In brief
To form an LLC in Mississippi, file the Certificate of Formation (Form F0100) with the Mississippi Secretary of State and pay the $50 state fee[2]. It must name a registered agent with a Mississippi address.
Mainstay Filing does the Mississippi filing for $199 a year; the state's $50 is added at cost[1].
- State filing fee
- $50
- Form
- Form F0100
- Filed with
- Mississippi Secretary of State
- Registered Agent required
- Yes
- Periodic report
- Yearly, $0
- Other states’ fees
- 3 lower, 40 higher
Updated October 29, 2026. State fees from official sources.
The steps to form a Mississippi LLC
The order below is the order most filers follow. The state filing is the only step with a Mississippi fee attached.
- Pick a name the state will accept. It has to be distinguishable from names already on the Mississippi register and include an LLC designator. The Mississippi Secretary of State has a name search on its website[3].
- Line up the registered agent. The filing lists who receives legal papers for the company. Mississippi allows 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.[4]
- File the Certificate of Formation (Form F0100). Submit it to the Mississippi Secretary of State with the $50 fee[2].
- Put the owners' terms in writing. An operating agreement records who owns what share and who manages the company. The Mississippi filing itself does not include it.
- Get an EIN from the IRS. Banks and payroll providers ask for it. The application is made to the IRS, separately from the Mississippi filing, and the IRS charges nothing.
- Mark the report deadline. Mississippi LLCs file the Annual Report every year ($0)[5]. The deadline: April 15[5].
Two ways to file
With Mainstay Filing, the Mississippi filing is prepared and submitted for you. Its price is $199 a year plus the state's $50[1], and that yearly price also covers the registered agent, the EIN application and every Annual Report.
Doing it yourself means filing the Form F0100 with the Mississippi Secretary of State and paying $50, plus any card or portal charge the agency adds.
New business filings in Mississippi
Mississippi logged 52,467 business applications in 2025 by the Census Bureau's count, 17.76 for every 1,000 residents. From January through Sep 2026 there were 50,522, against 38,872 in the same months of 2025.
These are IRS employer-ID applications, so they include sole proprietors and corporations as well as LLCs. Mississippi does not publish a comparable monthly LLC count.
What it costs to form an LLC in Mississippi
At $50, Mississippi's fee is below the 50-state median of $100. Among the other states, 3 states charge less and 40 charge more.
| Item | Amount | Source |
|---|---|---|
| State filing fee | $50 | [2] sos.ms.gov, updated October 29, 2026 |
| Annual Report | $0 every year | [5] sos.ms.gov, updated October 29, 2026 |
| Filing service, Mainstay Filing | $199 a year plus state fees | [1] Mainstay Filing, updated October 29, 2026 |
| Registered agent service (if hired) | $149 a year at Mainstay Filing; $0 to $249 first year elsewhere | 8 other services' published prices, updated October 29, 2026 |
Only the state fee is required. Naming yourself or another qualified person as registered agent costs nothing in state fees.
| State | LLC filing fee | Periodic report |
|---|---|---|
| Alabama | $236 | None |
| Arkansas | $45 | $150 yearly |
| Louisiana | $125 | $35 yearly |
| Tennessee | $300 | $300 yearly |
Same source set as above, one statute or fee schedule per state, verified August 12, 2026.
The form and where it goes
The formation document in Mississippi is the Certificate of Formation (Form F0100). It is filed with the Mississippi Secretary of State[2].
The statute that governs it reads, in part:
In order to form a limited liability company, a certificate of formation must be signed and delivered to the Office of the Secretary of State.
Miss. Code Ann. § 79-29-201 (Revised Mississippi Limited Liability Company Act)[2].
Once the Mississippi Secretary of State accepts the filing, the LLC exists and its record, including the registered agent details, appears in the state's public business search.
Questions
How much does it cost to form an LLC in Mississippi?
The state fee is $50 for the Certificate of Formation (Form F0100)[2]. After that, the Annual Report costs $0 every year.
Do I need a registered agent to form an LLC in Mississippi?
Yes. The formation filing names one. Serving personally is open to any owner who lives in Mississippi and has a qualifying address.
Can a service file the Mississippi LLC for me?
Yes. Mainstay Filing prepares and files Mississippi LLCs for $199 a year plus the $50 state fee[1]. That also covers its registered agent service, the EIN application and the Annual Report, at the same price each year.
Who files the formation document in Mississippi?
The Mississippi Secretary of State. Its website: www.sos.ms.gov/.
Sources
- Mainstay Filing pricing, registered agent and FAQ pages. Updated October 29, 2026.
- Miss. Code Ann. § 79-29-201 (Revised Mississippi Limited Liability Company Act); filing fee set by Miss. Code Ann. § 79-29-1203(1)(d). www.sos.ms.gov/content/documents/pol_res/llcs/1revisedLLCact.pdf. Updated October 29, 2026.
- Mississippi Secretary of State. www.sos.ms.gov/. Updated October 29, 2026.
- Miss. Code Ann. § 79-35-1 et seq. (Mississippi Registered Agents Act — enacted MoRAA, effective Jan. 1, 2013); see also Miss. Code Ann. § 79-29-113 (LLC Act — registered office and registered agent). www.sos.ms.gov/business-services-external-affairs/registered-agents. Updated October 29, 2026.
- Mississippi Secretary of State, Business Services Division: Annual Report rules and fee. www.sos.ms.gov/business-services/annual-reports. Updated October 29, 2026.
- U.S. Census Bureau, Business Formation Statistics (state annual and monthly series). www.census.gov/econ/bfs/index.html. Updated October 29, 2026.