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Biz Formation Report

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

Foreign registration report · Massachusetts

3 Best Foreign Registration Services in Massachusetts (2026)

By the Biz Formation Report editorial team

Biz Formation Report ranks foreign registration services in Massachusetts for 2026 as Massachusetts Registered Agent.co ($199), Mainstay Filing ($199) and MA Registered Agent.org ($199), in that order. Massachusetts Registered Agent.co earns the top grade: $199 plus the state fee, one year of resident agent service included, then $99 a year for the agent.

No.1

Our top pick

1. Massachusetts Registered Agent.co: best for companies adding Massachusetts alone

Score9.4out of 10
$199 service fee and the state fee on top; the agent is $99 annually from year two

Top grade, Massachusetts Registered Agent.co: the Massachusetts registration for $199 with year-one agent service included, then $99 a year.

The plan seats the company at an in-state street address and posts scans of papers served there to your online account.

It beats Mainstay Filing on three-year cost.

What you get

  • Massachusetts registration filed for you
  • The first year as your resident agent

Good

  • A $199 registration price, state fee extra
  • Includes a year of resident agent service
  • Agent renewal of $99

Weak spots

  • Serves Massachusetts only; the home state still needs its own agent
  • The EIN application costs $99 extra
Visit Massachusetts Registered Agent.coPartner link. We may earn money if you buy.
Read the Massachusetts Registered Agent.co review
No.2

Fifty-state coverage

2. Mainstay Filing: best for companies registered in several states

Score9.2out of 10
$199 plus the state fee, then $149 a year for the agent from year two

Second grade, Mainstay Filing: $199 added to the state fee in any state, with a year of resident agent service included.

The agent is free in year one, then costs $149 a year, whatever state the company registers in.

Massachusetts Registered Agent.co is $100 cheaper across three years, and that difference lowers Mainstay Filing's cost grade.

What you get

  • Registration prepared and filed on your behalf
  • Free scan-and-upload of served papers within the same business day

Good

  • One price across all fifty states
  • Served papers scanned within the same business day, free
  • $199 service fee plus the state's fee

Weak spots

  • The agent renews at $149, $50 more than Massachusetts Registered Agent.co
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing review
No.3

Best for a Massachusetts-only company

3. MA Registered Agent.org: best for registering in Massachusetts only

Score9.0out of 10
$199 service fee and the state fee on top; the agent is $99 annually from year two

Third grade, MA Registered Agent.org: the Massachusetts registration for $199 with year-one agent service included, then $99 a year.

The plan seats the company at an in-state street address and posts scans of papers served there to your online account.

The two state services, Massachusetts Registered Agent.co and MA Registered Agent.org, match on price and features, and the order between them is a narrow call.

What you get

  • Massachusetts registration filed for you
  • Resident agent service for year one

Good

  • Registration costs $199 before the state fee
  • Year-one resident agent service is covered
  • Agent at $99 a year after year one

Weak spots

  • Serves Massachusetts only; the home state still needs its own agent
  • The EIN application costs $99 extra
Visit MA Registered Agent.orgPartner link. We may earn money if you buy.
Read the MA Registered Agent.org review

Summary of the 3 grades

RankProviderGradeService feeYear twoBest fitSite
1Massachusetts Registered Agent.co9.4$199$99/yrThe lowest agent renewal we rank hereVisit Massachusetts Registered Agent.coPartner link. We may earn money if you buy.
2Mainstay Filing9.2$199$149/yrCompanies with a presence in several statesVisit Mainstay FilingPartner link. We may earn money if you buy.
3MA Registered Agent.org9.0$199$99/yrThe lowest agent renewal we rank hereVisit MA Registered Agent.orgPartner link. We may earn money if you buy.

Each grade out of 10 comes from Biz Formation Report's editors and the weighted criteria on How we rank; no customer ratings are involved.

Massachusetts foreign registration service prices, 2026: year one, renewal and three-year outlay

ProviderYear 1Year 2Year 3Three-year outlayYear-one agent covered
Massachusetts Registered Agent.co$199$99$99$397Included
Mainstay Filing$199$149$149$497Not stated
MA Registered Agent.org$199$99$99$397Included

All prices were taken from the companies' own websites on November 12, 2026. Massachusetts's $500 registration fee is payable on top of each row and is not part of these totals.

The basis for the order

Biz Formation Report grades three-year bill and what the money buys at 32% each, leaving 36% for renewal handling, local rules match and pricing openness. In Massachusetts, three-year bill settled the order.

Total outlay with Massachusetts Registered Agent.co over three years: $397, $100 less than Mainstay Filing. Both providers include the first agent year, so the renewal price set the order.

Every criterion and weight is listed on How we rank.

Massachusetts foreign LLC registration: fee, document and filing office

To register, the outside company submits the Foreign Limited Liability Company Application for Registration (General Laws Chapter 156C, Section 48) to the Massachusetts Secretary of the Commonwealth, Corporations Division, with a state fee of $500. Massachusetts also wants certificate of legal existence or good standing, dated within 90 days of the filing.

After registration the company owes the Foreign LLC annual report ($500), due anniversary of registration.

Documents to have on hand

  • Certificate of legal existence or good standing, dated within 90 days of filing.
  • The legal name as recorded in the home state, and the date of formation.
  • An in-state resident agent; any provider in this report can serve.
  • Payment of the $500 state fee with the filing.
  • The due date of the Foreign LLC annual report and its $500 fee, noted in your calendar.

The cost of skipping Massachusetts registration

An unregistered foreign LLC has no right to sue in Massachusetts courts until it registers (G.L. c. 156C, 54(a)). Its contracts remain enforceable (G.L. c. 156C, 54(a)).

Massachusetts foreign registration service: common questions

Must an LLC from another state register with Massachusetts?

Yes, as soon as it transacts business there. Until then it has no standing to bring a lawsuit in the state's courts.

How much does Massachusetts foreign registration cost?

$500 goes to the state and $199 to the service.

Does Massachusetts demand proof of good standing from the home state?

Yes. The filing needs certificate of legal existence or good standing, issued no more than 90 days ago.

Is a resident agent still needed after foreign registration?

Yes. A resident agent with a street address in the state has to remain on file.

Which foreign registration services does this report rank?

Massachusetts Registered Agent.co ($199), Mainstay Filing ($199) and MA Registered Agent.org ($199), in descending order of grade.

What is the best foreign registration service for Massachusetts?

Massachusetts Registered Agent.co: $199 beyond the state fee to register in Massachusetts, agent renewing at $99.

More from us

Source notes

  1. Massachusetts Secretary of the Commonwealth (verified August 2026)
  2. Massachusetts Secretary of the Commonwealth (verified August 2026)
  3. M.G.L. c. 156C, sec. 12 (verified August 2026)
  4. Massachusetts formation fee: Filing fee, official source (verified October 2026)
  5. Massachusetts formation fee: Filing fee, official source (verified October 2026)
  6. Massachusetts registered agent statute (verified October 2026)
  7. Massachusetts Corporations Division, foreign LLC page (verified October 2026)
  8. G.L. c. 156C § 48, foreign LLC registration (verified October 2026)
  9. G.L. c. 156C § 54, failure to register (verified October 2026)
  10. G.L. c. 156D § 15.01, transacting business (verified October 2026)
  11. Pulled November 12, 2026: Massachusetts Registered Agent.co, pricing and service pages
  12. Pulled November 12, 2026: Mainstay Filing, Massachusetts service page
  13. Pulled November 12, 2026: MA Registered Agent.org, pricing and service pages