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What foreign registration costs by state / Colorado

3 Best Foreign Registration Services in Colorado (2026): What You Pay

Mainstay Filing ($199), Colorado Registered Agent.co ($199) and CO Registered Agent.org ($199) give you the best value among Colorado foreign registration services for 2026, in that order. Count on $100 for Colorado, plus $397 to $497 in service fees over three years.
Written by the Price Your LLC editorial team

↓ Ranked for you by: What you spend over three years counts 38%, and how much work the price takes off you counts 31%. Renewal change, break-even and price visibility make up the rest. How we rank

Colorado at a glance

Fee you pay at registration $100 coloradosos.gov (we looked on October 2026, so you can too)
What year one costs you $199 Before government fees
Your three-year spend $397 to $497 Year one plus two renewals
State fees by year three $150 Not part of the ranking
Prices swap in Never Order holds for ten years

Colorado: your options, best value first

Every price is copied from the company's own pricing page. You pay the $100 state fee separately.

1
Best value for you

1. Mainstay Filing: best for one fee wherever you register

$199 for registration, $149 for the agent after that
You pay in year 1 $199
You pay after year 1 $149/yr
You pay over 3 years $497

Mainstay Filing ranks first. A $199 service fee that does not change by state, with first-year agent service included.

Three years cost you $100 more than Colorado Registered Agent.co, but the extra work it covers counts for more in the ranking.

You pay no agent charge in year one; $149 a year follows.

Your price covers

  • The foreign registration filing
  • Registered agent costs you nothing in year one
  • A price that holds across states

What you get

  • First-year agent service included
  • $199 above the state fee
  • The fee does not change by state

What to watch

  • Colorado Registered Agent.co bills $50 less for the agent
2
In-state company

2. Colorado Registered Agent.co: best for a low registration bill

$199 for registration, $99 for the agent after that
You pay in year 1 $199
You pay after year 1 $99/yr
You pay over 3 years $397

Colorado Registered Agent.co takes spot 2 because $199 past the state fee, then $99 a year.

Your price covers

  • Registration handled for you
  • Agent service for your first year

What you get

  • $199 plus the state fee
  • Then $99 a year
  • First agent year included

What to watch

  • Limited to one state
3
In-state company

3. CO Registered Agent.org: best for a modest agent renewal

$199 for registration, $99 for the agent after that
You pay in year 1 $199
You pay after year 1 $99/yr
You pay over 3 years $397

CO Registered Agent.org takes spot 3 because $199 past the state fee, then $99 a year.

Year-one and renewal prices both equal Colorado Registered Agent.co's.

Your price covers

  • Registration handled for you
  • Agent service for your first year

What you get

  • Then $99 a year
  • $199 plus the state fee
  • First agent year included

What to watch

  • Limited to one state

What each service adds up to

Pick Service You pay in year 1 You pay by year 2 You pay by year 3 You pay by year 5
1 Mainstay Filing $199 $348 $497 $795 Price out Mainstay Filing Partner link. We may earn money if you buy.
2 Colorado Registered Agent.co $199 $298 $397 $595 Price out Colorado Registered Agent.co Partner link. We may earn money if you buy.
3 CO Registered Agent.org $199 $298 $397 $595 Price out CO Registered Agent.org Partner link. We may earn money if you buy.

Looked at November 13, 2026. Every column adds another renewal. No service overtakes another within ten years.

Break-even check

Not sure how long you will keep the company? Try a few timelines below.

At 3 years, your totals are Mainstay Filing $497, Colorado Registered Agent.co $397, CO Registered Agent.org $397. Least you would pay: Colorado Registered Agent.co.

State fees with sources

What you pay for Amount Source
Filing to register your foreign LLC $100 coloradosos.gov (we looked on October 2026, so you can too)
Periodic report $25 coloradosos.gov (we looked on October 2026, so you can too)
State side, 3 years $150 Added up from the lines above

Only amounts the state fixes go into the total: the filing, the next two reports and any minimum tax. Costs the state leaves unpriced are explained instead.

Why this order for Colorado

Upkeep the price covers put Mainstay Filing first. That factor is 31% of the ranking, and your three-year spend, year-two surprise, where the bills cross and price you can see make up the remainder.

You are dealing with at least two states when you register here, and one provider for both beat Colorado Registered Agent.co.

What Colorado charges you to register a foreign LLC and what it requires

Working in Colorado with an LLC from another state means registering with the Colorado Secretary of State, Business Program, using the Statement of Foreign Entity Authority and $100.

An unregistered LLC can face fines up to $5,000.

Straight from the source: coloradosos.gov (we looked on October 2026, so you can too)

If you skip the service

Doing it yourself costs $150 paid to the state across three years. A service at $397 to $497 is what you pay to skip the forms.

Quick answers

How much will it cost me to register my LLC in Colorado?

$100 in state fees, while our picks add $199.

What will these services cost me over three years?

Anywhere from $397 to $497 for three years of service.

Which form do I file to register?

You file Statement of Foreign Entity Authority with the Colorado Secretary of State, Business Program.

What do I file after I register?

You file the periodic report next, and it costs $25.

When does one service end up costing more than another?

They keep one order for ten years.

Which foreign registration service is the best value for me in Colorado?

Mainstay Filing, which wins on upkeep the price covers. Colorado Registered Agent.co and CO Registered Agent.org follow.

Related pages

What foreign registration costs by state for all 50 states Best foreign registration services for anyone How we rank your options

Where we looked

  1. You can verify Colorado Secretary of State at sos.state.co.us, which we looked at in August 2026.
  2. You can verify Colorado Secretary of State at sos.state.co.us, which we looked at in August 2026.
  3. You can verify Colorado yearly filing: Periodic report at coloradosos.gov, which we looked at in October 2026.
  4. You can verify Colorado report due date at colorado.public.law, which we looked at in August 2026.
  5. You can verify Colo at sos.state.co.us, which we looked at in August 2026.
  6. You can verify Colorado formation fee: Filing fee at coloradosos.gov, which we looked at in October 2026.
  7. You can verify Colorado Secretary of State, foreign at coloradosos.gov, which we looked at in October 2026.
  8. You can verify Sample Statement of Foreign Entity at coloradosos.gov, which we looked at in October 2026.
  9. You can verify Colorado Revised Statutes 2024, Title at content.leg.colorado.gov, which we looked at in October 2026.
  10. You can verify Registered agent requirements effective July at coloradosos.gov, which we looked at in October 2026.
  11. Mainstay Filing Colorado service page, as we saw it on November 13, 2026
  12. Colorado Registered Agent.co pricing page, as we saw it on November 13, 2026
  13. CO Registered Agent.org pricing page, as we saw it on November 13, 2026