How to Get a Registered Agent in Colorado (2026): 6 Steps and the 3 Best Agents
Here is the 2026 answer for a registered agent in Colorado: Mainstay Filing ($149 a year), Colorado Registered Agent.co ($99 a year) and CO Registered Agent.org ($99 a year), ranked in that order. The 6 steps after the picks start with the legal rule and end with keeping the agent current.
Published prices, read November 12, 2026. Colorado bills the same either way.
Appointing a Colorado registered agent, step by step
Step1
Step 1: Read Colorado's agent rule
Every LLC must name a registered agent with an in-state street address.
Official source: As listed on sos.state.co.us in October 2026
Step2
Step 2: Find out who can do the job
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. Set by C.R.S. § 7-90-701.
Step3
Step 3: Meet the address rule
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.
TipA service address keeps your home address private.
Step4
Step 4: Decide who takes the role
Owners who meet the rules may serve themselves. A professional agent from our picks costs $99 to $149 a year.
Step5
Step 5: Put the agent on record
Name the agent in the Articles of Organization; for an existing LLC, the change is filed with the Colorado Secretary of State.
Official source: As listed on coloradosos.gov in October 2026
Step6
Step 6: Keep the agent current
Keep the periodic report on time ($25, last day of the entity's anniversary month), and the agent record stays accurate.
Official source: As listed on coloradosos.gov in October 2026
What the agent costs in Colorado
Cost item
Paid to
Cost
Hiring an agent
Your service
$99 to $149 a year
From year two
Your service
$99 to $149 a year
Periodic report
State office
$25 every year
State amounts come from Colorado's official schedules (see References). The three-year state line adds the filing, the reports due in years two and three and any yearly minimum tax.
Why Mainstay Filing comes first
The grade turned on lesson steps handled (35%), where Mainstay Filing came out ahead of Colorado Registered Agent.co.
Fifty-state coverage outscored Colorado Registered Agent.co on our rubric.
Quick answers
Do I need a registered agent in Colorado?
Yes. Every LLC must name a registered agent with an in-state street address.
Can I be my own registered agent?
You can, as long as you qualify under steps 2 and 3.
Can I change my registered agent later?
Yes. An existing LLC files the change with the Colorado Secretary of State, as step 5 explains.
What does a registered agent cost in Colorado?
$99 to $149 a year among our picks.
What does the LLC pay the state each year?
The periodic report, $25 every year.
Which registered agent would you choose?
Mainstay Filing, Colorado Registered Agent.co and CO Registered Agent.org, ranked in that order.