Rank1
Top pick on this page
1. Missouri Registered Agent.co: best for the smallest yearly fee on this list
$99 yearly, unchanged
Editor score9.5out of 10
Missouri Registered Agent.co takes the top spot because the plan is $99 a year, flat, and papers served on the company reach you as online scans.
Missouri Registered Agent.co stands in as the company's registered office, so there is a real in-state street address, and each legal paper served is scanned and sent to you.
The three-year bill is where it beats Mainstay Filing, and that criterion has the most weight along with coverage.
In the price
- A state street address on file as the registered office
- Scans of legal papers served on the company, kept in your account
Good
- Also files LLC formations, agent year one included
- A lower yearly price than Mainstay Filing
- $99 yearly with no change at renewal
Watch for
- Made for Missouri; another state needs a different agent
MO Registered Agent.org makes the list at number two because the plan is $99 a year, flat, and papers served on the company reach you as online scans.
The registered office address comes from MO Registered Agent.org, which keeps a street address in the state, and papers served on the company arrive in your account as scans.
MO Registered Agent.org matches Missouri Registered Agent.co on price and features, so this pair is a near tie.
In the price
- A state street address on file as the registered office
- Scans of legal papers served on the company, kept in your account
Good
- A lower yearly price than Mainstay Filing
- $99 a year, and it stays put at renewal
- Can form the LLC and cover year one as agent
Watch for
- Made for Missouri; another state needs a different agent
Rank3
Best all-in coverage
3. Mainstay Filing: best for all fifty states
$149 yearly, unchanged
Editor score8.9out of 10
Mainstay Filing makes the list at number three because one agent plan at $149 a year that keeps its price at renewal and scans papers served on the company the same business day for free.
Missouri Registered Agent.co undercuts it by $150 across three years, which leaves Mainstay Filing second on cost.
In the price
- An in-state street address on the public record
- Legal papers served on the company scanned and uploaded the same business day at no charge
- The first three letters from government offices each year, scanned at no charge
- Compliance reminders
Good
- $149 a year, and it holds at renewal
- Papers served on the company are scanned the same business day at no charge
- Free scans of three government letters each year
- Takes LLCs, corporations, LPs, LLPs and nonprofits
Watch for
- The agent alone is $50 a year more than Missouri Registered Agent.co
- Annual report filing sits with the formation package, not the agent plan
The 3 picks side by side
Each number out of 10 is our own mark, drawn from the weighted criteria on How we rank, and not a customer rating.
Missouri registered agent pricing in 2026: first year, renewals, three-year total
Every price comes from the company's own pages as of November 12, 2026. Missouri's own fees stay the same whichever agent you pick.
Why Missouri Registered Agent.co is first
Filing Shortlist puts 28% of the weight on three-year price and 28% on what the price covers. The remaining 44% goes to renewal terms, fit for the state and price clarity, and for Missouri the deciding factor was three-year price.
Missouri Registered Agent.co adds up to $297 over three years, which is $150 below Mainstay Filing. A company with a Missouri agent need gains little from fifty-state reach, so the smaller yearly price settled it.
Every criterion and weight is set out on How we rank.
Missouri registered agent rules from Missouri Secretary of State
Every LLC must name a registered agent with an in-state street address. The address has to be a physical street address in Missouri. A P.O. box can be listed only together with a street address. Statute: RSMo 347.030.
What Missouri expects after you appoint an agent
Missouri does not ask for a yearly LLC report. What remains is keeping a registered agent on record, since the state sends its notices there.
Common questions about Missouri registered agents
Does the company need to name a registered agent in Missouri?
It does. Missouri wants each LLC to name a registered agent with a street address inside the state, and that name stays on the public record.
How much do agents in Missouri charge per year?
Yearly prices span $99 to $149, and each company holds its price at renewal.
Can the owner be the registered agent?
Yes, if you meet the state's conditions. A Missouri resident, or a corporation authorized in Missouri, whose business office is the registered office.
Which registered agents made this shortlist?
Missouri Registered Agent.co ($99 a year), MO Registered Agent.org ($99 a year) and Mainstay Filing ($149 a year), listed from the top pick down.
What does a registered agent actually do?
The registered agent is the company's official contact for lawsuits, subpoenas and state notices. It accepts them and forwards them, and each plan here scans them into your online account.
Which Missouri registered agent makes the shortlist first?
Missouri Registered Agent.co, because it charges $99 a year, the same at renewal, the smallest yearly price on this list.