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Biz Formation Report

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

Foreign registration report · New Hampshire

3 Best Foreign Registration Services in New Hampshire (2026)

By the Biz Formation Report editorial team

Biz Formation Report ranks foreign registration services in New Hampshire for 2026 as Mainstay Filing ($199), New Hampshire Registered Agent.co ($199) and NH Registered Agent.org ($199), in that order. Mainstay Filing earns the top grade: $199 plus the state's fee, with the registered agent free for year one and one price in every state.

No.1

Top pick on this page

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

Score9.6out of 10
$199 service fee and the state fee on top; the agent is $149 annually from year two

Top grade, Mainstay Filing: the New Hampshire registration is filed for $199, and the registered agent is free in year one, then $149 a year.

Beyond the free first year, agent service is $149 annually in any state.

Over three years Mainstay costs $100 more than New Hampshire Registered Agent.co; our grading treats the broader coverage as worth that.

What you get

  • Registration prepared and filed on your behalf
  • A free first registered agent year
  • Legal papers served on the company scanned free, the same business day

Good

  • $199 service fee plus the state's fee
  • One price across all fifty states
  • Served papers scanned within the same business day, free
  • Registered agent at no cost in year one

Weak spots

  • The agent renews at $149, $50 more than New Hampshire Registered Agent.co
Visit Mainstay FilingPartner link. We may earn money if you buy.
Read the Mainstay Filing review
No.2

Best value here

2. New Hampshire Registered Agent.co: best for companies adding New Hampshire alone

Score9.1out of 10
$199 service fee and the state fee on top; the agent is $99 annually from year two

Second grade, New Hampshire Registered Agent.co: the New Hampshire 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.

What you get

  • The registration filing
  • The first year as your registered agent

Good

  • Then $99 per year for the agent
  • Year-one registered agent service is covered
  • $199 for registration, plus the state fee

Weak spots

  • Serves New Hampshire only; the home state still needs its own agent
  • The EIN application costs $99 extra
Visit New Hampshire Registered Agent.coPartner link. We may earn money if you buy.
Read the New Hampshire Registered Agent.co review
No.3

Low renewal

3. NH Registered Agent.org: best for registering in New Hampshire only

Score8.9out of 10
$199 added to the state's fee; $99 a year for the agent after that

Third grade, NH Registered Agent.org: the New Hampshire 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.

New Hampshire Registered Agent.co and NH Registered Agent.org publish the same prices and plan features, so the grades are close and either is a sound pick.

What you get

  • The registration filing
  • The first year as your registered agent

Good

  • Year-one registered agent service is covered
  • $99 annually to keep the agent
  • Registration costs $199 before the state fee

Weak spots

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

Summary of the 3 grades

RankProviderGradeService feeYear twoBest fitSite
1Mainstay Filing9.6$199$149/yrCompanies with a presence in several statesVisit Mainstay FilingPartner link. We may earn money if you buy.
2New Hampshire Registered Agent.co9.1$199$99/yrThe lowest agent renewal we rank hereVisit New Hampshire Registered Agent.coPartner link. We may earn money if you buy.
3NH Registered Agent.org8.9$199$99/yrThe lowest agent renewal we rank hereVisit NH Registered Agent.orgPartner link. We may earn money if you buy.

Grades out of 10 are Biz Formation Report's own editorial judgment, based on the criteria explained on How we rank. They are not customer ratings.

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

ProviderYear 1Year 2Year 3Three-year outlayYear-one agent covered
Mainstay Filing$199$149$149$497Free
New Hampshire Registered Agent.co$199$99$99$397Included
NH Registered Agent.org$199$99$99$397Included

All prices were taken from the companies' own websites on November 12, 2026. New Hampshire's $100 registration fee is payable on top of each row and is not part of these totals.

How the grades were set

The grading method assigns 32% to three-year bill and 32% to what the money buys, with renewal handling, local rules match and pricing openness taking 36%. For New Hampshire, what the money buys decided it.

Foreign registration always involves two states, and one provider with one price in both graded best on coverage, ahead of New Hampshire Registered Agent.co.

Every criterion and weight is listed on How we rank.

New Hampshire foreign LLC registration: fee, document and filing office

To register, the outside company submits the Application for Registration as a Foreign Limited Liability Company (Form FLLC-1) to the New Hampshire Secretary of State, Corporation Division, with a state fee of $100.

After registration the company owes the annual report ($100), due April 1.

Documents to have on hand

  • The legal name as recorded in the home state, and the date of formation.
  • An in-state registered agent; any provider in this report can serve.
  • Payment of the $100 state fee with the filing.
  • The due date of the annual report and its $100 fee, noted in your calendar.

The cost of skipping New Hampshire registration

Its contracts remain enforceable (RSA 304-C:180, II(a)). Fees owed for the unregistered period are collected as well.

New Hampshire foreign registration service: common questions

Must an LLC from another state register with New Hampshire?

Yes, as soon as it transacts business there.

How much does New Hampshire foreign registration cost?

$100 goes to the state and $199 to the service.

Which form handles foreign registration with New Hampshire?

The state names the form in the facts above; it is sent to the New Hampshire Secretary of State, Corporation Division.

Is a registered agent still needed after foreign registration?

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

Which foreign registration services does this report rank?

Mainstay Filing ($199), New Hampshire Registered Agent.co ($199) and NH Registered Agent.org ($199), in descending order of grade.

What is the best foreign registration service for New Hampshire?

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

Read next

Source notes

  1. New Hampshire Secretary of State, Corporations Division (verified August 2026)
  2. New Hampshire Secretary of State, Corporations Division (verified August 2026)
  3. New Hampshire report due date (verified August 2026)
  4. N.H. RSA 304-C:31 (verified August 2026)
  5. New Hampshire formation fee: Filing fee, official source (verified October 2026)
  6. New Hampshire registered agent statute (verified October 2026)
  7. Form FLLC-1 (verified October 2026)
  8. RSA 304-C:174, activities that do not count (verified October 2026)
  9. RSA 304-C:175, registration (verified October 2026)
  10. RSA 304-C:180, effect of not registering (verified November 2026)
  11. Pulled November 12, 2026: Mainstay Filing, New Hampshire service page
  12. Pulled November 12, 2026: New Hampshire Registered Agent.co, pricing and service pages
  13. Pulled November 12, 2026: NH Registered Agent.org, pricing and service pages