LLC service ratings · Missouri
3 Best LLC Services in Missouri (2026)
1. MO Registered Agent.org: best for a Missouri LLC that will not expand
$199 to form, $99 a year for the agent, state fee extra
MO Registered Agent.org is rated first: $199 to form, state fee on top, then $99 a year for the agent.
The plan lists an in-state street address as the registered office and scans papers served there into your account.
On three-year sums it comes out ahead of Mainstay Filing.
What you get
- Missouri formation filed for you
- Registered agent service for year one
Pros
- Year-two agent amount: $99
- The first registered agent year is covered
- Formation line of $199, plus the state's fee
Trade-offs
- EIN application billed at $99
2. Missouri Registered Agent.co: best for staying local in Missouri
$199 to form, $99 a year for the agent, state fee extra
Missouri Registered Agent.co is rated second: $199 to form, state fee on top, then $99 a year for the agent.
The plan lists an in-state street address as the registered office and scans papers served there into your account.
MO Registered Agent.org and Missouri Registered Agent.co list identical amounts and plan features, so the ratings are close and either is a fair pick.
What you get
- Missouri formation filed for you
- Registered agent service for year one
Pros
- Agent line of $99 from year two
- A $199 formation amount before the state fee
- Registered agent service for year one is included
Trade-offs
- EIN application billed at $99
3. Mainstay Filing: best for one all-in yearly line
$199 a year plus the state fee, $249 due at checkout
Mainstay Filing is rated third: $199 covers the Missouri formation and a year as registered agent, EIN application included.
With no yearly LLC report in Missouri, the renewal line after year one is the registered agent alone (the first-year bundle also carried the EIN application).
MO Registered Agent.org is $200 cheaper on the three-year sum, and that lowers Mainstay Filing's cost rating.
What you get
- Your formation paperwork, handled
- Your registered agent through the year
- EIN application
Pros
- One $199 yearly line
- Missouri's fee goes through at cost
- $199 on renewal with no extras
- EIN application is in the package
Trade-offs
- Agent renews $100 a year above MO Registered Agent.org
- Missouri has no yearly report, so the bundle adds less
The 3 ratings summarized
| Line | Service | Rating | Service fee | Year two | Best for | Open |
|---|---|---|---|---|---|---|
| 1 | MO Registered Agent.org | 9.5 | $199 | $99/yr | A Missouri-only LLC counting every dollar | Visit MO Registered Agent.orgPartner link. We may earn money if you buy. |
| 2 | Missouri Registered Agent.co | 9.1 | $199 | $99/yr | A Missouri-only LLC counting every dollar | Visit Missouri Registered Agent.coPartner link. We may earn money if you buy. |
| 3 | Mainstay Filing | 8.9 | $199 | $199/yr | Formation and agent on one line | Visit Mainstay FilingPartner link. We may earn money if you buy. |
Missouri LLC service amounts for 2026: year one, renewal and three-year sum
| Service | Year one | Year two | Year three | Three-year sum | EIN application |
|---|---|---|---|---|---|
| MO Registered Agent.org | $199 | $99 | $99 | $397 | $99 add-on |
| Missouri Registered Agent.co | $199 | $99 | $99 | $397 | $99 add-on |
| Mainstay Filing | $199 | $199 | $199 | $597 | Included |
Why the order looks like this
Weights: 27% cost over years one to three, 27% inclusions per price, 46% shared by renewal price and terms, fit with state rules and price clarity. Cost over years one to three decided Missouri.
MO Registered Agent.org sums to $397 across three years, $200 below Mainstay Filing. Missouri has no yearly LLC report, so the bundle adds less and the lower renewal decided the order.
Each criterion and its weight is listed on How we rank.
Missouri LLC formation: official amount and form
Filing the Articles of Organization (Form LLC-1) costs $50, paid to the Missouri Secretary of State. Each service here passes that amount through at cost, added to its own.
Ongoing items for a Missouri LLC
Missouri sets no yearly LLC report. Every LLC must name a registered agent with an in-state street address.
Missouri LLC service: your questions
What are the total costs to form an LLC in Missouri?
$50 to the state plus $199 to the service.
What is the formation document called?
It is the Articles of Organization (Form LLC-1), lodged with the Missouri Secretary of State.
Is a registered agent a requirement for a Missouri LLC?
Yes. Missouri wants a registered agent on file at all times, with a physical street address in the state.
Which filings recur each year for a Missouri LLC?
No line items: Missouri has no yearly LLC report.
Is the EIN application a separate charge?
Mainstay Filing includes it in the yearly price. MO Registered Agent.org and Missouri Registered Agent.co charge $99 separately. At the IRS the EIN itself costs nothing.
Which LLC service holds the top rating in Missouri?
MO Registered Agent.org, as $199 plus the Missouri filing fee, first-year registered agent service included, then $99 a year.
Source lines
- RSMo 347.037 (ledger date August 2026)
- Missouri formation fee: Filing fee, official source (ledger date October 2026)
- Missouri registered agent statute (ledger date October 2026)
- MO Registered Agent.org, pricing and service pages: amounts read November 12, 2026
- Missouri Registered Agent.co, pricing and service pages: amounts read November 12, 2026
- Mainstay Filing, Missouri service page: amounts read November 12, 2026