3 Best Foreign Registration Services in Mississippi (2026) for You
In 2026, we rank Mainstay Filing ($199), Registered Agent MS.org ($199) and Mississippi Registered Agent.co ($199), in that order, as the foreign registration services for Mississippi. Mississippi charges $250 to register, and service fees add $397 to $497 over three years.
By the LLC Answered editorial team
The brief reply
Short reply
Fee at the state
$250
Proof from home?
It is required (180 days old at the most)
What comes next
$250, Foreign LLC annual report
Our ranking
Mainstay Filing, Registered Agent MS.org then Mississippi Registered Agent.co
Service fees only, from each company's prices on November 13, 2026. State fees are identical whichever you pick.
The questions, one by one
Is my LLC obliged to register here?
An LLC from another state registers with the Mississippi Secretary of State, Business Services ahead of transacting business in Mississippi.
An unregistered LLC may face it may not sue in Mississippi courts until it registers (Miss. Code Ann. 79-29-1013(1)); an added daily charge of $10.
sos.ms.gov, last confirmed October 2026, official site
What are the fees to register?
State: $250. Service: $199 on top.
Over three years the state's total is $750. sos.ms.gov, last confirmed October 2026, official site
What gets submitted?
You file the Application for Registration of Foreign Limited Liability Company (Filing F0200), and the Mississippi Secretary of State, Business Services receives it.
Attach certificate of good standing or existence not older than 180 days.
Is there a recurring filing?
Foreign LLC annual report: $250.
The due date reads: April 15.
How did you rank them?
It comes down to paperwork covered, where Mainstay Filing does best.
The two heavy tests are three-year price (36%) and paperwork covered (29%); three lighter tests follow.
With two states involved, a provider for every state beat Registered Agent MS.org.
sos.ms.gov, last confirmed October 2026, official site
Good standing proof
It is required, 180 days
sos.ms.gov, last confirmed October 2026, official site
Foreign LLC annual report
$250
sos.ms.gov, last confirmed October 2026, official site
State fees, first three years
$750
Computed from the rows
To get the three-year number we add the formation filing, two later reports and any minimum tax, and we do not count costs without a fixed price.
Other questions
Is one agent enough for both states?
You still need one at home. Mainstay Filing works in both states, while a local company works in one.
How do the three-year totals compare?
Totals: Mainstay Filing at $497, Registered Agent MS.org at $397, Mississippi Registered Agent.co at $397, with state fees on top.
What is behind the figures?
State side: Mississippi's published fee schedules and forms. Service side: the prices each company lists.
Does the law require a service?
Not at all. Owners can file with the state directly; a service is there to save you the work and to act as agent.
Who submits the registration?
Yes, filing is part of what each of these companies sells, and the state fee is a constant.
Who is your first choice in Mississippi?
Mainstay Filing leads because $199 on top of the state fee gets you registered, with the registered agent free in year one and $149 a year afterward; Registered Agent MS.org and Mississippi Registered Agent.co come next.