LLC Review Desk's 2026 picks for registered agents in Maryland, favorite first, are Maryland Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and MD Registered Agent.org ($99 a year). Maryland Registered Agent.co is our favorite, because it focuses on Maryland at $99 a year and gives you an in-state street address for the registered office.
By the LLC Review Desk editorial team
Position 1
Our top pick
1. Maryland Registered Agent.co: best for the smallest yearly price on this list
$99 a year, the same each year
Our score
9.6out of 10
9.6 out of 10
Our favorite is Maryland Registered Agent.co, because you pay a flat $99 a year, and papers served on the company are scanned into your account.
Maryland Registered Agent.co lists its own in-state street address as your company's registered office and scans served legal papers for you.
Over three years it costs less than Mainstay Filing, and cost is one of our two biggest criteria.
In the price
A state street address listed as your registered office
You open served legal papers online as scans
What we like
A $99 yearly plan that stays steady
Mainstay Filing charges more each year
Forms LLCs too, and the first agent year is free
Trade-offs
The Business Entity Annual Report is a job that stays with you
Built for Maryland; other states need another agent
Coming in second is Mainstay Filing, because you pay $149 a year whether you stay in one state or grow, and your first three government letters each year are scanned free.
Starting from scratch? The $199 yearly package adds the Maryland filing and the annual report.
Maryland Registered Agent.co is $150 cheaper over three years, so Mainstay Filing comes second on cost.
In the price
A registered office street address wherever you need one
No-charge scans of served papers on the day they arrive
Free scans of your first three government letters each year
Compliance reminders
What we like
$149 a year and it stays flat
Same-business-day scans of papers served on the company, no charge
Fine for LLCs, corporations, LPs, LLPs and nonprofits
Your first three government letters each year, scanned for free
Trade-offs
The agent plan alone is $50 a year more than Maryland Registered Agent.co
Unless you buy the formation package, you file the annual report yourself
3. MD Registered Agent.org: best for Maryland specialists
$99 a year, the same each year
Our score
9.3out of 10
9.3 out of 10
In third place is MD Registered Agent.org, because you pay a flat $99 a year, and papers served on the company are scanned into your account.
MD Registered Agent.org lends your company a street address in the state for its registered office, and papers served on the company are scanned into your account.
MD Registered Agent.org mirrors Maryland Registered Agent.co on price and features, so the two are very close.
In the price
An in-state address on the public record
Served documents get scanned and sit in your online account
What we like
Formation comes with a free first agent year
Costs less a year than Mainstay Filing
$99 yearly, no change at renewal
Trade-offs
The Business Entity Annual Report is a job that stays with you
Built for Maryland; other states need another agent
The 10-point scores are ours. They come from the criteria on How we rank and don't use customer ratings.
What Maryland registered agents cost in 2026: year one, renewals and three years
Service
First year
Second year
Third year
Three-year total
Same price when you renew
Maryland Registered Agent.co
$99
$99
$99
$297
Yes
Mainstay Filing
$149
$149
$149
$447
Yes
MD Registered Agent.org
$99
$99
$99
$297
Yes
We took each price from the company's own pages on November 12, 2026. Maryland's own fees stay the same no matter which agent you choose.
How the order came together
In Maryland, three-year cost decided the order. If you're curious about the weights, three-year cost is 29%, filings in the price is 29% and renewal price, state fit and up-front totals share 42%.
Maryland Registered Agent.co comes to $297 over three years, which is $150 less than Mainstay Filing. If you only need an agent in Maryland, fifty-state reach doesn't help much, so the lower yearly price won.
You can read every criterion and weight on How we rank.
What Maryland says about the resident agent (via the State Department of Assessments and Taxation (SDAT))
Every LLC must name a registered agent with an in-state street address. The address has to be a Maryland address on file with the State Department of Assessments and Taxation; P.O. boxes are not accepted. The LLC also keeps a principal office in Maryland. The law: Md. Code, Corps. & Ass'ns § 1-101(x).
The Maryland Business Entity Annual Report: when and how much
Here's the schedule: the Business Entity Annual Report is due every year in Maryland, by April 15. It costs $300. Reminders from the state go to your resident agent.
Your questions about Maryland registered agents
Do I really need a resident agent for a Maryland LLC?
You do. Maryland won't accept an LLC without a resident agent who has a street address in the state, and that name goes on the public record.
What do Maryland registered agents usually cost per year?
Plan on $99 to $149 a year, and each service keeps its price when you renew.
Can I be my own resident agent?
Sometimes, if you meet the state's rules. A Maryland resident, or a Maryland corporation, LLC or limited partnership.
When do I have to send in the Maryland Business Entity Annual Report?
Mark April 15 on your calendar. The state's charge is $300.
Which registered agents did we review here?
Maryland Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and MD Registered Agent.org ($99 a year), with our favorite first.
Who is the best registered agent for Maryland?
Maryland Registered Agent.co, because it's $99 a year, and the price stays put at renewal, the smallest yearly price among these picks.