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Foreign registration worksheets · Connecticut

3 Best Foreign Registration Services in Connecticut (2026): Worked Prices

The 2026 math for Connecticut foreign registration services gives CT Registered Agent.org ($199), Mainstay Filing ($199) and Connecticut Registered Agent.co ($199), ranked best value first. Do the sum: $397 to $497 in service fees by year three, plus $120 to the state for registering.
Worked by the Formation Math editorial team

↓ Sorted by: Cost first (42%), items covered second (28%), three smaller checks after. See the working

Results box

Foreign filing charge $120 business.ct.gov (checked October 2026) as the source
One-year range $199 Provider charges only
Three-year spread $397 to $497 Opening price and two renewals
Three-year state total $280 Left out of the score
Break-even year No crossing No change in order

Connecticut rows with the arithmetic

Prices are copied from each company's own pricing. The $120 state fee is added separately.

1
Wins on value

1. CT Registered Agent.org: best for one more state and nothing else

$199 on top of the state's $120; renewals at $99
Year-1 price $199
Price after year 1 $99/yr
Sum of 3 years $397

By the numbers, CT Registered Agent.org is best value in Connecticut: $199 beyond the state fee, year-one agent included, then $99 a year.

A lower three-year total than Mainstay Filing puts it first, because cost is the heaviest term.

The price buys

  • Filing delivered to the state
  • Year-one agent service

Adds up

  • No agent charge for year one
  • $99 yearly from year two
  • $199 for the registration

Does not add up

  • A second provider is needed at home
2
The all-in row

2. Mainstay Filing: best for companies still growing

$199 on top of the state's $120; renewals at $149
Year-1 price $199
Price after year 1 $149/yr
Sum of 3 years $497

Row 2 belongs to Mainstay Filing because a $199 service fee in any state, with year-one agent service included.

Three years cost $100 more here than at CT Registered Agent.org, and cost carries 42% of the score.

When the free year runs out, the agent bills $149 yearly.

The price buys

  • The foreign registration filing
  • Registered agent with no charge in year one
  • A price that does not change by state

Adds up

  • $199 for the registration
  • First-year agent service included
  • One price in any state

Does not add up

  • $50 more each year for the agent
3
In-state provider

3. Connecticut Registered Agent.co: best for a second in-state filer

$199 on top of the state's $120; renewals at $99
Year-1 price $199
Price after year 1 $99/yr
Sum of 3 years $397

Connecticut Registered Agent.co fills row 3: $199 beyond the state fee, year-one agent included, then $99 a year.

Compare the two and the figures match: CT Registered Agent.org charges the same.

The price buys

  • Filing delivered to the state
  • Year-one agent service

Adds up

  • $99 yearly from year two
  • $199 for the registration
  • No agent charge for year one

Does not add up

  • A second provider is needed at home

Running sum by year

No. Provider Year 1 total Total at year 2 Total at year 3 Total at year 5
1 CT Registered Agent.org $199 $298 $397 $595 Visit CT Registered Agent.org Partner link. We may earn money if you buy.
2 Mainstay Filing $199 $348 $497 $795 Visit Mainstay Filing Partner link. We may earn money if you buy.
3 Connecticut Registered Agent.co $199 $298 $397 $595 Visit Connecticut Registered Agent.co Partner link. We may earn money if you buy.

Prices as published on November 13, 2026; year one, then renewals added one at a time. The ranking by running sum is stable for ten years.

Check the math yourself

Sums for 1 to 5 years. State fees are left out because they match in every row.

Sum after 3 years: CT Registered Agent.org $397, Mainstay Filing $497, Connecticut Registered Agent.co $397. The least spent: CT Registered Agent.org.

Official state amounts

Term Value Where it comes from
Registration charge $120 business.ct.gov (checked October 2026) as the source
Annual report $80 business.ct.gov (checked October 2026) as the source
State fees added over 3 years $280 Filing + reports + any tax

Working: filing fee, plus the recurring report in years two and three, plus any minimum tax. The sum is the three-year state line.

How the ranking worked out

Weight 42%: three-year total. That term separated the top two rows.

On the three-year total CT Registered Agent.org comes to $397, a $100 difference from Mainstay Filing.

Connecticut foreign LLC registration fee and rules, from the source

To register, file the Foreign Registration Statement, Limited Liability at the Connecticut Secretary of the State, Business Services Division and pay $120. It requires certificate of existence (certificate of good standing) from the state of formation no older than 90 days.

Operating unregistered risks the fees it would have paid.

Cited at: business.ct.gov (checked October 2026) as the source

The no-service row

Cost of filing yourself: $280 to the state over three years. Service totals of $397 to $497 are the price of avoiding the forms.

Common questions

How much does Connecticut take to register an out-of-state LLC?

$120 as the official fee, before service fees of $199.

What do the services add up to over three years?

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

Which form does the registering?

The form is Foreign Registration Statement, Limited Liability, and the Connecticut Secretary of the State, Business Services Division receives it.

Does Connecticut ask for a paper from the home state?

Yes, and it must be under 90 days old: certificate of existence (certificate of good standing) from the state of formation.

What recurring filing comes after registration?

The annual report, which costs $80.

In what year does one service pass another in total cost?

Not within ten years; no row passes another.

Which foreign registration service is best value in Connecticut?

CT Registered Agent.org scores first. Mainstay Filing and Connecticut Registered Agent.co follow.

Keep working

Foreign registration worksheets, all 50 states Best foreign registration services overall The method

Inputs and sources

  1. Check Connecticut Secretary of the State at business.ct.gov; last read August 2026.
  2. Check Connecticut Secretary of the State at business.ct.gov; last read August 2026.
  3. Check Connecticut yearly filing: Annual report at business.ct.gov; last read October 2026.
  4. Check Connecticut report due date at cga.ct.gov; last read August 2026.
  5. Check Connecticut formation fee: Filing fee at business.ct.gov; last read October 2026.
  6. Check Connecticut formation fee: Filing fee at business.ct.gov; last read October 2026.
  7. Check Foreign LLC forms and fees at business.ct.gov; last read October 2026.
  8. Check Foreign Registration Statement form at business.ct.gov; last read October 2026.
  9. Check Foreign investigations penalties at business.ct.gov; last read October 2026.
  10. Check Who can be an agent at business.ct.gov; last read October 2026.
  11. Check Foreign annual report forms and at business.ct.gov; last read October 2026.
  12. The CT Registered Agent.org pricing page supplied the prices on November 13, 2026
  13. The Mainstay Filing Connecticut service page supplied the prices on November 13, 2026
  14. The Connecticut Registered Agent.co pricing page supplied the prices on November 13, 2026