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Keep it simple · Kentucky

3 Best Registered Agents in Kentucky (2026), No Jargon

Our 2026 favorites for registered agents in Kentucky are KY Registered Agent.org ($99 a year), Kentucky Registered Agent.co ($99 a year) and Mainstay Filing ($149 a year), best first. Prices start at $99 to $149 a year and add up to $297 to $447 by year three.
From the LLC Plainly editorial team

Short answer

Mandatory?
Yes, you must
Legal name
Registered agent
What it costs a year
$99 to $149 each year
Who we like
KY Registered Agent.org, Kentucky Registered Agent.co then Mainstay Filing

Who we'd use in Kentucky

Prices come from each company's own pricing. Here's how we pick.
Our favorite

1. KY Registered Agent.org: best for LLCs that never leave the state

$99 a year, $99 when you renew

Why KY Registered Agent.org? Honestly, $99 a year gets you an agent right in the state.

Over three years it costs less than Mainstay Filing, which counts most with us.

Your money buys

  • A staffed in-state address
  • Documents scanned to your login

The good

  • $99 every year, flat
  • Under Mainstay Filing on yearly price

Trade-offs

  • Works in Kentucky and nowhere else
  • It doesn't take the annual report off your hands
A Kentucky favorite

2. Kentucky Registered Agent.co: best for staying close to home

$99 a year, $99 when you renew

Number 2 is Kentucky Registered Agent.co: $99 a year gets you an agent right in the state.

Price for price, it ties KY Registered Agent.org.

Your money buys

  • A staffed in-state address
  • Documents scanned to your login

The good

  • Under Mainstay Filing on yearly price
  • $99 every year, flat

Trade-offs

  • Works in Kentucky and nowhere else
  • It doesn't take the annual report off your hands
Any state you add

3. Mainstay Filing: best for owners who plan to grow

$149 a year, $149 when you renew

Mainstay Filing comes next since the $149 yearly price goes with you to any state you add.

KY Registered Agent.org is $150 less across three years, which is enough to rank higher.

Your money buys

  • An in-state address of record
  • Three government mailings a year scanned for free
  • Not just LLCs: corporations, LPs, LLPs and nonprofits as well

The good

  • Moves with your company
  • Annual price $149; renewal price $149

Trade-offs

  • You'd pay $50 more every year
  • It's the agent role only, with no report filing

The numbers side by side

#CompanyYear oneRenewal3 yearsCovers
1KY Registered Agent.org$99$99/yr$297A staffed in-state address; documents scanned to your loginVisit the KY Registered Agent.org sitePartner link. We may earn money if you buy.
2Kentucky Registered Agent.co$99$99/yr$297A staffed in-state address; documents scanned to your loginVisit the Kentucky Registered Agent.co sitePartner link. We may earn money if you buy.
3Mainstay Filing$149$149/yr$447An in-state address of record; three government mailings a year scanned for free; Not just LLCs: corporations, LPs, LLPs and nonprofits as wellVisit the Mainstay Filing sitePartner link. We may earn money if you buy.
Prices as of November 13, 2026. Your state's own fees are in the checklist below.

Questions and answers

Is a registered agent a legal requirement?

Every LLC must name a registered agent with an in-state street address.

Cited law: KRS 14A.4-010. apps.legislature.ky.gov, confirmed October 2026 (official)

Who counts?

A Kentucky resident, or an entity qualified to do business in Kentucky, whose business address is the registered office. The agent signs or files a written acceptance.

Fit the rule and you can name yourself, which means no agent fee.

What does an agent cost?

Prices start at $99 to $149 a year, and three years total $297 to $447.

Naming a different agent doesn't change any state fee.

What's the agent's role?

When a lawsuit or state letter reaches your LLC in Kentucky, the agent is who receives it.

Service is only as good as the forwarding, so ask how documents reach you. A closer look at service of process

Are there yearly charges besides the agent?

Mostly the annual report, once a year, at $15. The state's due date: on or before June 30. Jot that down early. A yearly minimum tax comes on top.

sos.ky.gov, confirmed August 2026 (official)

Why is the list in this order?

It's cost across three years (33% of the score), and KY Registered Agent.org does best there.

We start with cost across three years, move to work taken off your hands, and finish with three smaller checks.

Picking KY Registered Agent.org over Mainstay Filing keeps $150 in your pocket across three years.

How we pick

Kentucky rules at a glance

ItemThe answerWhere we found it
The state's formation fee$40sos.ky.gov, confirmed October 2026 (official)
Registered agentYes, you mustapps.legislature.ky.gov, confirmed October 2026 (official)
Annual report$15 every yearsos.ky.gov, confirmed August 2026 (official)
Yearly minimum tax$175 a yearrevenue.ky.gov, confirmed October 2026 (official)
What the state gets in three years$595Our total of the lines above
Each figure above links to the state's official page. The final line is our addition of the filing, two reports and any minimum tax, and it leaves out variable costs.

A few more

Can an owner serve as agent?

Yes, as long as you fit the rule. Many owners still hire a service for privacy.

Where does the agent have to be located?

The address has to be a physical registered office in Kentucky that matches the agent's business address. A P.O. box is not enough.

What does each one cost over three years?

KY Registered Agent.org will cost you $297, Kentucky Registered Agent.co will cost you $297, Mainstay Filing will cost you $447

Where did you get these numbers?

Official Kentucky sources on the state side and company pricing on the service side, all dated.

Is a filing service a must?

Not required. What you'd pay a service is for convenience.

Who tops the list in Kentucky?

Start with KY Registered Agent.org, followed by Kentucky Registered Agent.co and Mainstay Filing.

Official sources and price pages

  1. Kentucky Secretary of State, sos.ky.gov (confirmed August 2026)
  2. Kentucky Secretary of State, sos.ky.gov (confirmed August 2026)
  3. Kentucky report due date, apps.legislature.ky.gov (confirmed August 2026)
  4. KRS 275.025, apps.legislature.ky.gov (confirmed August 2026)
  5. Kentucky formation fee: Filing fee, sos.ky.gov (confirmed October 2026)
  6. Kentucky registered agent statute, apps.legislature.ky.gov (confirmed October 2026)
  7. Kentucky other cost: Limited Liability, revenue.ky.gov (confirmed October 2026)
  8. November 13, 2026: the KY Registered Agent.org pricing page
  9. November 13, 2026: the Kentucky Registered Agent.co pricing page
  10. November 13, 2026: the Mainstay Filing Kentucky service page