How to Get a Registered Agent in Missouri (2026): 6 Steps and the 3 Best Agents
Here is the 2026 answer for a registered agent in Missouri: Missouri Registered Agent.co ($99 a year), MO Registered Agent.org ($99 a year) and Mainstay Filing ($149 a year), ranked in that order. Then come 6 steps, one rule at a time.
A Missouri resident, or a corporation authorized in Missouri, whose business office is the registered office. Law: RSMo 347.030.
Step3
Step 3: Use a qualifying address
The address has to be a physical street address in Missouri. A P.O. box can be listed only together with a street address.
TipEach pick supplies the in-state address for you.
Step4
Step 4: Decide who takes the role
Serving yourself is allowed when you qualify; hiring one of our picks runs $99 to $149 yearly.
Step5
Step 5: Record the agent with the state
The agent's name and address go into the Articles of Organization (Form LLC-1) when you form. To switch later, file a change with the Missouri Secretary of State.
Without a Missouri report to file, the agent appointment is the item to watch.
Missouri agent costs
Item
Payee
Amount
Registered agent service
Service company
$99 to $149 a year
From year two
Service company
$99 to $149 a year
State amounts come from Missouri's official schedules (see References). The three-year state line adds the filing, the reports due in years two and three and any yearly minimum tax.
Why Missouri Registered Agent.co comes first
On three-year cost, which carries 30%, Missouri Registered Agent.co scored above MO Registered Agent.org.
Missouri Registered Agent.co wins the cost grade: $297 for three years against $150 more with Mainstay Filing.
Check your understanding
Do I need a registered agent in Missouri?
Yes. Every LLC must name a registered agent with an in-state street address.
Can I be my own registered agent?
You can, as long as you qualify under steps 2 and 3.
Can I change my registered agent later?
Yes; the Missouri Secretary of State takes the change filing.
What does a registered agent cost in Missouri?
Expect $99 to $149 a year.
What does the LLC pay the state each year?
No yearly report fee.
Which registered agent would you choose?
Missouri Registered Agent.co, MO Registered Agent.org and Mainstay Filing, ranked in that order.