LLC price index · Colorado
3 Best LLC Services in Colorado (2026): Price Index
Index basis: Rows follow our value index, led by three-year cost
Ledger summary
Colorado: llc price index
1. Mainstay Filing: best for upkeep you never touch
Index leaderBest value in Colorado is Mainstay Filing: a single $199 yearly line buys formation, registered agent and every periodic report.
Its three-year subtotal is $200 above Colorado Registered Agent.co's, and the paperwork it covers outweighs that in the index.
Colorado's $25 for the periodic report is passed along unchanged while the filing itself is covered.
Line includes
- State formation handled
- Registered agent for the full year
- Periodic report, prepared and filed
- The EIN application
- State fee at exact cost
Credits
- A flat $199 every year
- EIN application included at no charge
- No increase at renewal ($199)
Debits
- Colorado Registered Agent.co's renewal is $100 smaller
2. Colorado Registered Agent.co: best for the smallest three-year sum
Single-state planColorado Registered Agent.co fills line 2: $199 to form with the agent included for year one, $99 a year afterward.
You would prepare the periodic report yourself.
Line includes
- Formation filing, prepared and sent
- Agent service in year one
Credits
- $99 yearly from year two
- The first agent year is included
- $199 added to the state fee
Debits
- You prepare the periodic report
- EIN help is a separate $99
3. CO Registered Agent.org: best for another in-state filer
Single-state planCO Registered Agent.org fills line 3: $199 to form with the agent included for year one, $99 a year afterward.
You would prepare the periodic report yourself.
On price alone it is a tie with Colorado Registered Agent.co.
Line includes
- Formation filing, prepared and sent
- Agent service in year one
Credits
- $99 yearly from year two
- $199 added to the state fee
- The first agent year is included
Debits
- You prepare the periodic report
- EIN help is a separate $99
Subtotal by year
| Line | Provider | Total, year 1 | Total, year 2 | Total, year 3 | Total, year 5 | |
|---|---|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $398 | $597 | $995 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | Colorado Registered Agent.co | $199 | $298 | $397 | $595 | Visit Colorado Registered Agent.coPartner link. We may earn money if you buy. |
| 3 | CO Registered Agent.org | $199 | $298 | $397 | $595 | Visit CO Registered Agent.orgPartner link. We may earn money if you buy. |
Cost calculator
Official state charges
| Entry | Amount | Cited from |
|---|---|---|
| Formation filing charge | $50 | coloradosos.gov (read October 2026) per the state |
| Periodic report | $25 every year | coloradosos.gov (read October 2026) per the state |
| Late filing | $50 | coloradosos.gov (read October 2026) per the state |
| Paid to the state by year 3 | $100 | Total of the above |
What settled the order
The deciding column for Colorado was coverage per dollar (32% of the index), where Mainstay Filing led.
Colorado expects the periodic report every year, so a price that files it indexed above a lower price that does not.
EIN included, the crossover year is 2: Mainstay Filing passes Colorado Registered Agent.co.
Official Colorado LLC filing fee and requirements
What to file: the Articles of Organization. Where: the Colorado Secretary of State. How much: $50. Every LLC must name a registered agent with an in-state street address.
As published: coloradosos.gov (read October 2026) per the state
The no-service line
Skip the service and you pay Colorado $100 over three years while handling every form yourself. The services bill $397 to $597 on top for that work.
Common questions
How much does LLC formation service cost in Colorado?
$199 in year one among our lines, plus the $50 state fee.
What is the three-year subtotal for these services?
$397 to $597 across the lines, before state fees.
What fee does Colorado charge to file an LLC?
The fee is $50, and the filing is the Articles of Organization.
What does Colorado charge after the first year?
Periodic report: $25 per year, due last day of the entity's anniversary month.
Does any line include the EIN application?
Mainstay Filing at no extra charge, Colorado Registered Agent.co for $99 and CO Registered Agent.org for $99.
When does one line pass another in total cost?
Not within ten years; no line overtakes another.
Which LLC formation service indexes best in Colorado?
Top to bottom, the Colorado ledger reads Mainstay Filing, Colorado Registered Agent.co and CO Registered Agent.org.
Source lines
- Colorado Secretary of State. Source sos.state.co.us; confirmed August 2026.
- Colorado Secretary of State. Source sos.state.co.us; confirmed August 2026.
- Colorado yearly filing: Periodic report. Source coloradosos.gov; confirmed October 2026.
- Colorado report due date. Source colorado.public.law; confirmed August 2026.
- Colo. Source sos.state.co.us; confirmed August 2026.
- Colorado formation fee: Filing fee. Source coloradosos.gov; confirmed October 2026.
- Ledger input from the Mainstay Filing Colorado service page, November 13, 2026
- Ledger input from the Colorado Registered Agent.co pricing page, November 13, 2026
- Ledger input from the CO Registered Agent.org pricing page, November 13, 2026