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The Formation Desk

Rankings of registered agents, LLC formation and foreign registration services in all 50 states.

Registered agent picks · Maryland

3 Best Registered Agents in Maryland (2026)

The The Formation Desk call for registered agents in Maryland in 2026: Mainstay Filing ($149 a year), MD Registered Agent.org ($99 a year) and Maryland Registered Agent.co ($99 a year), in that order. Mainstay Filing takes the call: $149 a year, and it holds on renewal, with papers served on the company scanned the same business day for free.
Written by The Formation Desk editorial team
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Top pick on this page

1. Mainstay Filing: best for every state

$149 a year, and it holds on renewal

Editorial score 9.2 out of 10

The desk picks Mainstay Filing: $149 for a single agent plan that works in every state, $149 on renewal.

Haven't formed yet? Mainstay's $199-a-year package handles the Maryland filing and the annual report.

Over three years Mainstay runs $150 more than MD Registered Agent.org, and the desk thinks the wider coverage is worth it.

In the price

  • A registered office address in any state you file in
  • Free scans of service of process, uploaded the same business day
  • Free scans for the first three government mailings a year
  • Compliance reminders

Strengths

  • First three government mailings each year, scanned free
  • Works for LLCs, corporations, LPs, LLPs and nonprofits alike
  • $149 a year and it holds on renewal
  • Free scans of served papers on the same business day

Cons

  • $50 a year more than MD Registered Agent.org for agent service alone
  • On the agent plan you send in your own annual report
Visit Mainstay FilingPartner link. We may earn money if you buy. Mainstay Filing up close
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Best yearly price

2. MD Registered Agent.org: best for the lowest price per year on this list

$99 a year, and it holds on renewal

Editorial score 8.9 out of 10

Runner-up, MD Registered Agent.org: a Maryland specialist at $99 a year, with an in-state street address as the registered office.

MD Registered Agent.org gives the company an in-state street address as its registered office and scans papers served there to your account.

In the price

  • An in-state street address for the registered office
  • Legal papers served are scanned and kept in your online account

Strengths

  • $99 yearly, renewing at the same price
  • Formation includes a free first agent year
  • Yearly price below Mainstay Filing's

Cons

  • The Business Entity Annual Report is your job
  • Maryland only; you need another agent elsewhere
Visit MD Registered Agent.orgPartner link. We may earn money if you buy. MD Registered Agent.org up close
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Local Maryland agent

3. Maryland Registered Agent.co: best for Maryland companies

$99 a year, and it holds on renewal

Editorial score 8.6 out of 10

Third, Maryland Registered Agent.co: a Maryland specialist at $99 a year, with an in-state street address as the registered office.

Maryland Registered Agent.co takes the registered office role, using an in-state address and scanning what is served there.

The published prices and features do not separate MD Registered Agent.org from Maryland Registered Agent.co; take whichever you like.

In the price

  • A street address in the state on the public record
  • You get online scans of any papers served on the company

Strengths

  • Comes in under Mainstay Filing every year
  • Forms LLCs too, with the first agent year free
  • A $99 plan with no renewal hike

Cons

  • The Business Entity Annual Report is your job
  • Maryland only; you need another agent elsewhere
Visit Maryland Registered Agent.coPartner link. We may earn money if you buy. Maryland Registered Agent.co up close

The desk's 3 picks in brief

Pick Service Desk score Price a year Renewal Good for Visit
1 Mainstay Filing 9.2 $149 $149/yr One agent that covers every state Visit Mainstay FilingPartner link. We may earn money if you buy.
2 MD Registered Agent.org 8.9 $99 $99/yr The lowest yearly price we rank here Visit MD Registered Agent.orgPartner link. We may earn money if you buy.
3 Maryland Registered Agent.co 8.6 $99 $99/yr The lowest yearly price we rank here Visit Maryland Registered Agent.coPartner link. We may earn money if you buy.

A score out of 10 here is editorial judgment built on the criteria explained on How we rank, not an average of customer ratings.

What a Maryland registered agent costs in 2026: year one, renewal and the three-year bill

Service Year one Year two Year three Bill over three years Price holds on renewal
Mainstay Filing $149 $149 $149 $447 Yes
MD Registered Agent.org $99 $99 $99 $297 Yes
Maryland Registered Agent.co $99 $99 $99 $297 Yes

Every price here was read off the company's own pages on November 12, 2026. Maryland charges the same state fees whichever agent you name.

Behind the order

Here is the weighting: 33% for spend over three years, 33% for work the price removes, 34% spread over what renewal looks like, fit with the state and plain price display. In Maryland, work the price removes made the call.

Mainstay's agent plan brings more to the table: served papers are scanned the same business day for nothing, one price in all fifty states and three government mailings a year scanned free. MD Registered Agent.org is cheaper, and it was close.

The full criteria and weights are on How we rank.

Maryland resident agent rules straight from the State Department of Assessments and Taxation (SDAT) (official)

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 behind it: Md. Code, Corps. & Ass'ns § 1-101(x).

Maryland's Business Entity Annual Report: what it costs, when it is due, who gets the notice

Maryland LLCs send in the Business Entity Annual Report every year, due April 15. The state's fee is $300. Notices about it land with your resident agent.

Maryland registered agent: reader questions

Do you need a resident agent to run a Maryland LLC?

You do. Maryland wants a resident agent on file for every LLC, and the agent must have a street address in the state.

What should you expect to pay a Maryland registered agent?

Plan on $99 to $149 a year, and the price holds when it renews.

Could you serve as your own resident agent?

You can if the state's rules allow it. A Maryland resident, or a Maryland corporation, LLC or limited partnership.

When does the Maryland Business Entity Annual Report have to go in?

Get it in by April 15. The state's cut is $300.

Which registered agents did the desk rank here?

Mainstay Filing ($149 a year), MD Registered Agent.org ($99 a year) and Maryland Registered Agent.co ($99 a year), best pick first.

Who is our pick for registered agent in Maryland?

Mainstay Filing, since $149 a year for an agent that goes wherever the company does, plus the first three government mailings each year scanned free.

Read next

Where the numbers came from

  1. Maryland State Department of Assessments and Taxation, last checked August 2026
  2. Maryland State Department of Assessments and Taxation, last checked August 2026
  3. Maryland report due date, last checked August 2026
  4. Md. Code, Corporations & Associations sec. 4A-202, last checked August 2026
  5. Maryland formation fee: Filing fee, official source, last checked October 2026
  6. Maryland formation fee: Filing fee, official source, last checked October 2026
  7. Maryland registered agent statute), last checked October 2026
  8. Mainstay Filing: Maryland service page, as of November 12, 2026
  9. MD Registered Agent.org: pricing and service pages, as of November 12, 2026
  10. Maryland Registered Agent.co: pricing and service pages, as of November 12, 2026