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Foreign registration price index · Colorado

3 Best Foreign Registration Services in Colorado (2026): Price Index

The index for 2026 puts Mainstay Filing ($199), CO Registered Agent.org ($199) and Colorado Registered Agent.co ($199) at the top of the Colorado foreign registration services ledger, in that order. Registration costs $100 at the state, and the service lines add $397 to $497 across three years.
Entries by the LLC Price Index editorial team

Index basis: Index of five columns: three-year cost (38%), coverage per dollar (32%), renewal step, crossover year and price transparency. Basis explained

Quick tally

Charge to register$100coloradosos.gov (read October 2026) per the state
Opening prices$199Excludes what the state bills
Subtotal at year three$397 to $497Year one and two renewals
State fees through year 3$150Same on every line
Crossing pointDoes not happenStable for a decade

Colorado ledger, best value first

Each line shows year one, the price from year two and the three-year subtotal. Colorado's $100 fee is added to any line.
1

1. Mainstay Filing: best for LLCs still expanding

Best value on the ledger
First year$199
Years 2 and on$149/yr
Three-year sum$497
First year $199; later years $149

Mainstay Filing indexes highest here. The entries: the Colorado filing for $199 plus state fees, agent covered for year one.

Its three-year subtotal is $100 above CO Registered Agent.org's, and the paperwork it covers outweighs that in the index.

The agent bills $149 a year starting in year two, in any state.

Line includes

  • Foreign registration, prepared and sent
  • Registered agent free for the first year
  • The same price across the country

Credits

  • No agent charge the first year
  • $199 above the state fee
  • All fifty states covered

Debits

  • CO Registered Agent.org charges $50 less for the agent
2

2. CO Registered Agent.org: best for adding a single state

Colorado focus
First year$199
Years 2 and on$99/yr
Three-year sum$397
First year $199; later years $99

Next on the ledger: CO Registered Agent.org, with $199 beyond the state fee, then $99 a year.

Line includes

  • State registration handled
  • Agent service in year one

Credits

  • A $99 renewal
  • A service fee of $199
  • No agent charge in year one

Debits

  • The home state still needs a separate agent
3

3. Colorado Registered Agent.co: best for a single added state

Colorado focus
First year$199
Years 2 and on$99/yr
Three-year sum$397
First year $199; later years $99

Next on the ledger: Colorado Registered Agent.co, with $199 beyond the state fee, then $99 a year.

It matches CO Registered Agent.org to the dollar.

Line includes

  • State registration handled
  • Agent service in year one

Credits

  • A service fee of $199
  • No agent charge in year one
  • A $99 renewal

Debits

  • The home state still needs a separate agent

Subtotal by year

LineProviderTotal, year 1Total, year 2Total, year 3Total, year 5
1Mainstay Filing$199$348$497$795Visit Mainstay FilingPartner link. We may earn money if you buy.
2CO Registered Agent.org$199$298$397$595Visit CO Registered Agent.orgPartner link. We may earn money if you buy.
3Colorado Registered Agent.co$199$298$397$595Visit Colorado Registered Agent.coPartner link. We may earn money if you buy.
Prices as published on November 13, 2026: year one, then each renewal in turn. No crossing happens inside ten years.

Crossover check

Choose a number of years to see each line's service subtotal by then.
Over 3 years: Mainstay Filing $497, CO Registered Agent.org $397, Colorado Registered Agent.co $397. Lowest at that point: CO Registered Agent.org.

Colorado state fees (official)

EntryAmountCited from
Registering the LLC$100coloradosos.gov (read October 2026) per the state
Periodic report$25coloradosos.gov (read October 2026) per the state
Three-year state subtotal$150Filing + reports + any tax
State subtotal over three years = filing + the year-two and year-three reports + any minimum tax. Costs with no fixed amount stay out.

How the index came out

Mainstay Filing indexed above CO Registered Agent.org on coverage per dollar, a 32% column.

With the LLC in two states, coverage decided it.

Official Colorado foreign LLC registration fee and rules

Registering means filing the Statement of Foreign Entity Authority at the Colorado Secretary of State, Business Program and paying $100.

Skipping registration invites penalties reaching $5,000.

Official wording: coloradosos.gov (read October 2026) per the state

The no-service line

Filing on your own leaves only the state's fees, $150 across three years. The service lines add $397 to $497 for the paperwork.

Common questions

What does Colorado charge an out-of-state LLC to register?

$100 in state fees, plus service fees starting in the $199 range.

What is the three-year subtotal for these services?

$397 to $497 across the lines, before state fees.

Which document does the registering?

The registering document is Statement of Foreign Entity Authority, and the Colorado Secretary of State, Business Program is the office that takes it.

What recurring filing comes after registration?

Next comes the periodic report, billed at $25.

When does one line pass another in total cost?

Within ten years, never: the order of the subtotals stays the same.

Which foreign registration service indexes best in Colorado?

By our value index, the Colorado lines run Mainstay Filing, CO Registered Agent.org and Colorado Registered Agent.co. Mainstay Filing leads on coverage per dollar.

Also in the index

Source lines

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