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File your LLC paperwork with confidence.
A practical guide · Mississippi

3 Best LLC Services in Mississippi (2026), Ranked for You

Start with this 2026 ranking of LLC formation services in Mississippi: Mainstay Filing ($199), Mississippi Registered Agent.co ($199) and Registered Agent MS.org ($199), in that order. Budget $50 for Mississippi and $397 to $597 for service fees over three years.
Written by the Simple Filing Guide editorial team

The short route

State fee to file
$50, a single payment
Later years
The report has no fee
Registered agent
Yes: the state requires it
Our ranking
Mainstay Filing, Mississippi Registered Agent.co then Registered Agent MS.org

Recommended in Mississippi

The scoring is laid out on this page.

#1 Recommended first

1. Mainstay Filing: best for knowing next year's bill early

$199 per year, renewing at $199

Rank Mainstay Filing first, as none of the others files the annual report for you, and here it comes with $199 a year.

Mississippi Registered Agent.co saves $200 across three years, but you would do more of the work yourself.

Annual report filing is part of the service, and Mississippi charges nothing for it.

Checklist: what is included
  • State filing handled
  • Registered agent year-round
  • Annual report handled when due
  • EIN request filed
  • State fee with no markup
What works
  • EIN application included in the price
  • Single yearly fee: $199
  • You pay $199 again next year
Gaps
  • Renewal runs $100 a year above Mississippi Registered Agent.co
Start with Mainstay Filing Partner link. We may earn money if you buy.
#2 For Mississippi filers

2. Mississippi Registered Agent.co: best for a lean launch

$199 plus the state fee, then $99 a year

Mississippi Registered Agent.co is second, because forming costs $199, the agent is covered in year one, and then $99 a year.

The annual report is not in the price, so add it to your own checklist.

Checklist: what is included
  • State filing completed
  • Year-one agent service
What works
  • Agent renews at $99 afterward
  • First-year agent service is covered
  • Only $199 to form
Gaps
  • The annual report stays on your checklist
  • They charge $99 to apply for your EIN
Start with Mississippi Registered Agent.co Partner link. We may earn money if you buy.
#3 For Mississippi filers

3. Registered Agent MS.org: best for another local choice

$199 plus the state fee, then $99 a year

Registered Agent MS.org is third, because forming costs $199, the agent is covered in year one, and then $99 a year.

The annual report is not in the price, so add it to your own checklist.

It charges the same as Mississippi Registered Agent.co, so the order between them is a close call.

Checklist: what is included
  • State filing completed
  • Year-one agent service
What works
  • Agent renews at $99 afterward
  • Only $199 to form
  • First-year agent service is covered
Gaps
  • The annual report stays on your checklist
  • They charge $99 to apply for your EIN
Start with Registered Agent MS.org Partner link. We may earn money if you buy.

Cost check

#PickYear-one costRenewal costThree-year costIncluded
1 Mainstay Filing $199$199/yr$597state filing handled; Registered agent year-round; annual report handled when due Start with Mainstay Filing Partner link. We may earn money if you buy.
2 Mississippi Registered Agent.co $199$99/yr$397state filing completed; Year-one agent service Start with Mississippi Registered Agent.co Partner link. We may earn money if you buy.
3 Registered Agent MS.org $199$99/yr$397state filing completed; Year-one agent service Start with Registered Agent MS.org 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.

Questions to settle

What does the state charge, and what does a service add?

$50 goes to the state, and a service adds $199.

Total the state's fees from filing through year three: $50. official source sos.ms.gov (August 2026) to check

Which form do I file, and where does it go?

One document does it: the Certificate of Formation (Form F0100), sent to the Mississippi Secretary of State.

Statute: Miss. Code Ann. § 79-29-201. official source sos.ms.gov (August 2026) to check

Is naming a registered agent a legal duty?

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

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.

official source sos.ms.gov (October 2026) to check

What keeps the LLC in good standing?

Put the annual report on your calendar (no fee, annual). Be ready for the state's deadline: April 15; calendar it now.

official source sos.ms.gov (October 2026) to check

Is it possible to do this without a service?

Nothing stops you from filing yourself. Then your three-year cost is $50 in state fees.

Hiring a service adds $397 to $597 over three years, and Mainstay Filing includes the reports in that price, in return for doing the filings.

Why is the list in this order?

Mainstay Filing leads on filing jobs included, which carries 27% of our score.

64% of the score comes from total for three years and filing jobs included.

Mississippi Registered Agent.co has the lower bill, but you still file the annual report there.

The five checks

What Mississippi requires to form an LLC

StepWhat to knowVerify
Formation fee $50official source sos.ms.gov (August 2026) to check
Registered agent Yes: the state requires itofficial source sos.ms.gov (October 2026) to check
Annual report No feeofficial source sos.ms.gov (October 2026) to check
State fees across three years $50Our sum of the rows above

Add the filing fee, the reports for years two and three and any minimum tax to reproduce the last row. Costs with no set amount, such as a newspaper notice, are left out.

Quick answers

Is the EIN application included?

Budget $99 for Mississippi Registered Agent.co or $99 for Registered Agent MS.org to get an EIN, and nothing extra at Mainstay Filing.

What is the three-year cost of each?

Totals to compare: Mainstay Filing at $597, Mississippi Registered Agent.co at $397, Registered Agent MS.org at $397, and state fees are separate.

What sources do you use?

Official Mississippi sources back the state side and company pricing backs the service side, all dated.

Do I need to hire a service?

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

Yearly state costs?

Put the annual report on your calendar (no fee, annual). Be ready for the state's deadline: April 15; calendar it now.

Who is your first choice in Mississippi?

Mainstay Filing leads on filing jobs included, ahead of Mississippi Registered Agent.co and Registered Agent MS.org.

Sources and price pages

  1. Mississippi Secretary of State, Business: confirmed August 2026 using sos.ms.gov
  2. Mississippi Secretary of State, Business: confirmed August 2026 using sos.ms.gov
  3. Mississippi yearly filing: Annual report: confirmed October 2026 using sos.ms.gov
  4. Miss: confirmed August 2026 using sos.ms.gov
  5. Mississippi registered agent statute: confirmed October 2026 using sos.ms.gov
  6. Mainstay Filing, Mississippi service page: prices as of November 13, 2026
  7. Mississippi Registered Agent.co, pricing page: prices as of November 13, 2026
  8. Registered Agent MS.org, pricing page: prices as of November 13, 2026