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Missouri
Straight talk · Missouri
3 Best LLC Services in Missouri (2026), No Fluff
If you need LLC formation services in Missouri in 2026, here's the order we'd go in: Mainstay Filing ($199), MO Registered Agent.org ($199) and Missouri Registered Agent.co ($199). Here's the money: $50 to the state, $397 to $597 to a service across three years.
Straight from the LLC Straight Talk editorial team
Last updated November 13, 2026
Who pays the bills: LLC Straight Talk is reader-supported. We may earn money when you buy through links on this page, and the companies we rank are our partners. Prices come from each company's own pages and official state sources.
The short of it
The short of it
State fee
$50, one time
After that
No report
Registered agent
Yes, you have to
Our pick
Mainstay Filing, MO Registered Agent.org then Missouri Registered Agent.co
Missouri: our ranking
Prices come from each company's own page. Here's how we judge .
#1
Our top pick
1. Mainstay Filing: best for formation and agent for one price
$199 yearly ($249 at signup, state fee included)
You pay $199 yearly and get the filing and the registered agent along with the EIN application. That's why Mainstay Filing is first.
Here's the catch: MO Registered Agent.org costs $200 less over three years, but it only works in Missouri.
What you get
Your formation filing, taken care of Registered agent for a whole year EIN application State fees at cost
Pluses
The EIN application's included $199 yearly, everything listed Year two's $199
What's not
MO Registered Agent.org renews for $100 less Nothing recurring in Missouri for it to handle
#2
Missouri specialist
2. MO Registered Agent.org: best for a business that never leaves one state
$199 to form, $99 a year after
It starts at $199 with the first agent year thrown in, and from year two you pay $99. That puts MO Registered Agent.org second.
What you get
Missouri formation filing Agent service covered for year one
Pluses
Agent renews at $99 $199 plus the state fee to form The first agent year's included
What's not
The EIN application costs $99 extra
#3
Missouri specialist
3. Missouri Registered Agent.co: best for another in-state choice
$199 to form, $99 a year after
It starts at $199 with the first agent year thrown in, and from year two you pay $99. That puts Missouri Registered Agent.co third.
It charges what MO Registered Agent.org charges.
What you get
Missouri formation filing Agent service covered for year one
Pluses
The first agent year's included Agent renews at $99 $199 plus the state fee to form
What's not
The EIN application costs $99 extra
The numbers
# Company First year Then 3 years Covers
1
Mainstay Filing $199 $199/yr $597 your formation filing, taken care of; registered agent for a whole year; EIN application
Go to Mainstay Filing
Partner link. We may earn money if you buy.
2
MO Registered Agent.org $199 $99/yr $397 missouri formation filing; agent service covered for year one
Go to MO Registered Agent.org
Partner link. We may earn money if you buy.
3
Missouri Registered Agent.co $199 $99/yr $397 missouri formation filing; agent service covered for year one
Go to Missouri Registered Agent.co
Partner link. We may earn money if you buy.
Read November 13, 2026. Three years is year one plus two renewals.
The questions that matter
How much do I need to start an LLC in this state?
Figure $50 for the state, plus $199 if you hire help in year one.
Across three years the state collects $50, filing fee included. go check sos.mo.gov , last confirmed October 2026
Which form do I file, and where?
The Missouri Secretary of State takes the Articles of Organization (Form LLC-1). Once it approves, you've got a company.
Do I have to name a registered agent?
Every LLC must name a registered agent with an in-state street address.
A Missouri resident, or a corporation authorized in Missouri, whose business office is the registered office.
go check revisor.mo.gov , last confirmed October 2026
What do I owe after that?
Nothing recurs on the report side, because Missouri doesn't ask for one.
Do I have to pay somebody?
You can. Skip the service and your three-year bill is the state's $50.
Hiring help costs $397 to $597 more across three years.
Why this order?
Mainstay Filing scores best on jobs the price actually covers, and that test is worth 30%.
Two tests carry most of the weight: money out the door in three years (35%) and jobs the price actually covers (30%).
It's still ahead on what the price covers, but by less than in a state with a yearly report.
How we judge
What Missouri requires to form an LLC
What The rule or the number Check it
Fee to form
$50 go check sos.mo.gov , last confirmed October 2026
Registered agent
Yes, you have to go check revisor.mo.gov , last confirmed October 2026
State fees, years one to three
$50 Our sum of the rows above
The last row is our math, not the state's: filing fee, plus the reports in years two and three, plus any minimum tax. If a cost has no fixed amount, like a newspaper notice, it's explained above and left out.
Jargon on this page
Articles of organization A short state form, sent in with a fee, that starts the company. Get a detail wrong and fixing it later can cost you an amendment fee.
Registered agent The person or company your LLC names to take lawsuits and official state mail on its behalf, using a street address in the state where the LLC is registered.
Annual report The regular update you send the state about your LLC's address, agent and managers. Miss it and the LLC can lose good standing.
Still wondering?
Is the EIN application included?
Only Mainstay Filing throws it in. At the others it's $99 (MO Registered Agent.org) and $99 (Missouri Registered Agent.co).
What do the picks cost over three years?
Over three years you're looking at $597 at Mainstay Filing, $397 at MO Registered Agent.org, $397 at Missouri Registered Agent.co, before state fees.
Are the fees official?
Each state fee links to its official page, and each service price comes from the company's own site.
Is a service required?
Not required. The state takes filings from owners.
What does the LLC owe every year?
Nothing recurs on the report side, because Missouri doesn't ask for one.
Who should I use for a LLC service in Missouri?
Mainstay Filing is first: the price doesn't climb at renewal ($199), and it pays for formation and the registered agent. Then comes MO Registered Agent.org and Missouri Registered Agent.co.
Don't take our word for it
Where RSMo 347.037 comes from: revisor.mo.gov , confirmed August 2026, and you can go look yourself
Where Missouri formation fee: Filing fee comes from: sos.mo.gov , confirmed October 2026, and you can go look yourself
Where Missouri registered agent statute comes from: revisor.mo.gov , confirmed October 2026, and you can go look yourself
Mainstay Filing Missouri service page, read November 13, 2026
MO Registered Agent.org pricing page, read November 13, 2026
Missouri Registered Agent.co pricing page, read November 13, 2026