The essentials · Missouri
3 Best LLC Services in Missouri (2026): Simply Ranked
At a glance
- State fee
- $50, one time
- Afterward
- No report
- Registered agent
- Yes, it is required
- Our pick
- MO Registered Agent.org, Mainstay Filing then Missouri Registered Agent.co
Ranked in Missouri
The order follows five checks. Three-year cost comes first, then what the price covers. See method.1. MO Registered Agent.org: best for staying local
$199 plus the state fee, then $99 a year
MO Registered Agent.org ranks first in Missouri. It opens at $199, first agent year included, and renews at $99.
Three years cost less here than at Mainstay Filing, and cost weighs most.
Includes
- Missouri formation filing
- Agent for year one
Good
- A free agent year at the start
- $199 plus the state fee to form
- Agent renews at $99
Against
- EIN not included ($99)
2. Mainstay Filing: best for formation and agent, one price
Annual price $199, renewal price $199. State fee extra
Mainstay Filing takes second place because the yearly $199 covers the filing and the registered agent, and the EIN application.
It ranks lower because three years cost $200 more than MO Registered Agent.org, and cost has the largest weight.
Includes
- LLC formation, filed
- Registered agent for a year
- EIN application
- State fees at cost
Good
- A flat $199 a year
- EIN handled
- Renews at $199
Against
- Renews $100 higher than MO Registered Agent.org
- Fewer jobs covered here
3. Missouri Registered Agent.co: best for single-state companies
$199 plus the state fee, then $99 a year
Missouri Registered Agent.co ranks third. It opens at $199, first agent year included, and renews at $99.
Its prices match MO Registered Agent.org exactly. The order between them is close.
Includes
- Missouri formation filing
- Agent for year one
Good
- A free agent year at the start
- Agent renews at $99
- $199 plus the state fee to form
Against
- EIN not included ($99)
Side by side
| # | Name | Year one | After year one | Total | Includes | |
|---|---|---|---|---|---|---|
| 1 | MO Registered Agent.org | $199 | $99/yr | $397 | missouri formation filing; agent for year one | Go to MO Registered Agent.orgPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $199 | $199/yr | $597 | LLC formation, filed; registered agent for a year; EIN application | Go to Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | Missouri Registered Agent.co | $199 | $99/yr | $397 | missouri formation filing; agent for year one | Go to Missouri Registered Agent.coPartner link. We may earn money if you buy. |
Key questions
How much to start an LLC in this state?
The state charges $50. A service adds $199 in year one.
Over three years the state collects $50, filing included. from sos.mo.gov, October 2026, kept short
What do I file?
You submit one filing, the Articles of Organization (Form LLC-1), to the Missouri Secretary of State.
from sos.mo.gov, October 2026, kept short
Must the LLC name a registered agent?
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.
from revisor.mo.gov, October 2026, kept short
What comes after formation?
Missouri asks for no report. Nothing repeats.
Can I file it myself?
Yes. Your three-year bill is the state's $50.
Services charge $397 to $597 over three years for the paperwork and the agent.
What put the first pick first?
MO Registered Agent.org wins on three-year cost. That check carries 38%.
Two checks carry most of the weight: three-year cost (38%) and work included (27%).
Mainstay Filing runs $200 higher over three years than MO Registered Agent.org's $397.
Missouri: forming an LLC
| Item | Detail | Confirm |
|---|---|---|
| LLC filing fee | $50 | from sos.mo.gov, October 2026, kept short |
| Registered agent | Yes, it is required | from revisor.mo.gov, October 2026, kept short |
| Three-year state total | $50 | The rows above, added |
Questions
Is the EIN application included?
Add-on prices for the EIN application: $99 from MO Registered Agent.org, $99 from Missouri Registered Agent.co. Mainstay Filing includes it.
What are the three-year totals?
MO Registered Agent.org is $397, while Mainstay Filing is $597, while Missouri Registered Agent.co is $397, with state fees on top.
Where do the figures come from?
Every state fee links to its official page. Every service price comes from the company's own site.
Must I use a service?
No law requires a service. It is a paid convenience.
What does the LLC owe yearly?
Missouri asks for no report. Nothing repeats.
Which ranks first in Missouri?
MO Registered Agent.org, because its $99 renewal makes three years $397. Then Mainstay Filing and Missouri Registered Agent.co.
Sources
- Charter Simple keeps RSMo 347.037 on file from revisor.mo.gov, confirmed August 2026, and nothing more
- Charter Simple keeps Missouri formation fee: Filing fee on file from sos.mo.gov, confirmed October 2026, and nothing more
- Charter Simple keeps Missouri registered agent statute on file from revisor.mo.gov, confirmed October 2026, and nothing more
- The MO Registered Agent.org pricing page, on November 13, 2026
- The Mainstay Filing Missouri service page, on November 13, 2026
- The Missouri Registered Agent.co pricing page, on November 13, 2026