3 Best Foreign Registration Services in Kentucky (2026) for You
In 2026, we rank Mainstay Filing ($199), KY Registered Agent.org ($199) and Kentucky Registered Agent.co ($199), in that order, as the foreign registration services for Kentucky. State fee: $90. Service fees over three years: $397 to $497.
By the LLC Answered editorial team
Quick reply
Short reply
Charged by the state
$90
Attach a certificate?
Not requested
Later filing
$15, annual report
Who to hire
Mainstay Filing, KY Registered Agent.org then Kentucky Registered Agent.co
Kentucky: our answer
Order set by our five tests: three-year cost first, then what the price covers.
#1First choice
1. Mainstay Filing: best for a second, third and fourth state
$199 plus the state fee; then $149 a year
Mainstay Filing comes first, as it asks $199 plus state fees and waives the registered agent charge for the first year.
Is it the smaller bill? No. KY Registered Agent.org costs $100 less over three years, but it works in Kentucky only.
After the free year, the registered agent renews at $149.
What is bundled
Out-of-state registration, filed
Registered agent, free in year one
A nationwide flat fee
Pluses
One price anywhere
No agent charge in year one
Service fee $199
Downsides
Renewal $50 above KY Registered Agent.org
#2In-state option
2. KY Registered Agent.org: best for one extra state
$199 plus the state fee; then $99 a year
KY Registered Agent.org is number 2, because registering costs $199 over the state fee, agent covered in year one, then $99 a year.
What is bundled
Kentucky registration filing
Agent for year one
Pluses
First-year agent comes with it
Low $99 renewal
$199 to register
Downsides
Home state needs a separate agent
#3In-state option
3. Kentucky Registered Agent.co: best for a low agent renewal
$199 plus the state fee; then $99 a year
Kentucky Registered Agent.co is number 3, because registering costs $199 over the state fee, agent covered in year one, then $99 a year.
Price for price it ties KY Registered Agent.org.
What is bundled
Kentucky registration filing
Agent for year one
Pluses
$199 to register
First-year agent comes with it
Low $99 renewal
Downsides
Home state needs a separate agent
Compared in a table
#
Company
Start price
Later years
Three-year cost
Included
1
Mainstay Filing
$199
$149/yr
$497
Out-of-state registration, filed; registered agent, free in year one; A nationwide flat fee
By year three the state has collected $645. see apps.legislature.ky.gov, as of October 2026, state page
Which form do I file, and where?
You file the Certificate of Authority (Foreign Business Entity) (Form FBE), and the Kentucky Secretary of State, Division of Business Filings receives it.
The state does not ask for a certificate from your home state.
What do I owe once registered?
Each cycle brings another annual report, billed at $15.
The deadline, per the state: Between January 1 and June 30 each year.
What put the top pick on top?
Mainstay Filing is strongest on paperwork covered, which counts 29% in our ranking.
The two heavy tests are three-year price (36%) and paperwork covered (29%); three lighter tests follow.
Two states, one provider: that is why it is first.