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Researched and written by the Launchwise Review editorial team
Launchwise Review

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

Launch guide · Kentucky · foreign registration

3 Best Foreign Registration Services in Kentucky (2026)

Researched and written by the Launchwise Review editorial team
For a 2026 launch in Kentucky, Launchwise Review grades foreign registration services this way: Kentucky Registered Agent.co ($199), Mainstay Filing ($199) and KY Registered Agent.org ($199). Kentucky Registered Agent.co earns the top grade here: it registers the company in Kentucky for $199, first agent year included, then $99 a year.
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Top pick on this page

1. Kentucky Registered Agent.co: best for companies adding only Kentucky

Pay $199 plus the state fee, then $99 a year for the agent

Our mark 9.6 out of 10

Top grade, Kentucky Registered Agent.co: $199 beyond the state fee gets the company into Kentucky, with the agent renewing at $99.

You get an in-state street address for the registered office, and any papers served on the company are scanned into your online account.

Three years of its fees come to less than Mainstay Filing charges.

In the price

  • The registration filing
  • One year of registered agent service to begin with

Pros

  • Second-year agent price: $99
  • $199 covers the registration work, fees extra
  • Your first registered agent year comes at no cost

Less good

  • Kentucky only; the home state needs its own agent
  • EIN application costs extra ($99)
Visit Kentucky Registered Agent.coPartner link. We may earn money if you buy.
Read the Kentucky Registered Agent.co launch review
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Best for expanding companies

2. Mainstay Filing: best for founders working in several states

$199 for the service, $289 due at checkout including the state fee; agent service is $149 a year from the second year

Our mark 9.2 out of 10

Next up is Mainstay Filing: the Kentucky registration costs $199, the first registered agent year is free, and later years are $149.

Once the free first year ends, the agent is $149 a year, in any state.

Kentucky Registered Agent.co is $100 lower across three years, which puts Mainstay Filing behind it on cost.

In the price

  • The registration filing, done for you
  • The first registered agent year at no charge
  • Papers served on the company scanned and uploaded the same business day, no charge

Pros

  • Registered agent service is free the first year
  • Papers served on the company are scanned the same business day, free
  • One price in every state
  • $199 for the service, with the state fee added

Less good

  • The agent costs $149 a year after year one, $50 above Kentucky Registered Agent.co
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing launch review
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Lower renewal than Mainstay

3. KY Registered Agent.org: best for Kentucky registrations only

Service $199, state fee extra; the agent then costs $99 each year

Our mark 8.9 out of 10

Rounding out the list is KY Registered Agent.org: $199 beyond the state fee gets the company into Kentucky, with the agent renewing at $99.

You get an in-state street address for the registered office, and any papers served on the company are scanned into your online account.

KY Registered Agent.org copies Kentucky Registered Agent.co on price and features, so the pair is close to level.

In the price

  • The registration filing
  • The first year of registered agent service

Pros

  • Second-year agent price: $99
  • Year-one registered agent duty is covered
  • Registers the company for $199, state fee extra

Less good

  • Kentucky only; the home state needs its own agent
  • EIN application costs extra ($99)
Visit KY Registered Agent.orgPartner link. We may earn money if you buy.
Read the KY Registered Agent.org launch review

The 3 grades at a glance

Place Company Launch grade Service price Second year Best fit Go
1 Kentucky Registered Agent.co 9.6 $199 $99/yr The lowest agent renewal on this page Visit Kentucky Registered Agent.coPartner link. We may earn money if you buy.
2 Mainstay Filing 9.2 $199 $149/yr Founders opening a second state Visit Mainstay FilingPartner link. We may earn money if you buy.
3 KY Registered Agent.org 8.9 $199 $99/yr The lowest agent renewal on this page Visit KY Registered Agent.orgPartner link. We may earn money if you buy.
The 10-point grades are editorial, built from the criteria on How we rank. They are not customer ratings.

Kentucky foreign registration service cost in 2026: first year, renewals, three-year total

Company Year 1 Year 2 Year 3 Three years, total Agent covered, year one
Kentucky Registered Agent.co $199 $99 $99 $397 Included
Mainstay Filing $199 $149 $149 $497 Free
KY Registered Agent.org $199 $99 $99 $397 Included
Prices were copied from each company's own pages on November 12, 2026. Add Kentucky's $90 registration fee to any row; it is not in the totals.

Why this order

What made the call in Kentucky was cost to launch and stay. The grading method sets cost to launch and stay at 26%, launch paperwork handled at 26% and renewal behavior, state match and price transparency at 48% combined.

Kentucky Registered Agent.co comes to $397 over three years, $100 under Mainstay Filing. Both include year one, so the renewal price broke the tie.

Every criterion and weight is listed on How we rank.

Opening in Kentucky as a foreign LLC: fee, form and office

Your registration goes to the Kentucky Secretary of State, Division of Business Filings, on the Certificate of Authority (Foreign Business Entity) (Form FBE). Budget $90 for the state.

Calendar item for later: the annual report at $15, due between January 1 and June 30 each year.

Before you file, get these together

  • Your company's exact legal name and the date it was formed at home.
  • A registered agent with a street address in the state; every company graded on this page can serve.
  • The $90 state fee, ready to pay with the filing.
  • A calendar reminder for the annual report and its $15 fee.

What skipping Kentucky registration can cost you

Without registration, an outside LLC cannot bring a lawsuit in Kentucky courts (KRS 14A.9-020(1)). The penalty can be $2 for each day.

Quick answers about Kentucky foreign registration services

When does an LLC from elsewhere have to register in Kentucky?

Once it does business there. Until then it cannot bring a lawsuit in the state's courts.

What should I budget to bring an existing LLC into Kentucky?

The state fee is $90; add a service fee of $199.

Which form brings a foreign LLC into Kentucky?

Ask the Kentucky Secretary of State, Division of Business Filings for the Certificate of Authority (Foreign Business Entity) (Form FBE).

Does the foreign LLC still need a registered agent?

Yes. Keep a registered agent with a street address in the state for as long as the company is registered there.

Which foreign registration services are graded on this page?

Kentucky Registered Agent.co ($199), Mainstay Filing ($199) and KY Registered Agent.org ($199), top grade first.

Which service is the best way to register a foreign LLC in Kentucky?

Kentucky Registered Agent.co, because $199 plus the state fee, year-one registered agent service included, then $99 a year for the agent.

Read next

Sources and dates

  1. Kentucky Secretary of State, dated August 2026
  2. Kentucky Secretary of State, dated August 2026
  3. Kentucky report due date, dated August 2026
  4. KRS 275.025, dated August 2026
  5. Kentucky formation fee: Filing fee, official source, dated October 2026
  6. Kentucky registered agent statute, dated October 2026
  7. Kentucky Secretary of State, business filings, dated October 2026
  8. Form FBE, Certificate of Authority, dated October 2026
  9. KRS 14A.9-020, consequences of transacting business without authority, dated October 2026
  10. KRS 14A.9-010, authority to transact business required, dated October 2026
  11. From Kentucky Registered Agent.co: pricing and service pages, copied November 12, 2026
  12. From Mainstay Filing: Kentucky service page, copied November 12, 2026
  13. From KY Registered Agent.org: pricing and service pages, copied November 12, 2026