Place1
Best hereMissouri Registered Agent.co
1. Missouri Registered Agent.co: best for a low Missouri agent renewal
Service fee $199 plus state fee; renewal $99/yr
Our mark9.4out of 10
Missouri Registered Agent.co earns first place with $199 over the state fee to register in Missouri, with the agent at $99 a year after that.
The plan covers an in-state street address for your registered office, with legal documents scanned and sent to you online.
Its edge over Mainstay Filing is cost, which carries the most weight in our scoring.
What you get
- The registration filing
- A year of registered agent service
Why pick it
- $199 plus the state's fee
- Low $99 agent renewal
- A year of registered agent service included
Less good
- Focused on Missouri; your home state needs its own agent
- $99 extra for the EIN application
Place2
Best for multi-state companiesMainstay Filing
2. Mainstay Filing: best for expanding companies
Service fee $199 plus state fee; renewal $149/yr
Our mark8.9out of 10
Number 2 is Mainstay Filing: it prepares and files the Missouri registration for $199 and names itself your registered agent, free for year one.
Its agent renews at $149 a year after the free first year, and the same price applies in every state you register in.
It costs $100 more than Missouri Registered Agent.co over three years, which is why it sits below it on our cost score.
What you get
- Registration prepared and filed
- Your registered agent, free for the first year
- Service of process scanned the same business day, no fee
Why pick it
- Fifty-state coverage
- Service of process scanned the same business day, no fee
- $199 service fee
- Registered agent free for the first year
Less good
- Renewal costs $50 more than Missouri Registered Agent.co
Place3
Best local optionMO Registered Agent.org
3. MO Registered Agent.org: best for a second Missouri option
Service fee $199 plus state fee; renewal $99/yr
Our mark8.6out of 10
MO Registered Agent.org comes third with $199 over the state fee to register in Missouri, with the agent at $99 a year after that.
The plan covers an in-state street address for your registered office, with legal documents scanned and sent to you online.
Prices and features match Missouri Registered Agent.co exactly, so the two are close to interchangeable.
What you get
- The registration filing
- A year of registered agent service
Why pick it
- A year of registered agent service included
- $199 plus the state's fee
- Low $99 agent renewal
Less good
- Focused on Missouri; your home state needs its own agent
- $99 extra for the EIN application
3 picks compared
| Rank | Service | Our score | Service fee | Year two | Best for | Link |
|---|
| 1 | Missouri Registered Agent.co | 9.4 | $199 | $99/yr | Lowest agent renewal on this list | Visit Missouri Registered Agent.coPartner link. We may earn money if you buy. |
|---|
| 2 | Mainstay Filing | 8.9 | $199 | $149/yr | Companies registered in several states | Visit Mainstay FilingPartner link. We may earn money if you buy. |
|---|
| 3 | MO Registered Agent.org | 8.6 | $199 | $99/yr | Lowest agent renewal on this list | Visit MO Registered Agent.orgPartner link. We may earn money if you buy. |
|---|
Each score is our editorial judgment out of 10 (see How we rank), not an average of customer ratings.
2026 prices: year one, renewal and three-year total cost
| Service | Year one | Year two | Year three | Three-year total | Agent in year one |
|---|
| Missouri Registered Agent.co | $199 | $99 | $99 | $397 | Included |
|---|
| Mainstay Filing | $199 | $149 | $149 | $497 | Free |
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| MO Registered Agent.org | $199 | $99 | $99 | $397 | Included |
|---|
Prices from each company's own pricing pages, read November 12, 2026. Add the $105 state fee to every row; it is not in these totals.
Why this order
Our method scores three-year cost (30%) and what one price covers (30%) most heavily, then renewal terms, fit for the state and price clarity. Here the order came down to three-year cost.
Missouri Registered Agent.co costs $397 over three years, $100 less than Mainstay Filing. Both include the first agent year, so the renewal price after that decided it.
Read the full criteria on our How we rank page.
Missouri foreign LLC registration (2026)
The filing is the Application for Registration of a Foreign Limited Liability Company (Form LLC 4), made with the Missouri Secretary of State, Corporations Division for a $105 fee. Missouri also wants certificate of good standing/existence from the home state, dated within 60 days.
Missouri has no yearly report for foreign LLCs.
What to have ready
- Certificate of good standing/existence from the home state, issued no more than 60 days before you file.
- The company's exact legal name as it appears in its home state, plus its formation date.
- A Missouri registered agent (any service here can serve).
- The $105 state fee, paid with the filing.
Risks of skipping registration
No lawsuits in state court until the company registers (RSMo 347.163.1). Its contracts stay valid (RSMo 347.163.2).
Missouri foreign registration service FAQ
Do I need to register my out-of-state LLC in Missouri?
Yes, if the company transacts business there. Until it registers it cannot bring a lawsuit in the state's courts.
How much does foreign registration cost in Missouri?
Budget $105 for the state and $199 for the service.
Which form does the state use?
The Application for Registration of a Foreign Limited Liability Company (Form LLC 4), filed with the Missouri Secretary of State, Corporations Division.
Do I need a certificate from my home state?
Yes: certificate of good standing/existence from the home state, dated within 60 days of filing.
Do I need a registered agent after registering?
Yes. Every LLC must name a registered agent with an in-state street address.
Which foreign registration service is best in Missouri?
Missouri Registered Agent.co ranks first on our method: a $199 service fee for the Missouri registration and a $99 agent renewal.
Official sources and price pages
- RSMo 347.037: revisor.mo.gov/main/OneSection.aspx?section=347.037, checked August 2026
- Missouri formation fee: Filing fee, official source: www.sos.mo.gov/CMSImages/Business/fees.pdf, checked October 2026
- Missouri registered agent statute: revisor.mo.gov/main/OneSection.aspx?section=347.030, checked October 2026
- Missouri Secretary of State, Corporations: www.sos.mo.gov/business/corporations, checked October 2026
- Form LLC 4, foreign LLC registration: www.sos.mo.gov/CMSImages/Business/llc4.pdf, checked October 2026
- RSMo 347.153, registration of foreign LLCs: revisor.mo.gov/main/OneSection.aspx?section=347.153, checked October 2026
- RSMo 347.163, transacting business and penalties: revisor.mo.gov/main/OneSection.aspx?section=347.163, checked October 2026
- Missouri Department of Revenue, business registration: dor.mo.gov/taxation/business/registration/requirements.html, checked October 2026
- Missouri Registered Agent.co: pricing and service pages, read November 12, 2026
- Mainstay Filing: Missouri service page, read November 12, 2026
- MO Registered Agent.org: pricing and service pages, read November 12, 2026