3 Best Foreign Registration Services in Kentucky (2026): Prices Tracked
Kentucky watchlist, 2026: KY Registered Agent.org ($199), Kentucky Registered Agent.co ($199) and Mainstay Filing ($199) lead the foreign registration services, best value first. Kentucky takes $90 to register, then the services add $397 to $497 by year three.
Tracked by the Filing Price Watch editorial team
Ordered by:
Best value first, using our five measures
Kentucky price snapshot
What the state charges to register$90apps.legislature.ky.gov (pulled October 2026, noted here)
What year one costs$199No state fee in these
Total after 3 years$397 to $497Opening year and two more
State total, three years$645Same whichever service you use
Totals cross inDoes not happenOrder holds through year 10
The Kentucky picks, ranked
Each entry shows year one, the price from year two and the three-year total. Kentucky's $90 is added to any of them.
#Ordered byPrice in year 1Price at renewalThree-year spend
1
Number one
1. KY Registered Agent.org: best for a basic registration
Starts at $199; later years $99
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
In Kentucky, KY Registered Agent.org is the best value because $199 on top of the state fee, with the first agent year included, followed by $99 each year.
Its three-year total sits under Mainstay Filing's, which wins it the top spot.
Price covers
The Kentucky registration filing
A year of agent service to begin with
Holds up
Then $99 a year
$199 to register
Agent included to start
Weak spots
The home state needs a different agent
2
Kentucky only
2. Kentucky Registered Agent.co: best for a nearby provider
Starts at $199; later years $99
Price in year 1$199
Price after year 1$99/yr
Three-year spend$397
Next up, Kentucky Registered Agent.co: $199 on top of the state fee, with the first agent year included, followed by $99 each year.
Both the first-year and renewal prices equal KY Registered Agent.org's.
Price covers
The Kentucky registration filing
A year of agent service to begin with
Holds up
Then $99 a year
Agent included to start
$199 to register
Weak spots
The home state needs a different agent
3
Complete package
3. Mainstay Filing: best for the same cost every state
Starts at $199; later years $149
Price in year 1$199
Price after year 1$149/yr
Three-year spend$497
Next up, Mainstay Filing: a $199 service fee that is the same in every state, with year-one agent service thrown in.
Its three-year total is $100 above KY Registered Agent.org, and cost is 37% of the order.
The state's share is worked out from three pieces: what it charges to file, what it charges for the next two reports, and any minimum tax. Anything without a fixed price, newspaper notices for instance, is left out of that figure.
Why this order for Kentucky
The 37% measure tracked three-year cost separated the top two.
Three years with KY Registered Agent.org come to $397, while Mainstay Filing runs $100 higher over the same stretch.
Kentucky foreign LLC registration fee and rules, as written by the state
An LLC from another state has to register in Kentucky before doing business here. You file the Certificate of Authority (Foreign Business Entity) (Form FBE) with the Kentucky Secretary of State, Division of Business Filings and pay $90.
If it never registers: an inability to sue as plaintiff in Kentucky (KRS 14A.9-020(1)); a further charge per day of $2.
From the source: sos.ky.gov (pulled October 2026, noted here)
The do-it-yourself total
No service means three years of state fees at $645. Hiring one adds $397 to $497 in the same period.
Frequently asked
How much does it cost to register a foreign LLC with Kentucky?
$90 to the state, plus a service fee of $199.
What do these services cost over three years?
$397 to $497 in service fees, before state fees.
What form registers the LLC?
The registration is Certificate of Authority (Foreign Business Entity) (Form FBE), filed with the Kentucky Secretary of State, Division of Business Filings.
What recurring filing comes after registration?
It is the annual report, at $15.
In what year does one service become pricier than another?
The order stays the same for ten years.
Which foreign registration service is the best value for Kentucky?
On our five measures the Kentucky order is KY Registered Agent.org, Kentucky Registered Agent.co and Mainstay Filing, with KY Registered Agent.org ahead on tracked three-year cost.