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A practical guide · Kansas

2 Best Foreign Registration Services in Kansas (2026) and What to Check

In Kansas for 2026, compare Mainstay Filing ($199) and KS Registered Agent.org ($199), ranked best first. All of the picks pay Kansas $115; service fees for three years run $397 to $497.
Written by the Simple Filing Guide editorial team

The short route

Registration fee
$115
Paper from your home state?
Not needed
Afterward
$90, Information Report
Our shortlist
Mainstay Filing then KS Registered Agent.org

Where to start in Kansas

Want to know why this order? See how we rank.

#1 Top pick

1. Mainstay Filing: best for companies that keep growing

Service $199 plus $115 to the state; agent renewal $149

Mainstay Filing takes the top spot, since the fee is $199 in every state, and the resident agent is included for the first year.

Compare the price before you commit: KS Registered Agent.org is $100 lower over three years, but it works in Kansas only.

Once the free year ends, the resident agent renews at $149.

Checklist: what is included
  • The registration filing
  • A flat nationwide fee
What works
  • $199 on top of Kansas's fee
  • The price does not change by state
Gaps
  • Agent renews higher ($149)
Visit Mainstay Filing to begin Partner link. We may earn money if you buy.
#2 Kansas only

2. KS Registered Agent.org: best for one extra state

Service $199 plus $115 to the state; agent renewal $99

Why KS Registered Agent.org second? Because its service fees come to $397 across three years.

Checklist: what is included
  • Application sent for you
  • Year-one agent service
What works
  • Only $199 to register
  • Year two onward: $99
  • Agent included for the first year
Gaps
  • Covers Kansas only, so your home state needs its own agent
Visit KS Registered Agent.org to begin Partner link. We may earn money if you buy.

The table

#ProviderFirst-year priceYearly afterThree-year costIncluded
1 Mainstay Filing $199$149/yr$497the registration filing; A flat nationwide fee Visit Mainstay Filing to begin Partner link. We may earn money if you buy.
2 KS Registered Agent.org $199$99/yr$397application sent for you; Year-one agent service Visit KS Registered Agent.org to begin Partner link. We may earn money if you buy.

Each company's listed prices on November 13, 2026. State fees are extra and do not vary by pick.

Step by step

Is my LLC obliged to register here?

If your LLC was formed in another state and will operate in Kansas, register first.

Not registering can lead to it has no standing to bring its own lawsuits (K.S.A. 17-76,126(a)).

verify at sos.ks.gov, as of October 2026

How much should I budget to register?

Registering through the state costs $115, and a service adds $199.

Over three years the state's fees reach $205, counting any recurring report. verify at sos.ks.gov, as of October 2026

Where does the registration go?

Your LLC is registered once the Kansas Secretary of State, Business Services Division approves the Application for Registration, Foreign (non-Kansas) Business (Form FA).

The filing needs no proof from your home state.

What does staying registered cost?

Information Report, at a cost of $90.

The state sets the deadline at April 15, every second year.

How did you rank them?

Mainstay Filing is strongest on filing jobs included, and that decides it.

The two heavy checks are total for three years (37%) and filing jobs included (27%); three lighter checks follow.

You will need an agent at home as well, and handling both states from one account saves effort.

Read the method

Kansas registration checklist

ItemAmount or ruleVerify
Registration fee $115verify at sos.ks.gov, as of October 2026
Certificate from your home state Not neededverify at sos.ks.gov, as of October 2026
Information Report $90verify at sos.ks.gov, as of October 2026
Three-year state total $205Rows above, added up

The final row is a sum that we calculated, not a figure printed by the state: filing, two reports and any minimum tax.

Also asked

Will one agent cover both states?

Most likely yes. One national provider is able to manage your home state and this one together.

What do the picks cost over three years?

Totals to compare: Mainstay Filing at $497, KS Registered Agent.org at $397, with state fees on top.

What sources do you use?

Official Kansas documents supply the state fees, and the companies' own pricing pages supply the service fees. Both carry dates on this page.

Must I hire anyone?

Hiring is optional. The law requires a filing, not a filer.

Is filing part of the service?

Each company on this page files it for you; the state charges the same regardless.

What is the best foreign registration service for Kansas?

Mainstay Filing comes first: you pay $199 plus Kansas's fee, get a free first resident agent year and then pay $149 a year. Next, KS Registered Agent.org.

Where each fact comes from

  1. October 2026 check of Kansas Form ILC, Information Report, via sos.ks.gov
  2. August 2026 check of Kansas report due date, via ksrevisor.gov
  3. October 2026 check of Kansas Secretary of State, Form, via sos.ks.gov
  4. October 2026 check of Kansas formation fee: Filing fee, via sos.ks.gov
  5. October 2026 check of Kansas registered agent statute, via ksrevisor.gov
  6. October 2026 check of Kansas Secretary of State, register, via sos.ks.gov
  7. October 2026 check of Form FA, foreign business application, via sos.ks.gov
  8. October 2026 check of K.S.A. 17-7932, activities that are, via ksrevisor.gov
  9. October 2026 check of K.S.A. 17-76,126, effect of failing, via ksrevisor.gov
  10. October 2026 check of Kansas Secretary of State, information, via sos.ks.gov
  11. Kansas service page from Mainstay Filing, checked November 13, 2026
  12. pricing page from KS Registered Agent.org, checked November 13, 2026