Skip to your options
Price Your LLC Budget for your LLC before you pay for it.

What a registered agent costs by state / Missouri

3 Best Registered Agents in Missouri (2026): What You Pay

When you shop for registered agents in Missouri for 2026, the order to follow is MO Registered Agent.org ($99/yr), Mainstay Filing ($149/yr) and Missouri Registered Agent.co ($99/yr). Plan on $99 to $149 for year one and $297 to $447 for three years.
Written by the Price Your LLC editorial team

↓ Ranked for you by: Ranking = 38% what you spend + 31% work covered + three smaller factors (details)

Budget snapshot

The state's rule for you Yes revisor.mo.gov (we looked on October 2026, so you can too)
Your first-year spend $99 to $149 You pay each year
Total after 3 years $297 to $447 Three years of service fees
When one overtakes another No crossover Order holds for ten years

Missouri: your options, best value first

Options sit in value order, with prices taken from company pages. State fees are the same whoever serves as agent.

1
Start here

1. MO Registered Agent.org: best for a single state to cover

Starts at $99 and renews at $99
You pay in year 1 $99
You pay at renewal $99/yr
You pay over 3 years $297

MO Registered Agent.org ranks first. One state, $99 a year, $99 once it renews.

On the heaviest factor, what you spend over three years, it beats Mainstay Filing.

Your price covers

  • A physical in-state office
  • Legal documents posted to your account

What you get

  • $99 a year, no change at renewal
  • Undercuts Mainstay Filing every year

What to watch

  • Expanding means finding a new agent
2
Takes the most off your plate

2. Mainstay Filing: best for owners who may expand

Starts at $149 and renews at $149
You pay in year 1 $149
You pay at renewal $149/yr
You pay over 3 years $447

Option 2 is Mainstay Filing. $149 a year, $149 at renewal, and one account for every state.

MO Registered Agent.org costs you $150 less over three years, enough to rank higher.

Your price covers

  • An office address inside the state
  • Up to three government mailings a year, scanned for you free
  • Covers LLCs, corporations, LPs, LLPs and nonprofits

What you get

  • $149 every year
  • One account for any state

What to watch

  • A yearly difference of $50
  • Does not file the yearly report
3
In-state company

3. Missouri Registered Agent.co: best for keeping your agent in state

Starts at $99 and renews at $99
You pay in year 1 $99
You pay at renewal $99/yr
You pay over 3 years $297

Option 3 is Missouri Registered Agent.co. One state, $99 a year, $99 once it renews.

Its prices match MO Registered Agent.org's exactly.

Your price covers

  • A physical in-state office
  • Legal documents posted to your account

What you get

  • Undercuts Mainstay Filing every year
  • $99 a year, no change at renewal

What to watch

  • Expanding means finding a new agent

Totals at 1, 2, 3 and 5 years

Pick Service You pay in year 1 You pay by year 2 You pay by year 3 You pay by year 5
1 MO Registered Agent.org $99 $198 $297 $495 Price out MO Registered Agent.org Partner link. We may earn money if you buy.
2 Mainstay Filing $149 $298 $447 $745 Price out Mainstay Filing Partner link. We may earn money if you buy.
3 Missouri Registered Agent.co $99 $198 $297 $495 Price out Missouri Registered Agent.co Partner link. We may earn money if you buy.

Company prices from November 13, 2026, added up for you year by year. No service overtakes another within ten years.

Try your own timeline

Your totals for 1 to 5 years. State fees are left out because every service owes the same ones.

At 3 years, your totals are MO Registered Agent.org $297, Mainstay Filing $447, Missouri Registered Agent.co $297. The best total here is MO Registered Agent.org.

Missouri fee list

What you pay for Amount Source
Formation charge $50 sos.mo.gov (we looked on October 2026, so you can too)
State fees summed, years 1 to 3 $50 Lines added together

Your three-year bill from the state is made of the filing fee, the reports due in years two and three, and a yearly minimum tax in states that levy one. Anything the state does not put a fixed price on, a newspaper notice for example, is described but never added.

What settled it

Your three-year spend put MO Registered Agent.org first. That factor is 38% of the ranking, and upkeep the price covers, year-two surprise, where the bills cross and price you can see make up the remainder.

Three years with MO Registered Agent.org add up to $297, saving you $150 over Mainstay Filing.

What Missouri requires of your registered agent (Missouri Secretary of State)

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 law is RSMo 347.030.

The address has to be a physical street address in Missouri. A P.O. box can be listed only together with a street address.

Straight from the source: revisor.mo.gov (we looked on October 2026, so you can too)

What it costs without a service

You lose nothing by acting as your own registered agent if you qualify. The services listed bill $99 to $149 a year for the in-state address.

Quick answers

How much will a Missouri registered agent cost me per year?

These agents charge $99 to $149 per year.

What do three years of agent service cost?

$297 to $447 across the services, not counting state fees.

Do I have to have a registered agent for a Missouri LLC?

Yes, you do. Every LLC must name a registered agent with an in-state street address.

Can I be my own registered agent?

Yes, when you qualify under the rules listed here.

What will the state charge my LLC each year?

Missouri does not ask for a yearly report.

When does one service end up costing more than another?

They keep one order for ten years.

Which registered agent is the best value for me in Missouri?

Start with MO Registered Agent.org, then Mainstay Filing, then Missouri Registered Agent.co.

Keep budgeting

What a registered agent costs by state for all 50 states Best registered agents for anyone How we rank your options

Where we looked

  1. Want to double-check RSMo 347.037? Try revisor.mo.gov, last read August 2026.
  2. Want to double-check Missouri formation fee: Filing fee? Try sos.mo.gov, last read October 2026.
  3. Want to double-check Missouri registered agent statute? Try revisor.mo.gov, last read October 2026.
  4. MO Registered Agent.org pricing page, as we saw it on November 13, 2026
  5. Mainstay Filing Missouri service page, as we saw it on November 13, 2026
  6. Missouri Registered Agent.co pricing page, as we saw it on November 13, 2026