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Foreign registration quote boards · Colorado

3 Best Foreign Registration Services in Colorado (2026): Live Quotes

For Colorado in 2026, the ranked foreign registration services on the board are Mainstay Filing ($199), Colorado Registered Agent.co ($199) and CO Registered Agent.org ($199). Service quotes add $397 to $497 over three years to the $100 that Colorado collects.

Readings by the LLC Cost Lab editorial team

Ranked on: Measured three-year cost (36%), filings handled per dollar (30%), renewal drift, break-even year and price clarity. Lab method

Colorado readings

Registration fee on file$100coloradosos.gov (logged October 2026) for the record
First-year quotes$199Without the state fee
Year-three readings$397 to $497Year one with two renewals
State side through year 3$150Identical on every quote
First crossingNeverOrder unchanged through year 10

Colorado board, ranked

Ranked by the lab method. No quote includes the $100 state fee.

1. Mainstay Filing: best for adding states over time

Leads the board

$199 on top of Colorado's $100; renewal $149

Opening quote
$199
Quote from year 2
$149/yr
Reading at year 3
$497

Mainstay Filing leads the board because a $199 service charge in any state, first agent year included.

Colorado Registered Agent.co saves $100 over three years and leaves more filings with you.

Agent quote from year two: $149 a year, in any state.

Quote includes

  • Registration completed for you
  • Registered agent costs nothing the first year
  • One fee wherever you register

Reads well

  • $199 plus the state's fee
  • Agent free for the first year
  • Helpful if another state follows

Reads poorly

  • A higher agent renewal ($149)
Visit Mainstay FilingPartner link. We may earn money if you buy.

2. Colorado Registered Agent.co: best for adding exactly one state

Local quote

$199 on top of Colorado's $100; renewal $99

Opening quote
$199
Quote from year 2
$99/yr
Reading at year 3
$397

Colorado Registered Agent.co holds spot 2 because registration with Colorado through this service costs $199, with a $99 agent renewal afterward.

Quote includes

  • Registration paperwork, filed
  • Agent service for the first year

Reads well

  • First agent year included
  • A modest $99 renewal
  • $199 for the registration

Reads poorly

  • A second provider is needed at home
Visit Colorado Registered Agent.coPartner link. We may earn money if you buy.

3. CO Registered Agent.org: best for one added registration

Local quote

$199 on top of Colorado's $100; renewal $99

Opening quote
$199
Quote from year 2
$99/yr
Reading at year 3
$397

CO Registered Agent.org holds spot 3 because registration with Colorado through this service costs $199, with a $99 agent renewal afterward.

Its quotes match Colorado Registered Agent.co's exactly.

Quote includes

  • Registration paperwork, filed
  • Agent service for the first year

Reads well

  • $199 for the registration
  • First agent year included
  • A modest $99 renewal

Reads poorly

  • A second provider is needed at home
Visit CO Registered Agent.orgPartner link. We may earn money if you buy.

What each quote adds up to

RankQuote fromReading, year 1Reading, year 2Reading, year 3Reading, year 5
1Mainstay Filing$199$348$497$795Visit Mainstay FilingPartner link. We may earn money if you buy.
2Colorado Registered Agent.co$199$298$397$595Visit Colorado Registered Agent.coPartner link. We may earn money if you buy.
3CO Registered Agent.org$199$298$397$595Visit CO Registered Agent.orgPartner link. We may earn money if you buy.
Company prices from November 13, 2026, accumulated by year. No break-even appears inside ten years.

Break-even test

The calculator adds year one and renewals for each quote once you set the years.
At 3 years, the readings are Mainstay Filing $497, Colorado Registered Agent.co $397, CO Registered Agent.org $397. Quote with the lowest total: Colorado Registered Agent.co.

Official state charges

ChargeValueReference
Cost to register$100coloradosos.gov (logged October 2026) for the record
Periodic report$25coloradosos.gov (logged October 2026) for the record
What the state collects by year 3$150Our sum
Every state row cites its official source. The three-year total combines the filing, the second-year and third-year reports and any minimum tax.

How the ranking came out

Mainstay Filing wins filings handled per dollar, worth 30%, with Colorado Registered Agent.co right behind.

Registering here involves at least two states, and one provider for both beat Colorado Registered Agent.co.

Colorado foreign LLC registration fee and rules, quoted from the source

Registration: the Statement of Foreign Entity Authority, the Colorado Secretary of State, Business Program, $100.

The cost of staying unregistered: fines up to $5,000.

As written: coloradosos.gov (logged October 2026) for the record

The no-service reading

Going without a service, you still owe Colorado $150 across three years and you handle every form. The services bill $397 to $497 for that work.

Questions

What is the price of registering a foreign LLC with Colorado?

$100 in state fees, plus $199 if you pay a service for year one.

What do the quotes add up to over three years?

$397 to $497 across the quotes, not counting state fees.

Which form carries out the registration?

The filing is Statement of Foreign Entity Authority, lodged at the Colorado Secretary of State, Business Program.

Which recurring filing follows registration?

The periodic report, billed at $25.

When does one quote pass another in total cost?

The quotes do not cross in the first ten years.

Which foreign registration service ranks first for Colorado?

Mainstay Filing, which wins on filings handled per dollar. Then Colorado Registered Agent.co and CO Registered Agent.org.

More boards

Logged references

  1. August 2026 log entry for Colorado Secretary of State, from sos.state.co.us.
  2. August 2026 log entry for Colorado Secretary of State, from sos.state.co.us.
  3. October 2026 log entry for Colorado yearly filing: Periodic report, from coloradosos.gov.
  4. August 2026 log entry for Colorado report due date, from colorado.public.law.
  5. August 2026 log entry for Colo, from sos.state.co.us.
  6. October 2026 log entry for Colorado formation fee: Filing fee, from coloradosos.gov.
  7. October 2026 log entry for Colorado Secretary of State, foreign, from coloradosos.gov.
  8. October 2026 log entry for Sample Statement of Foreign Entity, from coloradosos.gov.
  9. October 2026 log entry for Colorado Revised Statutes 2024, Title, from content.leg.colorado.gov.
  10. October 2026 log entry for Registered agent requirements effective July, from coloradosos.gov.
  11. November 13, 2026 sample from the Mainstay Filing Colorado service page
  12. November 13, 2026 sample from the Colorado Registered Agent.co pricing page
  13. November 13, 2026 sample from the CO Registered Agent.org pricing page