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Plain CharterLLC questions, short answers.

No legalese · Massachusetts

3 Best Registered Agents in Massachusetts (2026), Plainly Answered

Our 2026 answer for Massachusetts: Mainstay Filing ($149 a year), Massachusetts Registered Agent.co ($99 a year) and MA Registered Agent.org ($99 a year), best first. Year one is $99 to $149. Three years come to $297 to $447.

By the Plain Charter editorial team ·

Answer in brief

Do you need one?
Required
What the law calls it
Resident agent
What a service costs
$99 to $149 yearly
Our picks, in order
Mainstay Filing, Massachusetts Registered Agent.co then MA Registered Agent.org

Massachusetts: our picks

Best first, by our stated criteria.
1Our first pick

1. Mainstay Filing: best for one agent wherever you go

$149 a year, renews at $149

Mainstay Filing leads our list: the price is $149 a year wherever the LLC is on file.

Three years cost $150 more than Massachusetts Registered Agent.co; reach across states decides it here.

The price covers

  • An address in the state
  • Three government mailings a year scanned free
  • Covers LLCs, corporations, LPs, LLPs and nonprofits

Upsides

  • $149 a year, same at renewal
  • One account for any state

What to weigh

  • $50 more per year than the local pick
  • Just the agent role
Visit Mainstay FilingPartner link. We may earn money if you buy.
2Local choice

2. Massachusetts Registered Agent.co: best for one-state companies

$99 a year, renews at $99

Pick number 2, Massachusetts Registered Agent.co, makes the list because its agent service costs $99 a year with a street address on file.

The price covers

  • A physical in-state address
  • Legal papers scanned to your account

Upsides

  • Beats Mainstay Filing on yearly price
  • Annual price $99, renewal price $99

What to weigh

  • A second state means a second agent
  • No help with the Limited Liability Company Annual Report
Visit Massachusetts Registered Agent.coPartner link. We may earn money if you buy.
3Local choice

3. MA Registered Agent.org: best for local service

$99 a year, renews at $99

Pick number 3, MA Registered Agent.org, makes the list because its agent service costs $99 a year with a street address on file.

Same published prices as Massachusetts Registered Agent.co; pick whichever you prefer.

The price covers

  • A physical in-state address
  • Legal papers scanned to your account

Upsides

  • Annual price $99, renewal price $99
  • Beats Mainstay Filing on yearly price

What to weigh

  • A second state means a second agent
  • No help with the Limited Liability Company Annual Report
Visit MA Registered Agent.orgPartner link. We may earn money if you buy.

Compare at a glance

#ServiceYear 1Renewal3-year costIncludes
1Mainstay Filing$149$149/yr$447an address in the state; three government mailings a year scanned free; Covers LLCs, corporations, LPs, LLPs and nonprofitsVisit Mainstay FilingPartner link. We may earn money if you buy.
2Massachusetts Registered Agent.co$99$99/yr$297A physical in-state address; legal papers scanned to your accountVisit Massachusetts Registered Agent.coPartner link. We may earn money if you buy.
3MA Registered Agent.org$99$99/yr$297A physical in-state address; legal papers scanned to your accountVisit MA Registered Agent.orgPartner link. We may earn money if you buy.
Service fees only, from each company's prices on November 12, 2026. State fees are the same with every pick.

The plain answers

Must the LLC name a resident agent?

Every LLC must name a registered agent with an in-state street address.

The law behind it: M.G.L. c. 156C, § 5. sec.state.ma.us (October 2026)

Who is allowed to be the agent?

A Massachusetts resident, a Massachusetts corporation, or a corporation from another state authorized to do business in Massachusetts. State regulations (950 CMR 112.13) also allow other business entities authorized in Massachusetts.

You can be your own agent if you qualify; the state charges nothing extra.

What does an agent cost?

$99 to $149 yearly. Over three years, $297 to $447.

The state charges the same with any agent.

What does the agent actually do?

It signs for legal papers and state notices on the LLC's behalf, in Massachusetts.

What matters most is that you hear about every document quickly. Read: service of process

What else comes due each year?

Budget $500 each year for the Limited Liability Company Annual Report. Put it on the calendar: on or before the anniversary date of filing of the certificate of organization.

malegislature.gov (August 2026)

What put the first pick first?

Because of what the price takes off your plate: Mainstay Filing does best there, and it counts for 30%.

The two biggest criteria are three-year cost and what the price takes off your plate, at 35% and 30%.

Massachusetts Registered Agent.co is the smaller bill here, yet it serves Massachusetts only.

See how we rank

Requirements, cited

WhatAnswerCited
State filing fee$500sec.state.ma.us (October 2026)
Resident agentRequiredsec.state.ma.us (October 2026)
Limited Liability Company Annual Report$500 every yearmalegislature.gov (August 2026)
State cost over 3 years$1,500Added up from the above
Every amount links to its official source. The three-year line is our own sum of filing, reports and any minimum tax.

People also ask

Do I have to pay someone?

Yes. Meet the who-qualifies and address rules on this page and you can do it yourself.

What address does the agent need?

The address has to be a street address in Massachusetts. A post office address is not sufficient.

What is the three-year cost of each?

Mainstay Filing $447, Massachusetts Registered Agent.co $297 and MA Registered Agent.org $297

Are the fees official?

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

Does the state require a service?

No. The state accepts filings from owners; a service saves time and handles the agent role.

Which registered agent would you pick in Massachusetts?

Mainstay Filing first: $149 a year buys an agent here and in any state you add later. Massachusetts Registered Agent.co and MA Registered Agent.org follow.

Official sources and prices

  1. sec.state.ma.us (Massachusetts Secretary of the Commonwealth, August 2026)
  2. malegislature.gov (Massachusetts Secretary of the Commonwealth, August 2026)
  3. sec.state.ma.us (M.G.L. c. 156C, sec. 12, August 2026)
  4. sec.state.ma.us (Massachusetts formation fee: Filing fee, October 2026)
  5. sec.state.ma.us (Massachusetts formation fee: Filing fee, October 2026)
  6. sec.state.ma.us (Massachusetts registered agent statute, October 2026)
  7. November 12, 2026: Mainstay Filing Massachusetts service page
  8. November 12, 2026: Massachusetts Registered Agent.co pricing page
  9. November 12, 2026: MA Registered Agent.org pricing page