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Foreign registration price index · Kentucky

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

Tallied for 2026, the best-value foreign registration services for Kentucky are Kentucky Registered Agent.co ($199), Mainstay Filing ($199) and KY Registered Agent.org ($199), in order. Registration costs $90 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

The Kentucky tally

Fee paid at registration$90apps.legislature.ky.gov (read October 2026) per the state
Opening range$199Provider fees alone
Three-year range$397 to $497First year plus two later years
Three-year state line$645Whoever registers
Year of crossoverNo crossingStable for a decade

The Kentucky index

Ordered by our value index. No line includes the $90 state fee.
1

1. Kentucky Registered Agent.co: best for a stripped-down registration

First line
First year$199
Years 2 and on$99/yr
Three-year sum$397
$199 on top of $90 at the state; renewal $99

Kentucky Registered Agent.co takes line one of the Kentucky index: $199 to register with a year of agent service included, then $99 each year.

A lower three-year subtotal than Mainstay Filing puts it on top; cost is the heaviest column.

Line includes

  • Foreign registration handled
  • Agent service in year one

Credits

  • $199 added to the state fee
  • Agent service free for year one
  • Agent renews at $99

Debits

  • A second provider is needed at home
2

2. Mainstay Filing: best for the same fee wherever you register

Works anywhere
First year$199
Years 2 and on$149/yr
Three-year sum$497
$199 on top of $90 at the state; renewal $149

Line 2 goes to Mainstay Filing: $199 to file, a free first agent year, and one price in every state.

The $100 three-year difference from Kentucky Registered Agent.co fixes its position.

Agent charge from year two: $149, the same everywhere.

Line includes

  • Filing made with the state
  • Registered agent free for the first year
  • Works in all fifty states

Credits

  • Any state at one fee
  • $199 added to Kentucky's fee
  • No agent charge the first year

Debits

  • $50 more per year for the agent
3

3. KY Registered Agent.org: best for a single added state

Local provider
First year$199
Years 2 and on$99/yr
Three-year sum$397
$199 on top of $90 at the state; renewal $99

Line 3 goes to KY Registered Agent.org: $199 to register with a year of agent service included, then $99 each year.

It matches Kentucky Registered Agent.co to the dollar.

Line includes

  • Foreign registration handled
  • Agent service in year one

Credits

  • Agent service free for year one
  • Agent renews at $99
  • $199 added to the state fee

Debits

  • A second provider is needed at home

Cumulative ledger

LineProviderTotal, year 1Total, year 2Total, year 3Total, year 5
1Kentucky Registered Agent.co$199$298$397$595Visit Kentucky Registered Agent.coPartner link. We may earn money if you buy.
2Mainstay Filing$199$348$497$795Visit Mainstay FilingPartner link. We may earn money if you buy.
3KY Registered Agent.org$199$298$397$595Visit KY Registered Agent.orgPartner link. We may earn money if you buy.
Company prices from November 13, 2026, accumulated year by year. No line overtakes another in ten years.

Subtotal calculator

Set the years and the calculator adds year one and renewals for every line.
Running subtotals after 3 years: Kentucky Registered Agent.co $397, Mainstay Filing $497, KY Registered Agent.org $397. Line with the smallest sum: Kentucky Registered Agent.co.

State fees, with citations

EntryAmountCited from
Fee to file the registration$90apps.legislature.ky.gov (read October 2026) per the state
Annual report$15sos.ky.gov (read October 2026) per the state
Minimum tax$175 each yearrevenue.ky.gov (read October 2026) per the state
State total, years 1 to 3$645Computed from the lines above
Every state line cites the official source beside it. The 3-year subtotal adds filing, reports in years 2 and 3 and any minimum tax.

Index notes

Kentucky Registered Agent.co indexed above Mainstay Filing on three-year cost index, a 38% column.

Kentucky Registered Agent.co takes the cost column with $397 over three years, where Mainstay Filing needs $100 more.

Official Kentucky foreign LLC registration fee and rules

Out-of-state LLCs send the Certificate of Authority (Foreign Business Entity) (Form FBE) to the Kentucky Secretary of State, Division of Business Filings, and the fee is $90.

An unregistered LLC can face the courts stay closed to its claims (KRS 14A.9-020(1)); a per-day penalty of $2.

Citation: sos.ky.gov (read October 2026) per the state

If you file it yourself

Government fees alone total $645 for three years, which is the floor. The ledger shows what each service adds ($397 to $497).

FAQ

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

$90 to file, plus $199 if you hire a service for year one.

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 Certificate of Authority (Foreign Business Entity) (Form FBE), and the Kentucky Secretary of State, Division of Business Filings is the office that takes it.

What recurring filing comes after registration?

Next comes the annual report, billed at $15.

When does one line pass another in total cost?

Not within ten years; no line overtakes another.

Which foreign registration service indexes best in Kentucky?

Kentucky Registered Agent.co: line one on three-year cost index. Then Mainstay Filing and KY Registered Agent.org.

Source lines

  1. Cited under Kentucky Secretary of State: sos.ky.gov (August 2026).
  2. Cited under Kentucky Secretary of State: sos.ky.gov (August 2026).
  3. Cited under Kentucky report due date: apps.legislature.ky.gov (August 2026).
  4. Cited under KRS 275.025: apps.legislature.ky.gov (August 2026).
  5. Cited under Kentucky formation fee: Filing fee: sos.ky.gov (October 2026).
  6. Cited under Kentucky registered agent statute: apps.legislature.ky.gov (October 2026).
  7. Cited under Kentucky Secretary of State, business: sos.ky.gov (October 2026).
  8. Cited under Form FBE, Certificate of Authority: web.sos.ky.gov (October 2026).
  9. Cited under KRS 14A.9-020, consequences of transacting: apps.legislature.ky.gov (October 2026).
  10. Cited under KRS 14A.9-010, authority to transact: apps.legislature.ky.gov (October 2026).
  11. Cited under Kentucky other cost: Limited Liability: revenue.ky.gov (October 2026).
  12. Ledger input from the Kentucky Registered Agent.co pricing page, November 13, 2026
  13. Ledger input from the Mainstay Filing Kentucky service page, November 13, 2026
  14. Ledger input from the KY Registered Agent.org pricing page, November 13, 2026