Plain and short · Missouri
3 Best Foreign Registration Services in Missouri (2026): Simply Ranked
At a glance
- Registration fee
- $105
- Certificate from home?
- Yes, attach (60 day age limit)
- After registering
- No report
- Ranked first
- Missouri Registered Agent.co, Mainstay Filing then MO Registered Agent.org
Missouri, ranked
Why this order? The checks are explained here.1. Missouri Registered Agent.co: best for one extra state
Register for $199. Agent renewal $99
Missouri Registered Agent.co ranks first in Missouri. Registration costs $199 over the state fee, agent covered in year one, then $99 a year.
It costs less than Mainstay Filing over three years. Cost carries the most weight.
Includes
- Missouri registration filing
- Agent for year one
Good
- $199 over the state fee
- No agent charge in year one
- Agent renews at $99
Against
- The home state needs its own agent
2. Mainstay Filing: best for registering in many states
Register for $199. Agent renewal $149
Mainstay Filing ranks second. Year one of the registered agent is free, and registering costs $199 above the state's charge, with renewal at $149.
Missouri Registered Agent.co is $100 less over three years. That decides the order.
From year two the registered agent renews at $149.
Includes
- The registration filing
- Registered agent, free in year one
- One fee for all fifty states
Good
- $199 plus Missouri's fee
- The same fee in every state
- The first agent year is covered
Against
- $50 more a year for the agent
3. MO Registered Agent.org: best for one more state only
Register for $199. Agent renewal $99
Third place: MO Registered Agent.org, since registration costs $199 over the state fee, agent covered in year one, then $99 a year.
Its prices match Missouri Registered Agent.co exactly. The order between them is close.
Includes
- Missouri registration filing
- Agent for year one
Good
- $199 over the state fee
- No agent charge in year one
- Agent renews at $99
Against
- The home state needs its own agent
Prices
| # | Company | Start | After year one | Total | Covers | |
|---|---|---|---|---|---|---|
| 1 | Missouri Registered Agent.co | $199 | $99/yr | $397 | missouri registration filing; agent for year one | View Missouri Registered Agent.coPartner link. We may earn money if you buy. |
| 2 | Mainstay Filing | $199 | $149/yr | $497 | the registration filing; registered agent, free in year one; one fee for all fifty states | View Mainstay FilingPartner link. We may earn money if you buy. |
| 3 | MO Registered Agent.org | $199 | $99/yr | $397 | missouri registration filing; agent for year one | View MO Registered Agent.orgPartner link. We may earn money if you buy. |
Key questions
When must an out-of-state LLC register?
An LLC formed elsewhere registers with the Missouri Secretary of State, Corporations Division, then begins business in Missouri.
Skipping registration can bring it cannot sue in Missouri courts until it registers (RSMo 347.163.1).
from dor.mo.gov, October 2026, kept short
How much to register?
$105 to the state. $199 more if someone files for you.
Over three years state fees reach $105, counting any recurring report. from sos.mo.gov, October 2026, kept short
Which form, and where?
You submit one form, the Application for Registration of a Foreign Limited Liability Company (Form LLC 4), to the Missouri Secretary of State, Corporations Division.
Include certificate of good standing/existence from the home state no older than 60 days.
What is due after registering?
Nothing is filed on a schedule.
What put the first pick first?
Missouri Registered Agent.co scores best on three-year cost, which is 38% of the score.
Five checks: three-year cost (38%), work included (27%), readable pricing (13%), renewal steadiness (11%) and state coverage (11%).
Side by side, Missouri Registered Agent.co saves $100, finishing at $397 for three years.
Missouri: registering a foreign LLC
| Requirement | Rule or amount | Source |
|---|---|---|
| Registration fee | $105 | from sos.mo.gov, October 2026, kept short |
| Home-state certificate | Yes, attach, 60 days | from dor.mo.gov, October 2026, kept short |
| Three-year state total | $105 | The rows above, added |
Questions
Do I still need an agent at home?
Yes, in most cases. A provider active in every state, such as Mainstay Filing, can cover home and this state together.
What do the picks cost over three years?
Across three years: Missouri Registered Agent.co at $397, Mainstay Filing at $497, MO Registered Agent.org at $397, before state fees.
Are the fees official?
State fees come from Missouri's official documents. Service prices come from each company's price page. Both are dated here.
Does the law require one?
No. Owners may file directly. A service saves time and can act as agent.
Does a service file it for me?
Yes. Every pick files it, and the state fee is the same for all.
Which foreign registration service should I use in Missouri?
Missouri Registered Agent.co ranks first. $199 files the registration, and the agent renews at $99. After it, Mainstay Filing and MO Registered Agent.org.
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
- Charter Simple keeps Missouri Secretary of State, Corporations on file from sos.mo.gov, confirmed October 2026, and nothing more
- Charter Simple keeps Form LLC 4, foreign LLC on file from sos.mo.gov, confirmed October 2026, and nothing more
- Charter Simple keeps RSMo 347.153, registration of foreign on file from revisor.mo.gov, confirmed October 2026, and nothing more
- Charter Simple keeps RSMo 347.163, transacting business and on file from revisor.mo.gov, confirmed October 2026, and nothing more
- Charter Simple keeps Missouri Department of Revenue, business on file from dor.mo.gov, confirmed October 2026, and nothing more
- The Missouri Registered Agent.co pricing page, on November 13, 2026
- The Mainstay Filing Missouri service page, on November 13, 2026
- The MO Registered Agent.org pricing page, on November 13, 2026