Start here
Formation fee
$50, a single payment
Every year after
Nothing to file yearly
Registered agent
Yes, by law
Where to start
MO Registered Agent.org, Missouri Registered Agent.co then Mainstay Filing
Where to start in Missouri
Want to know why this order? See how we rank .
#1
Start here
1. MO Registered Agent.org: best for a lean launch
$199 plus the state fee, then $99 a year
Why MO Registered Agent.org first? Because $199 forms the LLC, and the agent renews each year at $99.
Compare the three-year totals: it lands under Mainstay Filing, and cost is the check we weigh most.
Checklist: what is included
The LLC, filed for you First-year agent
What works
Year two onward: $99 Starts at $199 over the state fee First-year agent service is covered
#2
Missouri only
2. Missouri Registered Agent.co: best for owners who do their own reports
$199 plus the state fee, then $99 a year
Missouri Registered Agent.co follows since $199 forms the LLC, and the agent renews each year at $99.
MO Registered Agent.org charges the same, so this is nearly a tie.
Checklist: what is included
The LLC, filed for you First-year agent
What works
First-year agent service is covered Starts at $199 over the state fee Year two onward: $99
#3
National coverage
3. Mainstay Filing: best for a yearly cost you can predict
$199 per year, renewing at $199
In third place, Mainstay Filing, where the yearly $199 pays for the filing and the registered agent, with the EIN application covered too.
A $200 three-year difference to MO Registered Agent.org explains the lower rank.
Checklist: what is included
State filing handled Registered agent year-round EIN application State fee with no markup
What works
You pay $199 again next year Applies for your EIN as part of the package $199 a year with no add-ons needed
Gaps
A $100 annual premium compared with MO Registered Agent.org No report filing to include in the price
The table
Prices as of November 13, 2026; the state's own fees are listed in the checklist below.
The key questions
How much should I budget to form an LLC here?
Set aside $50 for the filing and $199 for help.
By the end of year three, you will have paid the state $50. sos.mo.gov , confirmed October 2026, official source
Who receives the filing?
When the Missouri Secretary of State approves the Articles of Organization (Form LLC-1), your LLC exists.
sos.mo.gov , confirmed October 2026, official source
Do I have to list a registered agent on the filing?
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.
revisor.mo.gov , confirmed October 2026, official source
What does upkeep involve?
Report cost: none.
Can I file it myself instead of hiring a service?
Nothing stops you from filing yourself. Then your three-year cost is $50 in state fees.
Choosing a service raises your three-year cost by $397 to $597.
Why is the list in this order?
Total for three years (37% of the score) is where MO Registered Agent.org does best.
Five checks set the order: total for three years (37%), filing jobs included (27%), clear price information (13%), year-two price (12%) and state coverage (11%).
$397 for three years at MO Registered Agent.org is $200 under Mainstay Filing.
Read the method
Missouri: formation requirements, cited
The final row is a sum that we calculated, not a figure printed by the state: filing, two reports and any minimum tax.
Terms to know for this guide
Registered agent Your LLC's official recipient for lawsuits and state mail: a person or company with a street address in the state.
Annual report A regular state check-in that keeps your LLC in good standing; timing and fees vary.
More questions
What about the EIN?
Budget $99 for MO Registered Agent.org or $99 for Missouri Registered Agent.co to get an EIN, and nothing extra at Mainstay Filing.
How do the three-year costs compare?
Three-year costs: MO Registered Agent.org, $397; Missouri Registered Agent.co, $397; Mainstay Filing, $597 for the services alone.
Where do you get the fees?
For state costs we use Missouri's published fee schedules and forms. For service costs we use each company's price page.
Do I have to use a service?
No. A service charges for labor and the agent role, not for anything the state demands.
Yearly state costs?
Which one do you recommend in Missouri?
Choose MO Registered Agent.org first, then compare Missouri Registered Agent.co and Mainstay Filing.
Verify these facts
August 2026 check of RSMo 347.037, via revisor.mo.gov
October 2026 check of Missouri formation fee: Filing fee, via sos.mo.gov
October 2026 check of Missouri registered agent statute, via revisor.mo.gov
Pricing from the MO Registered Agent.org pricing page, November 13, 2026
Pricing from the Missouri Registered Agent.co pricing page, November 13, 2026
Pricing from the Mainstay Filing Missouri service page, November 13, 2026