The Colorado tally
Service prices only. State fees do not depend on which agent you name.
1. CO Registered Agent.org: best for one-state LLCs
Leading row
Year one $99, renewals $99
- First year
- $99
- Renewal
- $99/yr
- Three-year tally
- $297
Best value for Colorado is CO Registered Agent.org: three years total $297 for a company that stays put.
A three-year tally under Mainstay Filing's earns this row first place.
Included lines
- A local address on file
- Scans of papers in your account
Gains
- Flat $99/yr and no change at renewal
- A lower annual cost than row one
Minus column
- Other states need another company
- Expect to file the periodic report yourself
2
2. Mainstay Filing: best for the same entry in every state
All fifty states
Year one $149, renewals $149
- First year
- $149
- Renewal
- $149/yr
- Three-year tally
- $447
Mainstay Filing takes line 2 since its yearly line stays $149 no matter the state.
CO Registered Agent.org nets $150 lower across three years, enough to sort ahead.
Included lines
- An office address inside the state
- Three government mailings a year scanned free
- Covers LLCs, corporations, LPs, LLPs and nonprofits
Gains
- Covers each state you add
- The entry stays at $149 a year
Minus column
- $50 per year above the local line
- Nothing beyond the agent role
3
3. Colorado Registered Agent.co: best for another in-state address
In-state
Year one $99, renewals $99
- First year
- $99
- Renewal
- $99/yr
- Three-year tally
- $297
Colorado Registered Agent.co takes line 3 since three years total $297 for a company that stays put.
Its published prices equal CO Registered Agent.org's.
Included lines
- A local address on file
- Scans of papers in your account
Gains
- A lower annual cost than row one
- Flat $99/yr and no change at renewal
Minus column
- Other states need another company
- Expect to file the periodic report yourself
Running tally by year
Read November 13, 2026. Each column adds another renewal. The order holds through year ten.
Break-even calculator
Set the years and the calculator adds year one and the renewals for every row.
State fees, cited
We total the state side as filing plus two later reports plus any minimum tax; anything with no fixed price is described but not counted.
Reading the ranking
Three-year tally put CO Registered Agent.org in row one. That column carries 39% of the sort, and jobs ticked off, renewal step, break-even tally and price on the page make up the rest.
On the three-year column CO Registered Agent.org sits at $297, a $150 advantage over Mainstay Filing.
Colorado registered agent rules (official, Colorado Secretary of State)
Every LLC must name a registered agent with an in-state street address.
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. Rule: C.R.S. § 7-90-701.
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.
Source: see sos.state.co.us, entered October 2026 in the ledger
If you file it yourself
Serving as your own agent keeps that line at zero if you meet the address rule; services charge $99 to $149 a year.
Colorado price questions
What does a Colorado registered agent cost per year?
Budget $99 to $149 a year.
What do three years of agent service cost?
Three years of service total $297 to $447.
Must an LLC in Colorado name a registered agent?
Yes. Every LLC must name a registered agent with an in-state street address.
Can I be my own registered agent?
If you qualify, yes; the requirements section lists the rules.
What does the LLC pay the state each year?
$25 each year for the periodic report, due last day of the entity's anniversary month.
When does one service turn into the lower total?
Within ten years, never: the order of the totals does not change.
Which registered agent is the best value in Colorado?
The first line belongs to CO Registered Agent.org, the second to Mainstay Filing and the third to Colorado Registered Agent.co.
What each entry rests on
- Colorado Secretary of State (sos.state.co.us), tallied August 2026
- Colorado Secretary of State (sos.state.co.us), tallied August 2026
- Colorado yearly filing: Periodic report (coloradosos.gov), tallied October 2026
- Colorado report due date (colorado.public.law), tallied August 2026
- Colo (sos.state.co.us), tallied August 2026
- Colorado formation fee: Filing fee (coloradosos.gov), tallied October 2026
- Booked November 13, 2026 from the CO Registered Agent.org pricing page
- Booked November 13, 2026 from the Mainstay Filing Colorado service page
- Booked November 13, 2026 from the Colorado Registered Agent.co pricing page