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Researched and written by the Launchwise Review editorial team
Launchwise Review

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

Launch guide · Maryland · foreign registration

3 Best Foreign Registration Services in Maryland (2026)

Researched and written by the Launchwise Review editorial team
For a 2026 launch in Maryland, Launchwise Review grades foreign registration services this way: Mainstay Filing ($199), Maryland Registered Agent.co ($199) and MD Registered Agent.org ($199). Mainstay Filing earns the top grade here: the Maryland registration costs $199, the first resident agent year is free, and later years are $149.
1
Best here

1. Mainstay Filing: best for founders working in several states

$199 for the service and the state fee besides; agent service is $149 a year from the second year

Our mark 9.2 out of 10

Top grade, Mainstay Filing: $199 beyond the state's fee in whichever state you enter, with year-one resident agent service free.

Once the free first year ends, the agent is $149 a year, in any state.

It runs $100 above Maryland Registered Agent.co across three years; the extra paperwork it handles is worth that to us.

In the price

  • Registration paperwork prepared and sent in
  • No-cost scanning of served papers within the same business day

Pros

  • Papers served on the company are scanned the same business day, free
  • One price in every state
  • $199 for the service, with the state fee added

Less good

  • The agent costs $149 a year after year one, $50 above Maryland Registered Agent.co
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing launch review
2
Low renewal

2. Maryland Registered Agent.co: best for companies adding only Maryland

Pay $199 plus the state fee, then $99 a year for the agent

Our mark 9.0 out of 10

Next up is Maryland Registered Agent.co: $199 beyond the state fee gets the company into Maryland, with the agent renewing at $99.

You get an in-state street address for the registered office, and any papers served on the company are scanned into your online account.

In the price

  • The registration filing
  • The first year of resident agent service

Pros

  • Free resident agent service in year one
  • A $199 service price plus the registration fee
  • $99 each year for the agent from year two

Less good

  • Maryland only; the home state needs its own agent
  • EIN application costs extra ($99)
Visit Maryland Registered Agent.coPartner link. We may earn money if you buy.
Read the Maryland Registered Agent.co launch review
3
Best for a Maryland-only company

3. MD Registered Agent.org: best for Maryland registrations only

$199 for the service and the state fee besides; agent service is $99 a year from the second year

Our mark 8.7 out of 10

Rounding out the list is MD Registered Agent.org: $199 beyond the state fee gets the company into Maryland, with the agent renewing at $99.

You get an in-state street address for the registered office, and any papers served on the company are scanned into your online account.

Nothing in the published price or features separates Maryland Registered Agent.co from MD Registered Agent.org; go with whichever you like.

In the price

  • The registration filing
  • One year of resident agent service to begin with

Pros

  • The first year as your resident agent is free
  • $199 covers the registration work, fees extra
  • $99 each year for the agent from year two

Less good

  • Maryland only; the home state needs its own agent
  • EIN application costs extra ($99)
Visit MD Registered Agent.orgPartner link. We may earn money if you buy.
Read the MD Registered Agent.org launch review

The 3 grades at a glance

Place Company Launch grade Service price Second year Best fit Go
1 Mainstay Filing 9.2 $199 $149/yr Founders opening a second state Visit Mainstay FilingPartner link. We may earn money if you buy.
2 Maryland Registered Agent.co 9.0 $199 $99/yr The lowest agent renewal on this page Visit Maryland Registered Agent.coPartner link. We may earn money if you buy.
3 MD Registered Agent.org 8.7 $199 $99/yr The lowest agent renewal on this page Visit MD Registered Agent.orgPartner link. We may earn money if you buy.
Each grade out of 10 reflects our editors' reading of the weighted criteria on How we rank, not a customer rating.

Maryland foreign registration service cost in 2026: first year, renewals, three-year total

Company Year 1 Year 2 Year 3 Three years, total Agent covered, year one
Mainstay Filing $199 $149 $149 $497 Not stated
Maryland Registered Agent.co $199 $99 $99 $397 Included
MD Registered Agent.org $199 $99 $99 $397 Included
Prices were copied from each company's own pages on November 12, 2026. Add Maryland's $100 registration fee to any row; it is not in the totals.

How we graded this list

Launchwise Review puts 26% on cost to launch and stay and 26% on launch paperwork handled, then spreads 48% over renewal behavior, state match and price transparency. For Maryland, the call came down to launch paperwork handled.

Adding a second state means dealing with two states, and one provider at one price in both earned the stronger coverage grade, ahead of Maryland Registered Agent.co.

Every criterion and weight is listed on How we rank.

Opening in Maryland as a foreign LLC: fee, form and office

Your registration goes to the Maryland State Department of Assessments and Taxation (SDAT), Charter Division, on the Limited Liability Company Registration (For non-Maryland Limited Liability Company). Budget $100 for the state. Have written proof of existence from the home state, equivalent to a certificate of good standing in hand too, dated within 60 days of filing; Maryland asks for it.

Calendar item for later: the Business Entity Annual Report and Personal Property Return, Form 1 at $300, due April 15.

Before you file, get these together

  • Written proof of existence from the home state, equivalent to a certificate of good standing, issued within 60 days of your filing date.
  • Your company's exact legal name and the date it was formed at home.
  • A resident agent with a street address in the state; every company graded on this page can serve.
  • The $100 state fee, ready to pay with the filing.
  • A calendar reminder for the Business Entity Annual Report and Personal Property Return, Form 1 and its $300 fee.

What skipping Maryland registration can cost you

Without registration, an outside LLC cannot bring a lawsuit in Maryland courts (4A-1007(a)). Contracts it signs remain valid (4A-1007(b)).

Quick answers about Maryland foreign registration services

When does an LLC from elsewhere have to register in Maryland?

Once it does business there. Until then it cannot bring a lawsuit in the state's courts.

What should I budget to bring an existing LLC into Maryland?

The state fee is $100; add a service fee of $199.

Do I need a document from my home state first?

Yes, order written proof of existence from the home state, equivalent to a certificate of good standing and file within 60 days of its date.

Does the foreign LLC still need a resident agent?

Yes. Keep a resident agent with a street address in the state for as long as the company is registered there.

Which foreign registration services are graded on this page?

Mainstay Filing ($199), Maryland Registered Agent.co ($199) and MD Registered Agent.org ($199), top grade first.

Which service is the best way to register a foreign LLC in Maryland?

Mainstay Filing, because $199 on top of the state fee, a free first year as resident agent and the same price in any state.

Read next

Sources and dates

  1. Maryland State Department of Assessments and Taxation, dated August 2026
  2. Maryland State Department of Assessments and Taxation, dated August 2026
  3. Maryland report due date, dated August 2026
  4. Md. Code, Corporations & Associations sec. 4A-202, dated August 2026
  5. Maryland formation fee: Filing fee, official source, dated October 2026
  6. Maryland formation fee: Filing fee, official source, dated October 2026
  7. Maryland registered agent statute), dated October 2026
  8. Maryland Business Express, dated October 2026
  9. Corporations and Associations § 4A-1002, registration, dated October 2026
  10. Corporations and Associations § 4A-1009, activities that are not doing business, dated October 2026
  11. Corporations and Associations § 4A-1007, effect of not registering, dated October 2026
  12. Tax-Property § 11-101, annual report, dated October 2026
  13. From Mainstay Filing: Maryland service page, copied November 12, 2026
  14. From Maryland Registered Agent.co: pricing and service pages, copied November 12, 2026
  15. From MD Registered Agent.org: pricing and service pages, copied November 12, 2026