No legalese · Massachusetts

3 Best Foreign Registration Services in Massachusetts (2026), Plainly Answered

For foreign registration services in Massachusetts, our 2026 order is Mainstay Filing ($199), MA Registered Agent.org ($199) and Massachusetts Registered Agent.co ($199). Massachusetts takes $500 to register, and the services cost $397 to $497 across three years.

By the Plain Charter editorial team · Reviewed and updated November 12, 2026

The short answer

What the state charges: $500
Home-state document?: Yes (90 days maximum age)
Yearly upkeep: $500, Foreign LLC annual report
Best picks: Mainstay Filing, MA Registered Agent.org then Massachusetts Registered Agent.co

Massachusetts: our picks

Best first, by our stated criteria.

1First choice

1. Mainstay Filing: best for growing companies

$199 to register, $149 yearly

Mainstay Filing leads our list: the registration costs $199 plus state fees, with the resident agent free for year one.

MA Registered Agent.org saves $100 over three years but works in Massachusetts only.

After the free year, the resident agent renews at $149 a year.

The price covers

Application prepared and sent
One price nationwide

Upsides

$199 plus state fee
Same fee in every state

What to weigh

MA Registered Agent.org renews the agent for $50 less

Visit Mainstay FilingPartner link. We may earn money if you buy.

2Local choice

2. MA Registered Agent.org: best for a budget registration

$199 to register, $99 yearly

Our number 2 is MA Registered Agent.org, since the filing costs $199 and the yearly agent renewal is $99.

The price covers

Registration, filed
First agent year

Upsides

Agent free for year one
Service fee $199
Low $99 renewal

What to weigh

One-state service

Visit MA Registered Agent.orgPartner link. We may earn money if you buy.

3Local choice

3. Massachusetts Registered Agent.co: best for a one-state add-on

$199 to register, $99 yearly

Our number 3 is Massachusetts Registered Agent.co, since the filing costs $199 and the yearly agent renewal is $99.

It charges the same as MA Registered Agent.org; the order between them is a close call.

The price covers

Registration, filed
First agent year

Upsides

Low $99 renewal
Agent free for year one
Service fee $199

What to weigh

One-state service

Visit Massachusetts Registered Agent.coPartner link. We may earn money if you buy.

How the picks compare

#	Pick	First year	Year two on	Over three years	What it covers
1	Mainstay Filing	$199	$149/yr	$497	application prepared and sent; one price nationwide	Visit Mainstay FilingPartner link. We may earn money if you buy.
2	MA Registered Agent.org	$199	$99/yr	$397	Registration, filed; first agent year	Visit MA Registered Agent.orgPartner link. We may earn money if you buy.
3	Massachusetts Registered Agent.co	$199	$99/yr	$397	Registration, filed; first agent year	Visit Massachusetts Registered Agent.coPartner link. We may earn money if you buy.

Company prices on November 12, 2026, before state fees.

The plain answers

Must my LLC register in this state?

Registration comes before doing business in Massachusetts for any out-of-state LLC.

Skipping it can mean the courts stay closed to its claims (G.L. c. 156C, 54(a)).

October 2026 · sec.state.ma.us

How much is foreign registration?

Budget $500 for the state and $199 for a service.

Three years of state fees, registration included: $1,500. October 2026 · sec.state.ma.us

What is the application called?

Just one document: the Foreign Limited Liability Company Application for Registration (General Laws Chapter 156C, Section 48), submitted to the Massachusetts Secretary of the Commonwealth, Corporations Division.

Include certificate of legal existence or good standing issued within 90 days.

What recurs once registered?

$500 for the Foreign LLC annual report.

Deadline: anniversary of registration.

What put the first pick first?

Mainstay Filing wins on what the price takes off your plate, our 30% criterion.

What we weigh most: three-year cost (35%) and what the price takes off your plate (30%). Three smaller criteria break close calls.

MA Registered Agent.org serves Massachusetts only, so your home state would need someone else.

Read our criteria

What Massachusetts requires

Requirement	Amount or rule	Source
Registration fee	$500	October 2026 · sec.state.ma.us
Proof of existence	Yes, 90 days	October 2026 · sec.state.ma.us
Foreign LLC annual report	$500	October 2026 · sec.state.ma.us
State total, years 1 to 3	$1,500	Total of these fees

Filing fee, the reports in years two and three, then any minimum tax: that is the three-year line.

A few more questions

What about the home state?

Yes, each state follows its own rule. A one-state service covers only this state.

Over three years, what does each charge?

Mainstay Filing $497, MA Registered Agent.org $397 and Massachusetts Registered Agent.co $397, state fees extra.

Are the fees official?

Official Massachusetts sources for state fees, company price pages for service fees.

Must I hire anyone?

It is optional; the state charges the same either way.

Will these services file it?

Yes, every pick files it, and the state fee does not change.

Which foreign registration service would you pick in Massachusetts?

First Mainstay Filing, then MA Registered Agent.org and Massachusetts Registered Agent.co.

Sources for this page

August 2026: Massachusetts Secretary of the Commonwealth, sec.state.ma.us
August 2026: Massachusetts Secretary of the Commonwealth, malegislature.gov
August 2026: M.G.L. c. 156C, sec. 12, sec.state.ma.us
October 2026: Massachusetts formation fee: Filing fee, sec.state.ma.us
October 2026: Massachusetts formation fee: Filing fee, sec.state.ma.us
October 2026: Massachusetts registered agent statute, sec.state.ma.us
October 2026: Massachusetts Corporations Division, foreign LLC, sec.state.ma.us
October 2026: G.L. c. 156C § 48, malegislature.gov
October 2026: G.L. c. 156C § 54, malegislature.gov
October 2026: G.L. c. 156D § 15.01, malegislature.gov
Prices from the Mainstay Filing Massachusetts service page on November 12, 2026
Prices from the MA Registered Agent.org pricing page on November 12, 2026
Prices from the Massachusetts Registered Agent.co pricing page on November 12, 2026