Registered agent price index · Colorado
3 Best Registered Agents in Colorado (2026): Price Index
Index basis: Rows follow our value index, led by three-year cost
Figures at a glance
The indexed ledger
1. Mainstay Filing: best for one agent account for every state
Highest valueLine one is Mainstay Filing: $149 a year, renewing at $149, with a single account for every state.
CO Registered Agent.org saves $150 across three years and leaves more filings with you.
Line includes
- A physical address on public record
- Three government mailings a year, scanned at no cost
- Serves nonprofits, corporations, LPs and LLPs along with LLCs
Credits
- Reaches all fifty states
- Price $149, renewal $149
Debits
- $50 more per year than the local line
- Does not file the recurring report
2. CO Registered Agent.org: best for owners who count every dollar
Local providerCO Registered Agent.org indexes second. The entries: a single-state agent priced at $99 a year.
Line includes
- A street address inside the state
- Service of process, scanned and posted
Credits
- Cheaper annually than Mainstay Filing
- $99 a year, unchanged at renewal
Debits
- Nothing outside the state
- The price skips the periodic report
3. Colorado Registered Agent.co: best for one more in-state address
Local providerColorado Registered Agent.co indexes third. The entries: a single-state agent priced at $99 a year.
Its figures are identical to CO Registered Agent.org's.
Line includes
- A street address inside the state
- Service of process, scanned and posted
Credits
- $99 a year, unchanged at renewal
- Cheaper annually than Mainstay Filing
Debits
- Nothing outside the state
- The price skips the periodic report
What each line costs, year by year
| Line | Provider | Total, year 1 | Total, year 2 | Total, year 3 | Total, year 5 | |
|---|---|---|---|---|---|---|
| 1 | Mainstay Filing | $149 | $298 | $447 | $745 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | CO Registered Agent.org | $99 | $198 | $297 | $495 | Visit CO Registered Agent.orgPartner link. We may earn money if you buy. |
| 3 | Colorado Registered Agent.co | $99 | $198 | $297 | $495 | Visit Colorado Registered Agent.coPartner link. We may earn money if you buy. |
Cost calculator
State fees, with citations
| Entry | Amount | Cited from |
|---|---|---|
| LLC formation fee | $50 | coloradosos.gov (read October 2026) per the state |
| Periodic report | $25 every year | coloradosos.gov (read October 2026) per the state |
| Late fee | $50 | coloradosos.gov (read October 2026) per the state |
| Paid to the state by year 3 | $100 | Filing + reports + any tax |
The Colorado index, explained
Weight 32%: coverage per dollar. That column separated the top two lines.
Coverage put it above CO Registered Agent.org.
Official Colorado registered agent requirements (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. See 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.
Citation: sos.state.co.us (read October 2026) per the state
The state-fees-only line
A qualifying owner can name themselves and pay no agent fee; the state's own charges stay the same. The service lines above bill $99 to $149 a year for a Colorado address and someone to accept legal papers.
Quick answers
How much does a Colorado registered agent charge each year?
Expect $99 to $149 a year.
What do three years of agent service cost?
Service subtotals run $297 to $447 over three years.
Does Colorado require a registered agent for every LLC?
Yes. Every LLC must name a registered agent with an in-state street address.
May I serve as my own registered agent?
If you qualify, yes; the requirements section lists the rules.
What does the state collect from the LLC every year?
$25 each year for the periodic report, payable last day of the entity's anniversary month.
When does one line pass another in total cost?
Not within ten years; no line overtakes another.
Which registered agent indexes best in Colorado?
Mainstay Filing indexes first. CO Registered Agent.org and Colorado Registered Agent.co follow.
Source lines
- Cited under Colorado Secretary of State: sos.state.co.us (August 2026).
- Cited under Colorado Secretary of State: sos.state.co.us (August 2026).
- Cited under Colorado yearly filing: Periodic report: coloradosos.gov (October 2026).
- Cited under Colorado report due date: colorado.public.law (August 2026).
- Cited under Colo: sos.state.co.us (August 2026).
- Cited under Colorado formation fee: Filing fee: coloradosos.gov (October 2026).
- Mainstay Filing Colorado service page (read November 13, 2026)
- CO Registered Agent.org pricing page (read November 13, 2026)
- Colorado Registered Agent.co pricing page (read November 13, 2026)