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Founder Primer

LLC paperwork, boiled down for founders.

Primer 3 · Maryland

Foreign LLC Registration in Maryland (2026): 5 Moves and the 3 Best Services

Our order for registering an LLC from another state in Maryland, 2026, is Maryland Registered Agent.co ($199), Mainstay Filing ($199) and MD Registered Agent.org ($199). First, do you need to register? Then 5 moves and a $100 fee.
From the Founder Primer desk

At a glance

State fee to register
$100
Source page mgaleg.maryland.gov, October 2026
Home-state certificate
60 days
Must be issued within
Upkeep filing
$300
Business Entity Annual Report and Personal Property Return, Form 1
State fees, three years
$700
Registration, reports, any minimum tax
Moves in this primer
5
In order

After this primer

  • Whether Maryland registration applies to you
  • The filing, its fee and its office
  • The upkeep that repeats
  • How the picks compare

If you want someone else to file

Five weighted criteria set the order (see how we score); three-year cost and to-dos cleared count most.

Best overall $199 plus state fee, then $99/yr

1. Maryland Registered Agent.co: best for a cheap Maryland filing

Maryland Registered Agent.co gets the top mark in Maryland: $199 service fee, $99 a year for the Maryland agent.

Mainstay Filing costs more across three years, so this service takes first.

Inside the price
  • Registration filing
  • One year of agent service
In its favor
  • A free first agent year
  • Agent renews at $99
  • $199 to register
Against it
  • No help in other states
Most work done for you $199 plus state fee, then $149/yr

2. Mainstay Filing: best for a second state and more

Number 2 is Mainstay Filing, where service fee $199, plus Maryland's fee; the agent is $149 a year from year two.

Maryland Registered Agent.co is $100 lower over three years, which keeps this one out of first.

Year two onward, the agent runs $149 annually, and that holds in every state.

Inside the price
  • We prepare and file the registration
  • All fifty states
In its favor
  • Same fee in every state
  • $199 to register
Against it
  • Agent renews at $149, $50 above Maryland Registered Agent.co
One-state plan $199 plus state fee, then $99/yr

3. MD Registered Agent.org: best for registering in Maryland only

MD Registered Agent.org takes third; $199 service fee, $99 a year for the Maryland agent.

It costs the same as Maryland Registered Agent.co.

Inside the price
  • Registration filing
  • One year of agent service
In its favor
  • A free first agent year
  • Agent renews at $99
  • $199 to register
Against it
  • No help in other states

Comparing the services

# Service First year From year two Three-year total
1 Maryland Registered Agent.co $199 $99/yr $397 Visit Maryland Registered Agent.co Partner link. We may earn money if you buy.
2 Mainstay Filing $199 $149/yr $497 Visit Mainstay Filing Partner link. We may earn money if you buy.
3 MD Registered Agent.org $199 $99/yr $397 Visit MD Registered Agent.org Partner link. We may earn money if you buy.

Posted prices, read November 13, 2026. The $100 state fee is not in these figures.

The Maryland registration, in order

  1. Move 1

    When registration is required

    If your out-of-state LLC does business in Maryland, register as a foreign LLC first. Without registration: Its own claims have to wait until it registers (4A-1007(a)). Its contracts remain enforceable (4A-1007(b)).

    Where this comes from: Source page mgaleg.maryland.gov, October 2026

  2. Move 2

    Get the home-state certificate

    Maryland requires written proof of existence from the home state, equivalent to a certificate of good standing, from the past 60 days.

    Time it so the certificate is recent at filing.

  3. Move 3

    Name the Maryland resident agent

    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.

    Our picks cover this.

    Where this comes from: Source page mgaleg.maryland.gov, October 2026

  4. Move 4

    Submit the Limited Liability Company Registration (For non-Maryland Limited Liability Company)

    The registration is the Limited Liability Company Registration (For non-Maryland Limited Liability Company) plus $100, addressed to the Maryland State Department of Assessments and Taxation (SDAT), Charter Division.

    Where this comes from: Source page mgaleg.maryland.gov, October 2026

  5. Move 5

    Stay registered

    The repeat item is the Business Entity Annual Report and Personal Property Return, Form 1 at $300, April 15.

What each move costs in Maryland

Cost item Payee Amount
Filing to register Paid to the state $100
Business Entity Annual Report and Personal Property Return, Form 1 Paid to the state $300
Paid help The service $199 in the first year
State fees, years one to three Paid to the state $700

We get the three-year state number by adding the filing, the reports due in years two and three and any yearly minimum tax. Service fees stay separate.

The logic behind the order

edged out on founder outlay over three years, worth 27%.

Maryland Registered Agent.co costs $397 for years one to three; Mainstay Filing costs $100 more.

Maryland questions

What will it cost to register a foreign LLC in Maryland?

$100 at the state office. Service fees: $199.

Which form do I file to register?

Find the Limited Liability Company Registration (For non-Maryland Limited Liability Company), which goes to the Maryland State Department of Assessments and Taxation (SDAT), Charter Division.

Do I need a certificate from my home state?

Yes: written proof of existence from the home state, equivalent to a certificate of good standing, issued within 60 days of filing.

What if the LLC does business there without registering?

Its own claims have to wait until it registers (4A-1007(a)). Its contracts remain enforceable (4A-1007(b)).

What is due after registering?

Move 5 has it: the Business Entity Annual Report and Personal Property Return, Form 1 for $300.

Which service should handle the registration?

Our order: Maryland Registered Agent.co, Mainstay Filing and MD Registered Agent.org. Maryland Registered Agent.co leads because $199 on top of the state fee, then $99 a year.

Keep reading

Sources, so you can check us

  1. Backup for the Maryland State Department of Assessments and Taxation section: dat.maryland.gov, read August 2026.
  2. Backup for the Maryland State Department of Assessments and Taxation section: dat.maryland.gov, read August 2026.
  3. Backup for the Maryland report due date section: dat.maryland.gov, read August 2026.
  4. Backup for the Md section: mgaleg.maryland.gov, read August 2026.
  5. Backup for the Maryland formation fee: Filing fee, official source section: mgaleg.maryland.gov, read October 2026.
  6. Backup for the Maryland formation fee: Filing fee, official source section: egov.maryland.gov, read October 2026.
  7. Backup for the Maryland registered agent statute section: mgaleg.maryland.gov, read October 2026.
  8. Backup for the Maryland Business Express section: egov.maryland.gov, read October 2026.
  9. Backup for the Corporations and Associations § 4A-1002, registration section: mgaleg.maryland.gov, read October 2026.
  10. Backup for the Corporations and Associations § 4A-1009, activities that are section: mgaleg.maryland.gov, read October 2026.
  11. Backup for the Corporations and Associations § 4A-1007, effect of not section: mgaleg.maryland.gov, read October 2026.
  12. Backup for the Tax-Property § 11-101, annual report section: mgaleg.maryland.gov, read October 2026.
  13. Pricing from Maryland Registered Agent.co (pricing page), November 13, 2026
  14. Pricing from Mainstay Filing (Maryland service page), November 13, 2026
  15. Pricing from MD Registered Agent.org (pricing page), November 13, 2026