LLC price index · Missouri
3 Best LLC Services in Missouri (2026): Price Index
Index basis: Weighted index: cost over three years counts 38%, coverage per dollar 32%
Ledger summary
The indexed ledger
1. Missouri Registered Agent.co: best for the smallest first bill
Leads the indexMissouri Registered Agent.co holds the first line: $199 to start, year-one agent service included, and $99/yr from year two.
A three-year subtotal below Mainstay Filing earns line one.
Line includes
- Formation filing, prepared and sent
- Agent service in year one
Credits
- $199 added to the state fee
- Agent renews at $99
- The first agent year is included
Debits
- The EIN application is not included ($99)
2. Mainstay Filing: best for one bill instead of two
The bundleMainstay Filing indexes second. The entries: a flat $199 each year covers the filing along with a year of registered agent service.
Its subtotal runs $200 above Missouri Registered Agent.co's over three years, and cost is 38% of the index.
Line includes
- The LLC filing
- Registered agent for the full year
- The EIN application
- State charges passed through untouched
Credits
- $199 in year two
- The EIN step is covered
- A flat $199 every year
Debits
- From year two it runs $100 above Missouri Registered Agent.co
- Missouri has no report to fold into the price
3. MO Registered Agent.org: best for another in-state filer
In-state lineLine 3 goes to MO Registered Agent.org: $199 to start, year-one agent service included, and $99/yr from year two.
On price alone it is a tie with Missouri Registered Agent.co.
Line includes
- Formation filing, prepared and sent
- Agent service in year one
Credits
- $199 added to the state fee
- The first agent year is included
- Agent renews at $99
Debits
- The EIN application is not included ($99)
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 | $199 | $298 | $397 | $595 | Visit Missouri Registered Agent.coPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $199 | $398 | $597 | $995 | Visit Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | MO Registered Agent.org | $199 | $298 | $397 | $595 | Visit MO Registered Agent.orgPartner link. We may earn money if you buy. |
Work it out
Official state charges
| Entry | Amount | Cited from |
|---|---|---|
| LLC formation fee | $50 | sos.mo.gov (read October 2026) per the state |
| Three-year state subtotal | $50 | Total of the above |
Why line one is line one
Three-year cost index settled line one. That column is 38% of the index; coverage per dollar, renewal step, crossover year and price transparency make up the rest.
Missouri Registered Agent.co subtotals $397 after three years, $200 below Mainstay Filing.
Add the EIN application and Missouri Registered Agent.co becomes the lower subtotal from year 2.
Official Missouri LLC filing fee and requirements
What to file: the Articles of Organization (Form LLC-1). Where: the Missouri Secretary of State. How much: $50. Every LLC must name a registered agent with an in-state street address.
Source text: sos.mo.gov (read October 2026) per the state
The no-service line
The cost of filing it yourself: $50 to the state across three years. Service subtotals of $397 to $597 are what you pay to avoid the forms.
Common questions
How much does LLC formation service cost in Missouri?
$199 for the service, $50 for the state.
What is the three-year subtotal for these services?
Service subtotals run $397 to $597 over three years.
What fee does Missouri charge to file an LLC?
$50 at the state, using the Articles of Organization (Form LLC-1).
What does Missouri charge after the first year?
Report fees are zero.
Does any line include the EIN application?
It depends on the line: Missouri Registered Agent.co ($99), Mainstay Filing (included) and MO Registered Agent.org ($99).
When does one line pass another in total cost?
The lines do not cross in the first ten years.
Which LLC formation service indexes best in Missouri?
Top to bottom, the Missouri ledger reads Missouri Registered Agent.co, Mainstay Filing and MO Registered Agent.org.
Source lines
- RSMo 347.037. Source revisor.mo.gov; confirmed August 2026.
- Missouri formation fee: Filing fee. Source sos.mo.gov; confirmed October 2026.
- Missouri registered agent statute. Source revisor.mo.gov; confirmed October 2026.
- Ledger input from the Missouri Registered Agent.co pricing page, November 13, 2026
- Ledger input from the Mainstay Filing Missouri service page, November 13, 2026
- Ledger input from the MO Registered Agent.org pricing page, November 13, 2026