay put.

Agent and state fees by year

Agent fees plus the state's recurring charges (the periodic report from year two). Formation fees are left out.
Total, 3 years, Mainstay Filing: $497. State $50; service $447.

Colorado next to nearby ranks

RkStateYearly state fees
17thUtah$18
18thMontana$20
19thColorado$25
19thMichigan$25
19thOklahoma$25
All fifty rows: Registered agent rules by state.

Colorado: the registered agent requirement

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.

Who the state accepts: 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. Basis: C.R.S. § 7-90-701.

Colorado's repeating fees

$25 every year for the periodic report, last day of the entity's anniversary month. The state's letters go to the address of your registered agent.

Reasoning

Scope of the price (29%) is where Mainstay Filing beat Colorado Registered Agent.co in Colorado.

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

Quick answers

A registered agent required for Colorado LLCs?

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

Who can be the registered agent for Colorado LLCs?

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.

Yearly cost of registered agent service for Colorado?

$99 to $149 a year, per the ranking.

Yearly state fees on an LLC?

$25 a year on our yearly measure: the periodic report ($25 every year).

Which registered agents are ranked here?

Mainstay Filing ($149 a year), Colorado Registered Agent.co ($99 a year) and CO Registered Agent.org ($99 a year), in the desk's rank order.

Which registered agent do you pick?

Pick Mainstay Filing: $149 yearly here and everywhere else; renewal $149. Next: Colorado Registered Agent.co and CO Registered Agent.org.

Other files

Basis for this page

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