Missouri Registered Agent Guide (2026): Rules, Fees and the 3 Best Agents
In 2026 we'd hire Mainstay Filing ($149 a year), MO Registered Agent.org ($99 a year) and Missouri Registered Agent.co ($99 a year) for registered agent service in Missouri, in that order. No yearly report fee applies here; the registered agent is what you keep paying for.
Missouri registered agent requirements (official, Secretary of State)
Every LLC must name a registered agent with an in-state street 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.
Who may act as agent: A Missouri resident, or a corporation authorized in Missouri, whose business office is the registered office. Statute: RSMo 347.030.
Missouri LLC upkeep (2026)
Nothing is due to the state each year in Missouri, apart from keeping your registered agent current.
The reasoning
State filings covered is worth 30% of the score, and it put Mainstay Filing ahead of MO Registered Agent.org here.
Fifty-state coverage outscored MO Registered Agent.org on our method.
Questions
Does Missouri require a registered agent?
Yes. Every LLC must name a registered agent with an in-state street address.
Who can serve as the registered agent?
A Missouri resident, or a corporation authorized in Missouri, whose business office is the registered office.
How much does a registered agent cost in Missouri?
Expect $99 to $149 a year.
What does the LLC pay the state each year?
Nothing recurring: Missouri has no yearly LLC report fee.
Which registered agents are on this page?
Mainstay Filing ($149 a year), MO Registered Agent.org ($99 a year) and Missouri Registered Agent.co ($99 a year), from first to last.
Which registered agent would you pick?
Mainstay Filing first: $149 a year with the same price at renewal, and the plan works in all fifty states. Then MO Registered Agent.org and Missouri Registered Agent.co.