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Biz Formation Report

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

Foreign registration report · Mississippi

3 Best Foreign Registration Services in Mississippi (2026)

By the Biz Formation Report editorial team

Biz Formation Report ranks foreign registration services in Mississippi for 2026 as Registered Agent MS.org ($199), Mainstay Filing ($199) and Mississippi Registered Agent.co ($199), in that order. Registered Agent MS.org earns the top grade: the Mississippi registration for $199 with year-one agent service included, then $99 a year.

No.1

Our top pick in Mississippi

1. Registered Agent MS.org: best for companies adding Mississippi alone

Score9.3out of 10
$199 plus the state fee, then $99 a year for the agent from year two

Top grade, Registered Agent MS.org: $199 beyond the state fee to register in Mississippi, agent renewing at $99.

The plan seats the company at an in-state street address and posts scans of papers served there to your online account.

Over three years it costs less than Mainstay Filing, and cost is one of our two heaviest criteria.

What you get

  • Filing with the state
  • Registered agent service for year one

Good

  • Registered agent service included for year one
  • Registers the company at $199 plus filing fees
  • Agent at $99 a year after year one

Weak spots

  • Serves Mississippi only; the home state still needs its own agent
  • The EIN application costs $99 extra
Visit Registered Agent MS.orgPartner link. We may earn money if you buy.
Read the Registered Agent MS.org review
No.2

Same price in every state

2. Mainstay Filing: best for companies registered in several states

Score8.8out of 10
$199 service fee, $449 due at checkout with the state fee; the agent is $149 annually from year two

Second grade, Mainstay Filing: $199 plus the state's fee, with the registered agent free for year one and one price in every state.

Beyond the free first year, agent service is $149 annually in any state.

Registered Agent MS.org is $100 cheaper across three years, and that difference lowers Mainstay Filing's cost grade.

What you get

  • The foreign registration, done for you
  • Registered agent service free in year one
  • Service of process scanned and uploaded within one business day, free

Good

  • Served papers scanned within the same business day, free
  • One price across all fifty states
  • Registered agent at no cost in year one
  • $199 service fee plus the state's fee

Weak spots

  • The agent renews at $149, $50 more than Registered Agent MS.org
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing review
No.3

Best local option

3. Mississippi Registered Agent.co: best for registering in Mississippi only

Score8.5out of 10
$199 service fee and the state fee on top; the agent is $99 annually from year two

Third grade, Mississippi Registered Agent.co: $199 beyond the state fee to register in Mississippi, agent renewing at $99.

The plan seats the company at an in-state street address and posts scans of papers served there to your online account.

The two state services, Registered Agent MS.org and Mississippi Registered Agent.co, match on price and features, and the order between them is a narrow call.

What you get

  • Filing with the state
  • The first year as your registered agent

Good

  • Registration costs $199 before the state fee
  • Agent at $99 a year after year one
  • The first year as your registered agent is included

Weak spots

  • Serves Mississippi only; the home state still needs its own agent
  • The EIN application costs $99 extra
Visit Mississippi Registered Agent.coPartner link. We may earn money if you buy.
Read the Mississippi Registered Agent.co review

Summary of the 3 grades

RankProviderGradeService feeYear twoBest fitSite
1Registered Agent MS.org9.3$199$99/yrThe lowest agent renewal we rank hereVisit Registered Agent MS.orgPartner link. We may earn money if you buy.
2Mainstay Filing8.8$199$149/yrCompanies with a presence in several statesVisit Mainstay FilingPartner link. We may earn money if you buy.
3Mississippi Registered Agent.co8.5$199$99/yrThe lowest agent renewal we rank hereVisit Mississippi Registered Agent.coPartner link. We may earn money if you buy.

Each grade out of 10 comes from Biz Formation Report's editors and the weighted criteria on How we rank; no customer ratings are involved.

Mississippi foreign registration service prices, 2026: year one, renewal and three-year outlay

ProviderYear 1Year 2Year 3Three-year outlayYear-one agent covered
Registered Agent MS.org$199$99$99$397Included
Mainstay Filing$199$149$149$497Free
Mississippi Registered Agent.co$199$99$99$397Included

All prices were taken from the companies' own websites on November 12, 2026. Mississippi's $250 registration fee is payable on top of each row and is not part of these totals.

How the grades were set

Biz Formation Report grades three-year bill and what the money buys at 32% each, leaving 36% for renewal handling, local rules match and pricing openness. In Mississippi, three-year bill settled the order.

Total outlay with Registered Agent MS.org over three years: $397, $100 less than Mainstay Filing. Both providers include the first agent year, so the renewal price set the order.

Every criterion and weight is listed on How we rank.

Mississippi foreign LLC registration: fee, document and filing office

To register, the outside company submits the Application for Registration of Foreign Limited Liability Company (Filing F0200) to the Mississippi Secretary of State, Business Services, with a state fee of $250. Mississippi also wants certificate of good standing or existence, dated within 180 days of the filing.

After registration the company owes the Foreign LLC annual report ($250), due April 15.

Documents to have on hand

  • Certificate of good standing or existence, dated within 180 days of filing.
  • The legal name as recorded in the home state, and the date of formation.
  • An in-state registered agent; any provider in this report can serve.
  • Payment of the $250 state fee with the filing.
  • The due date of the Foreign LLC annual report and its $250 fee, noted in your calendar.

The cost of skipping Mississippi registration

An unregistered foreign LLC has no right to sue in Mississippi courts until it registers (Miss. Code Ann. 79-29-1013(1)). Its contracts remain enforceable (Miss. Code Ann. 79-29-1013(2)). Daily penalties of $10 may apply.

Mississippi foreign registration service: common questions

Must an LLC from another state register with Mississippi?

Yes, as soon as it transacts business there. Until then it has no standing to bring a lawsuit in the state's courts.

How much does Mississippi foreign registration cost?

$250 goes to the state and $199 to the service.

Which form handles foreign registration with Mississippi?

The state names the form in the facts above; it is sent to the Mississippi Secretary of State, Business Services.

Does Mississippi demand proof of good standing from the home state?

Yes. The filing needs certificate of good standing or existence, issued no more than 180 days ago.

Is a registered agent still needed after foreign registration?

Yes. A registered agent with a street address in the state has to remain on file.

What is the best foreign registration service for Mississippi?

Registered Agent MS.org: $199 plus the state fee, one year of registered agent service included, then $99 a year for the agent.

Related pages

Source notes

  1. Mississippi Secretary of State, Business Services Division (verified August 2026)
  2. Mississippi Secretary of State, Business Services Division (verified August 2026)
  3. Mississippi yearly filing: Annual report: fee, official source (verified October 2026)
  4. Miss. Code Ann. § 79-29-201 (verified August 2026)
  5. Mississippi registered agent statute (verified October 2026)
  6. Mississippi Secretary of State, Business Services (verified October 2026)
  7. Business filing fee schedule (verified October 2026)
  8. Start Your Business in Mississippi (verified October 2026)
  9. Pulled November 12, 2026: Registered Agent MS.org, pricing and service pages
  10. Pulled November 12, 2026: Mainstay Filing, Mississippi service page
  11. Pulled November 12, 2026: Mississippi Registered Agent.co, pricing and service pages