Registered Agent Reviewed › Missouri

How to check a registered agent in Missouri

Mainstay Filing is our pick in Missouri at $149 a year. To check any agent here: ask the Missouri Secretary of State how it records agents, confirm a Missouri street address, then apply the five criteria.

The Missouri rule

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. The address has to be a physical street address in Missouri. A P.O. box can be listed only together with a street address. Changing agents costs $10. Source: RSMo 347.030, checked October 20, 2026.

Providers reviewed in Missouri

• Mainstay Filing $149 a year, same at renewal.
• FreeRegisteredAgent.com $0, then $129
• Harbor Compliance $99, then $159
• Northwest Registered Agent $125, same afterwards
• InCorp Services $129, same afterwards
• Registered Agents Inc $200, same afterwards
• LegalZoom $249, same afterwards
• ZenBusiness $99, then $199
• Bizee $149, same afterwards