Registered agent required
Yes
From revisor.mo.gov, October 2026
Registered agent guide · Missouri
Missouri Registered Agents (2026): State Rules, Fees and the 3 Best Agents
Short answer for Missouri: Missouri Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and MO Registered Agent.org ($99 a year), which is the sequence we would follow for a registered agent in 2026. With the state taking nothing yearly, plan the annual budget around the registered agent alone in Missouri.
Missouri state charges at a glance
1st
out of 50 states, measured on one year of state charges
The smaller the number, the less the state charges (equal totals). Every state compared
State charges, per year
$0
Repeating state charges after formation
Missouri: our recommendations
The order follows five published criteria. They are set out on the methodology page.
1. Missouri Registered Agent.co: best for Missouri-based owners
$99 a year ($99 on renewal)
First on the list is Missouri Registered Agent.co, since a plan for Missouri alone at $99 a year, with a renewal price of $99.
Cost settles this ranking: three years with this service cost less than three years with Mainstay Filing.
What the price buys
- Public record lists a Missouri office location
- Scans of any served papers appear in your online account
In its favor
- Its yearly price sits under Mainstay Filing's
- $99 annually
Against it
- Serves Missouri alone
2. Mainstay Filing: best for an agent wherever you register
$149 a year ($149 on renewal)
Mainstay Filing follows: a $149 agent plan that travels with the company into any new state.
The three-year bill is $150 larger than Missouri Registered Agent.co's, and cost is the heaviest of our criteria.
What the price buys
- An address inside the state, kept on file
- Anything served on the company is scanned and sent to you that business day, free of charge
- The first three letters from government agencies each year are scanned at no charge
- Also open to nonprofits, partnerships and corporations, not only LLCs
In its favor
- $149 yearly, the same at renewal
- Works in every state
Against it
- $50 a year more than Missouri Registered Agent.co
- It covers the agent role alone, so you send in the reports
3. MO Registered Agent.org: best for businesses based only in Missouri
$99 a year ($99 on renewal)
MO Registered Agent.org follows: a plan for Missouri alone at $99 a year, with a renewal price of $99.
On price it is level with Missouri Registered Agent.co.
What the price buys
- Public record lists a Missouri office location
- Scans of any served papers appear in your online account
In its favor
- $99 annually
- Its yearly price sits under Mainstay Filing's
Against it
- Serves Missouri alone
Prices side by side
| No. | Service | Yearly price | Renews at | Service charges, three years | |
|---|---|---|---|---|---|
| 1 | Missouri Registered Agent.co | $99 | $99/yr | $297 | Visit Missouri Registered Agent.coPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $149 | $149/yr | $447 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | MO Registered Agent.org | $99 | $99/yr | $297 | Visit MO Registered Agent.orgPartner link. We may earn money if you buy. |
Prices as published on November 12, 2026. Whichever agent you pick, Missouri collects the same.
Upkeep calculator
Each agent's price is combined with the state charges that repeat. Formation fees are not in the total.
Missouri next to the states ranked around it
| Place | State | Yearly state fees |
|---|---|---|
| 1st | Minnesota | $0 |
| 1st | Mississippi | $0 |
| 1st | Missouri | $0 |
| 1st | New Mexico | $0 |
| 1st | Ohio | $0 |
The full table is at Registered agent rules by state, with the smallest bills first.
What Missouri law requires of a registered agent
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 serve: A Missouri resident, or a corporation authorized in Missouri, whose business office is the registered office. (RSMo 347.030)
Missouri's recurring fees
Nothing is filed each year in Missouri; only the registered agent requirement continues.
The reasoning behind the order
Missouri Registered Agent.co moved ahead of Mainstay Filing on three-year service charge, a criterion weighted 34%.
At $297 for three years, $150 less than Mainstay Filing, Missouri Registered Agent.co wins on cost.
Missouri: common questions
Does every Missouri LLC need a registered agent?
Yes. Every LLC must name a registered agent with an in-state street address.
Who may act as the registered agent for Missouri LLCs?
A Missouri resident, or a corporation authorized in Missouri, whose business office is the registered office.
What is the yearly price of registered agent service for Missouri?
The agents on this page charge $99 to $149 a year.
What does the state itself charge an LLC each year?
Nothing. Missouri has no yearly report fee, so no state charge repeats.
Which registered agents are recommended on this page?
Missouri Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and MO Registered Agent.org ($99 a year), in order of preference.
Which registered agent is the best choice?
Missouri Registered Agent.co first, then Mainstay Filing and MO Registered Agent.org. What separates Missouri Registered Agent.co is three-year service charge.
Sources for this chapter
- Official page for RSMo 347.037: revisor.mo.gov, opened August 2026
- Official page for Missouri formation fee: Filing fee, official source: sos.mo.gov, opened October 2026
- Official page for Missouri registered agent statute: revisor.mo.gov, opened October 2026
- Official page for Missouri Secretary of State, Corporations Division: sos.mo.gov, opened August 2026
- Official page for Missouri Secretary of State, Corporations Division: sos.mo.gov, opened August 2026
- Official page for Minnesota yearly filing: Recurring filing, official source: revisor.mn.gov, opened October 2026
- Official page for Minnesota yearly filing: Recurring filing, official source: revisor.mn.gov, opened October 2026
- Official page for Mississippi Secretary of State, Business Services Division: sos.ms.gov, opened August 2026
- Official page for Mississippi Secretary of State, Business Services Division: sos.ms.gov, opened August 2026
- Official page for Mississippi yearly filing: Annual report: fee, official source: sos.ms.gov, opened October 2026
- Official page for New Mexico Secretary of State, Corporations and Business: sos.nm.gov, opened August 2026
- Official page for New Mexico Secretary of State, Corporations and Business: sos.nm.gov, opened August 2026
- Official page for Ohio Secretary of State: ohiosos.gov, opened August 2026
- Official page for Ohio Secretary of State: ohiosos.gov, opened August 2026
- The pricing page for Missouri Registered Agent.co, as published November 12, 2026
- The Missouri service page for Mainstay Filing, as published November 12, 2026
- The pricing page for MO Registered Agent.org, as published November 12, 2026