Registered agent price index · Missouri
3 Best Registered Agents in Missouri (2026): Price Index
Index basis: Highest index first. Cost carries 38% and coverage 32% (the full basis)
The Missouri tally
The Missouri index
1. Missouri Registered Agent.co: best for the smallest yearly agent bill
Index leaderBest value in Missouri is Missouri Registered Agent.co: $99 a year with an in-state street address on file.
A three-year subtotal below Mainstay Filing earns line one.
Line includes
- A local registered office
- Service of process, scanned and posted
Credits
- Yearly line under the national one
- $99 a year, unchanged at renewal
Debits
- A new state needs a new agent
2. Mainstay Filing: best for a price that never changes by state
The bundleMainstay Filing indexes second. The entries: the same $149 yearly price in all fifty states.
Three years total $150 more than Missouri Registered Agent.co.
Line includes
- A street address inside the state
- Three government mailings a year, scanned at no cost
- Serves nonprofits, corporations, LPs and LLPs along with LLCs
Credits
- Flat $149 per year
- One price in all fifty states
Debits
- Priced $50 higher annually
- You still handle the reports
3. MO Registered Agent.org: best for one more in-state address
Missouri focusNext on the ledger: MO Registered Agent.org, with $99 a year with an in-state street address on file.
On price alone it is a tie with Missouri Registered Agent.co.
Line includes
- A local registered office
- Service of process, scanned and posted
Credits
- Yearly line under the national one
- $99 a year, unchanged at renewal
Debits
- A new state needs a new agent
What each line costs, year by year
| Line | Provider | Total, year 1 | Total, year 2 | Total, year 3 | Total, year 5 | |
|---|---|---|---|---|---|---|
| 1 | Missouri Registered Agent.co | $99 | $198 | $297 | $495 | Visit Missouri Registered Agent.coPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $149 | $298 | $447 | $745 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | MO Registered Agent.org | $99 | $198 | $297 | $495 | Visit MO Registered Agent.orgPartner link. We may earn money if you buy. |
Subtotal calculator
State fees, with citations
| Entry | Amount | Cited from |
|---|---|---|
| Filing the LLC | $50 | sos.mo.gov (read October 2026) per the state |
| Three-year state subtotal | $50 | Computed from the lines above |
What settled the order
The deciding column for Missouri was three-year cost index (38% of the index), where Missouri Registered Agent.co led.
Missouri Registered Agent.co subtotals $297 after three years, $150 below Mainstay Filing.
Official Missouri registered agent requirements (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. (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.
Official wording: revisor.mo.gov (read October 2026) per the state
The state-fees-only line
The no-service choice costs nothing extra for an eligible owner. What the lines above sell is time, at $99 to $149 a year.
Price questions
How much does a Missouri registered agent charge each year?
From $99 to $149 a year on this ledger.
What do three years of agent service cost?
Year one plus two renewals comes to $297 to $447.
Does Missouri require a registered agent for every LLC?
Yes. Every LLC must name a registered agent with an in-state street address.
May I serve as my own registered agent?
Yes, once both rules above are met.
What does the state collect from the LLC every year?
No report fee.
When does one line pass another in total cost?
No crossover point inside ten years.
Which registered agent indexes best in Missouri?
Top to bottom, the Missouri ledger reads Missouri Registered Agent.co, Mainstay Filing and MO Registered Agent.org.
Source lines
- Line for RSMo 347.037: revisor.mo.gov, August 2026.
- Line for Missouri formation fee: Filing fee: sos.mo.gov, October 2026.
- Line for Missouri registered agent statute: revisor.mo.gov, October 2026.
- Price input, Missouri Registered Agent.co pricing page, taken November 13, 2026
- Price input, Mainstay Filing Missouri service page, taken November 13, 2026
- Price input, MO Registered Agent.org pricing page, taken November 13, 2026