The explanation · Colorado
3 Best Foreign Registration Services in Colorado (2026) and Why
The essentials
- Registration fee at the state
- $100
- Good standing paper from home?
- Not needed
- Ongoing requirement
- $25, periodic report
- Who we recommend
- Mainstay Filing, CO Registered Agent.org then Colorado Registered Agent.co
Who we recommend in Colorado
The order comes from our method: three-year cost first, then how much work the price covers.1. Mainstay Filing: best for an LLC with more states ahead
$199 plus the state fee, then $149 yearly
The reason Mainstay Filing leads here is that you pay $199 plus Colorado's fee, with the registered agent free in year one and $149 a year after that.
Over three years this is $100 more than CO Registered Agent.org, a difference that reach across states justifies.
Year one has no registered agent charge. From year two it is $149 a year.
Includes
- Application prepared and filed
- Registered agent, no charge in the first year
- One price across the country
Points in its favor
- Identical fee in every state
- Service fee of $199
- The first year of agent service is included
Where it falls short
- A higher agent renewal of $149
2. CO Registered Agent.org: best for a budget registration
$199 plus the state fee, then $99 yearly
CO Registered Agent.org ranks second. In short, it charges $199 plus the state fee, with the agent included in year one, then $99 a year.
Includes
- Registration filed for you
- A first year of agent service
Points in its favor
- A service fee of $199
- First-year agent in the price
- $99 annually after that
Where it falls short
- Nothing outside this state
3. Colorado Registered Agent.co: best for another in-state filer
$199 plus the state fee, then $99 yearly
Colorado Registered Agent.co ranks third. In short, it charges $199 plus the state fee, with the agent included in year one, then $99 a year.
Its published prices are identical to CO Registered Agent.org, so choosing between them is a close call.
Includes
- Registration filed for you
- A first year of agent service
Points in its favor
- First-year agent in the price
- A service fee of $199
- $99 annually after that
Where it falls short
- Nothing outside this state
Comparison table
| # | Company | First-year price | Year two on | Total, 3 years | Included in the price | |
|---|---|---|---|---|---|---|
| 1 | Mainstay Filing | $199 | $149/yr | $497 | application prepared and filed; registered agent, no charge in the first year; one price across the country | Check Mainstay FilingPartner link. We may earn money if you buy. |
| 2 | CO Registered Agent.org | $199 | $99/yr | $397 | registration filed for you; A first year of agent service | Check CO Registered Agent.orgPartner link. We may earn money if you buy. |
| 3 | Colorado Registered Agent.co | $199 | $99/yr | $397 | registration filed for you; A first year of agent service | Check Colorado Registered Agent.coPartner link. We may earn money if you buy. |
Explanations
Does my LLC from another state have to register?
Before any business in Colorado, an out-of-state LLC has to register.
Not registering can lead to fines capped at $5,000.
coloradosos.gov · verified October 2026
What will registering set me back?
$100 goes to the state, plus $199 if a service handles it.
State fees over three years, registration included: $150. coloradosos.gov · verified October 2026
What do I file, and where does it go?
One document is needed: the Statement of Foreign Entity Authority, filed with the Colorado Secretary of State, Business Program.
The state does not require a home-state certificate.
Are there ongoing fees?
Periodic report: $25.
Filings come due once a year, by the end of the second month after your report month.
What put number one on top?
Mainstay Filing scores best on how much work the price handles, worth 28% of our ranking.
What three years cost carries 34% and how much work the price handles carries 28%. Three smaller criteria decide close calls.
One provider for two states is why it comes first.
Colorado: rules and fees at a glance
| Item | Detail | Where it comes from |
|---|---|---|
| Fee to register | $100 | coloradosos.gov · verified October 2026 |
| Proof of good standing | Not needed | coloradosos.gov · verified October 2026 |
| Periodic report | $25 | coloradosos.gov · verified October 2026 |
| Three-year state total | $150 | Our total of the rows above |
More explanations
What about the state where I formed the LLC?
Yes. Your home state still requires its own agent, and Mainstay Filing can cover both states under one account.
What is the three-year price of each?
Over three years: Mainstay Filing ($497), CO Registered Agent.org ($397), Colorado Registered Agent.co ($397) (service fees only).
What are the figures based on?
Colorado's official documents supply the state fees, and the companies' price pages supply the service fees.
Could I skip the service?
No, you may file on your own if you meet the rules on this page.
Do these services handle the filing?
All of our picks prepare and submit it, at the same state fee.
What is the best foreign registration service for Colorado?
We would start with Mainstay Filing, then CO Registered Agent.org and Colorado Registered Agent.co.
References
- August 2026 confirmation of Colorado Secretary of State at sos.state.co.us
- August 2026 confirmation of Colorado Secretary of State at sos.state.co.us
- October 2026 confirmation of Colorado yearly filing: Periodic report at coloradosos.gov
- August 2026 confirmation of Colorado report due date at colorado.public.law
- August 2026 confirmation of Colo at sos.state.co.us
- October 2026 confirmation of Colorado formation fee: Filing fee at coloradosos.gov
- October 2026 confirmation of Colorado Secretary of State, foreign at coloradosos.gov
- October 2026 confirmation of Sample Statement of Foreign Entity at coloradosos.gov
- October 2026 confirmation of Colorado Revised Statutes 2024, Title at content.leg.colorado.gov
- October 2026 confirmation of Registered agent requirements effective July at coloradosos.gov
- Colorado service page from Mainstay Filing, prices as of November 13, 2026
- pricing page from CO Registered Agent.org, prices as of November 13, 2026
- pricing page from Colorado Registered Agent.co, prices as of November 13, 2026