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Biz Formation Academy

A plain textbook on LLC paperwork, one state per chapter.

Textbook chapter 2 · Mississippi

Mississippi Registered Agent Chapter (2026): 6 Sections and the 3 Best Agents

Summary for 2026: to handle appointing a registered agent in Mississippi with outside help, choose among Mississippi Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and Registered Agent MS.org ($99 a year), in that order. This chapter's 6 sections explain what Mississippi demands of a registered agent, who may serve, which address qualifies and how the appointment is recorded.
Written by the Biz Formation Academy editorial board

Key facts for this chapter

Must one be named? Yes sos.ms.gov, as published October 2026
Service prices $99 to $149 a year As each company lists them
Annual report No fee sos.ms.gov, as published October 2026
Chapter sections 6 Taken one at a time

You will be able to explain

  • The legal requirement
  • Eligibility and the address test
  • Listing the agent with the state
  • Who to consider as agent

Recommended reading for Mississippi

Ranked by the grading page: three-year cost (34%), paperwork completed (30%), second-year price, fit with Mississippi rules and clarity of the price list.

1. Mississippi Registered Agent.co: best for a low yearly agent fee

Recommended first
$99 per year (renewal $99)

First place goes to Mississippi Registered Agent.co; a plan for one state: $99 a year, renewing at $99.

Its three-year total is below Mainstay Filing's, which earns first place because cost carries 34%.

Price covers

  • An office address within the state
  • Legal papers scanned and posted

Advantages

  • $99 a year, unchanged at renewal
  • Less per year than Mainstay Filing

Limitations

  • Serves Mississippi alone
  • Annual report is left to the owner
Visit Mississippi Registered Agent.co Partner link. We may earn money if you buy.

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

All fifty states
$149 per year (renewal $149)

Mainstay Filing is ranked second: $149 a year from one provider, for this state and any later one.

A three-year difference of $150 from Mississippi Registered Agent.co sets its position.

Price covers

  • A Mississippi street address on record
  • Any papers served on the company get scanned for you at no cost
  • Three government mailings a year are scanned at no cost to you
  • Also serves nonprofits, corporations, LPs and LLPs

Advantages

  • $149 each year with no increase
  • Valid in every state

Limitations

  • $50 more annually than the local choice
  • Reports remain the owner's job
Visit Mainstay Filing Partner link. We may earn money if you buy.

3. Registered Agent MS.org: best for a second Mississippi option

In-state service
$99 per year (renewal $99)

Third place is held by Registered Agent MS.org, since a plan for one state: $99 a year, renewing at $99.

It charges exactly what Mississippi Registered Agent.co charges.

Price covers

  • An office address within the state
  • Legal papers scanned and posted

Advantages

  • $99 a year, unchanged at renewal
  • Less per year than Mainstay Filing

Limitations

  • Serves Mississippi alone
  • Annual report is left to the owner
Visit Registered Agent MS.org Partner link. We may earn money if you buy.

The Mississippi rankings compared

#ServiceAnnual priceRenewal priceThree-year total
1 Mississippi Registered Agent.co $99$99/yr$297 Visit Mississippi Registered Agent.co Partner link. We may earn money if you buy.
2 Mainstay Filing $149$149/yr$447 Visit Mainstay Filing Partner link. We may earn money if you buy.
3 Registered Agent MS.org $99$99/yr$297 Visit Registered Agent MS.org Partner link. We may earn money if you buy.

Taken from each company's price page on November 13, 2026. No agent changes the state fees.

The sections

  1. Section 1

    The Mississippi rule stated

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

    Reference: sos.ms.gov, as published October 2026

  2. Section 2

    Eligibility to serve

    Any individual, corporation or LLC with a physical address in Mississippi. Agents that serve for hire register with the Secretary of State as commercial agents. The rule appears in Miss. Code Ann. § 79-29-113.

  3. Section 3

    Select a compliant address

    The address has to be a physical Mississippi street address that is the agent's business office. P.O. boxes are not accepted.

    Each recommended service provides a Mississippi office address.

  4. Section 4

    Serve as your own agent or hire one

    Eligible owners can name themselves, and the recommended agents charge $99 to $149 each year.

  5. Section 5

    Record the agent with the state

    For a newly formed Mississippi LLC, the Certificate of Formation (Form F0100) identifies the agent. A switch afterward is filed on its own with the Mississippi Secretary of State.

    Reference: sos.ms.gov, as published August 2026

  6. Section 6

    Keep the agent record accurate

    Notices from the state about the annual report are sent to your registered agent. The cost is nothing every year, with timing given as April 15.

    Reference: sos.ms.gov, as published October 2026

Agent and state costs

EntryPayeeSum
The agent The service$99 to $149 a year
Each later year The service$99 to $149 a year
Annual report Filing officeNo fee

The filing fee, two later reports and any minimum tax make up the state's three-year total; the bibliography shows where each figure came from.

How the ranking came out

On tuition over three years (34% of the ranking) came first, with next.

Mississippi Registered Agent.co leads the cost criterion at $297 across three years, with Mainstay Filing $150 behind.

Mississippi review questions

Must every Mississippi LLC keep a registered agent?

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

Can I be my own registered agent?

Possibly. Sections 2 and 3 show whether both rules are met.

Can I change my registered agent later?

Yes, at any time. Section 5 shows how to file the change with the Mississippi Secretary of State.

What does a registered agent cost in Mississippi?

Across the ranked agents the yearly price is $99 to $149.

What does the LLC pay the state each year?

The yearly item is the annual report, which carries no fee.

Which registered agent would you choose?

The ranking is Mississippi Registered Agent.co, Mainstay Filing and Registered Agent MS.org, and Mississippi Registered Agent.co is first since $99 a year provides a Mississippi agent with an in-state office.

More chapters

Bibliography and primary texts

  1. Cited for Mississippi Secretary of State, Business Services Division: sos.ms.gov, edition of August 2026.
  2. Cited for Mississippi Secretary of State, Business Services Division: sos.ms.gov, edition of August 2026.
  3. Cited for Mississippi yearly filing: Annual report: fee, official source: sos.ms.gov, edition of October 2026.
  4. Cited for Miss: sos.ms.gov, edition of August 2026.
  5. Cited for Mississippi registered agent statute: sos.ms.gov, edition of October 2026.
  6. Mississippi Registered Agent.co, pricing page: consulted November 13, 2026
  7. Mainstay Filing, Mississippi service page: consulted November 13, 2026
  8. Registered Agent MS.org, pricing page: consulted November 13, 2026