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Formation Rated

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

Entry · Colorado

Colorado Registered Agent.co Review (2026)

From the Formation Rated editorial team
Line one for Colorado Registered Agent.co: $99 a year for Colorado registered agent service, with the same $99 at renewal. The plan includes an in-state street address for the registered office and online scans of papers served on the company. Line two: forming a Colorado LLC costs $199 plus the state fee, first year of agent service included. Line three: foreign registration in Colorado, $199 plus the state fee. Rating note: it suits a Colorado-only company that wants a fixed agent amount and files its own periodic report.
Rating note

Colorado Registered Agent.co: rated for a Colorado-only companies

$99 yearly

Our score9.1out of 10

A bare-bones Colorado agent: flat amount, fixed renewal.

What you get

  • An in-state address on the public record
  • Online scans of whatever is served on the company

Pros

  • $99 a year, level on renewal
  • A lower yearly line than Mainstay Filing's agent
  • Also sells LLC formation and foreign registration
  • First agent year included when it forms your LLC

Trade-offs

  • Leaves the periodic report line to you
  • EIN application is a separate $99 line
  • Colorado only; other states need their own agent
Visit Colorado Registered Agent.coPartner link. We may earn money if you buy.

Line items on the $99 plan

$99 a year makes Colorado Registered Agent.co the Colorado registered agent. The company receives an in-state street address as its registered office, and papers served there are scanned and posted to your account. Renewal carries over at $99.

Forming a Colorado LLC: the Colorado Registered Agent.co amounts

Formation through Colorado Registered Agent.co is $199, with Colorado's filing fee on a separate line. Year one of registered agent service is included; the agent line after that is $99 a year. An EIN application adds $99, though the IRS itself issues EINs free.

Colorado then expects the periodic report every year, due last day of the entity's anniversary month, at $25; Colorado Registered Agent.co leaves that line to you.

Foreign registration in Colorado: the Colorado Registered Agent.co amounts

Registering an outside company in Colorado through Colorado Registered Agent.co is $199, plus the state's $100. Year one of registered agent service is included.

Colorado Registered Agent.co against Mainstay Filing

Agent service only: $297 over three years at Colorado Registered Agent.co, $447 at Mainstay Filing, a gap of $150. Mainstay Filing sells a single agent plan that applies in all fifty states and scans the first three government mailings a year free. Mainstay Filing: $199 a year for formation plus the periodic report filing. Colorado Registered Agent.co: $397 over three years for formation and the agent, report filing excluded. CO Registered Agent.org is the other Colorado agent on the books; it charges the same $99 a year, and the two rate closely.

Colorado Registered Agent.co: your questions

What are Colorado Registered Agent.co's amounts?

$99 a year for registered agent service, and the same on renewal. Formation is $199 plus the Colorado filing fee.

Does Colorado Registered Agent.co file my yearly report?

No. The Colorado periodic report is outside its published amounts, so it is your filing.

Does Colorado Registered Agent.co rate well as a registered agent for a Colorado LLC?

Yes, if the company is staying in Colorado and wants a level agent amount. Its average score across our Colorado pages is 9.1.

What does Colorado Registered Agent.co include?

The Colorado registered office address, and online scans of papers served on the company.

Does Colorado Registered Agent.co register outside companies in Colorado?

Yes, at $199 plus Colorado's fee, with a year of agent service included.

Source lines

  1. Colorado Secretary of State (ledger date August 2026)
  2. Colorado Secretary of State (ledger date August 2026)
  3. Colorado yearly filing: Periodic report, official source (ledger date October 2026)
  4. Colorado report due date (ledger date August 2026)
  5. Colo. Rev. Stat. § 7-80-203 (ledger date August 2026)
  6. Colorado formation fee: Filing fee, official source (ledger date October 2026)
  7. Colorado Secretary of State, foreign entity FAQ (ledger date October 2026)
  8. Sample Statement of Foreign Entity Authority (ledger date October 2026)
  9. Colorado Revised Statutes 2024, Title 7 (ledger date October 2026)
  10. Registered agent requirements effective July 1, 2025 (ledger date October 2026)
  11. Colorado Registered Agent.co, home, pricing and service pages: amounts read November 12, 2026
  12. Mainstay Filing, Colorado service pages: amounts read November 12, 2026