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The Formation Desk

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

Foreign registration picks · New Hampshire

3 Best Foreign Registration Services in New Hampshire (2026)

The The Formation Desk call for foreign registration services in New Hampshire in 2026: Mainstay Filing ($199), New Hampshire Registered Agent.co ($199) and NH Registered Agent.org ($199), in that order. Mainstay Filing takes the call: it files the New Hampshire registration for $199 and serves as your registered agent, free in year one, then $149 a year.
Written by The Formation Desk editorial team
1
Best here

1. Mainstay Filing: best for companies working in more than one state

$199 for the service, state fee on top; agent $149 a year after year one

Editorial score 9.3 out of 10

The desk picks Mainstay Filing: $199 on top of state fees in any state, with the first year of registered agent service included.

Agent service costs nothing in year one and $149 a year from then on, whichever state you register in.

Over three years Mainstay runs $100 more than New Hampshire Registered Agent.co, and the desk thinks the wider coverage is worth it.

In the price

  • The registration, prepared and filed for you
  • A free registered agent for the first year
  • Any service of process scanned for free and uploaded that business day

Strengths

  • Free scans of served papers on the same business day
  • Same price in all fifty states
  • Registered agent costs nothing in year one
  • $199 service fee, state fee on top

Cons

  • Agent renewal of $149 is $50 above New Hampshire Registered Agent.co
Visit Mainstay FilingPartner link. We may earn money if you buy. Mainstay Filing up close
2
Best local option

2. New Hampshire Registered Agent.co: best for adding only New Hampshire

$199 for the service, state fee on top; agent $99 a year after year one

Editorial score 9.0 out of 10

Runner-up, New Hampshire Registered Agent.co: $199 plus the state fee, one year of registered agent service included, then $99 a year for the agent.

You get an in-state street address as the registered office, and papers served there are scanned into your account.

In the price

  • New Hampshire registration filed for you
  • A first year of registered agent service

Strengths

  • Year-two agent price: $99
  • $199 to register, state fee extra
  • Includes a first year as your registered agent

Cons

  • New Hampshire only; your home state needs its own agent
  • EIN application will cost you $99 more
Visit New Hampshire Registered Agent.coPartner link. We may earn money if you buy. New Hampshire Registered Agent.co up close
3
Best local option

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

$199 with the state's fee added; agent renewal at $99

Editorial score 8.9 out of 10

Third, NH Registered Agent.org: $199 plus the state fee, one year of registered agent service included, then $99 a year for the agent.

You get an in-state street address as the registered office, and papers served there are scanned into your account.

New Hampshire Registered Agent.co and NH Registered Agent.org list the same prices and plan features, so it is close and either one works.

In the price

  • New Hampshire registration filed for you
  • A first year of registered agent service

Strengths

  • Includes a first year as your registered agent
  • $99 yearly to keep the agent
  • Registers the company for $199, plus the state's fee

Cons

  • New Hampshire only; your home state needs its own agent
  • EIN application will cost you $99 more
Visit NH Registered Agent.orgPartner link. We may earn money if you buy. NH Registered Agent.org up close

The desk's 3 picks in brief

Pick Service Desk score Service fee Year two Good for Visit
1 Mainstay Filing 9.3 $199 $149/yr Companies doing business in several states Visit Mainstay FilingPartner link. We may earn money if you buy.
2 New Hampshire Registered Agent.co 9.0 $199 $99/yr The lowest agent renewal we rank here Visit New Hampshire Registered Agent.coPartner link. We may earn money if you buy.
3 NH Registered Agent.org 8.9 $199 $99/yr The lowest agent renewal we rank here Visit NH Registered Agent.orgPartner link. We may earn money if you buy.

The scores out of 10 are the desk's own, drawn from the criteria on How we rank. They are not customer ratings.

What a New Hampshire foreign registration service costs in 2026: year one, renewal and the three-year bill

Service Year one Year two Year three Bill over three years Agent covered in year one
Mainstay Filing $199 $149 $149 $497 Free
New Hampshire Registered Agent.co $199 $99 $99 $397 Included
NH Registered Agent.org $199 $99 $99 $397 Included

Every price here was read off the company's own pages on November 12, 2026. New Hampshire's $100 registration fee comes on top of every row and is left out of these totals.

How the desk made the call

The desk's method puts 33% on spend over three years and 33% on work the price removes, and 34% across what renewal looks like, fit with the state and plain price display. For New Hampshire, work the price removes did the deciding.

Foreign registration means two states, and one provider at one price in both won on coverage, ahead of New Hampshire Registered Agent.co.

The full criteria and weights are on How we rank.

Registering a foreign LLC in New Hampshire: fee, form and who gets it

To register, the company files the Application for Registration as a Foreign Limited Liability Company (Form FLLC-1) with the New Hampshire Secretary of State, Corporation Division and pays the state's $100.

From then on the company owes the annual report ($100), due April 1.

What to pull together first

  • The company name exactly as the home state spells it, and when it was formed.
  • An in-state registered agent; any service the desk picked can fill that seat.
  • $100 for the state, paid when you file.
  • A date on your calendar for the annual report and its $100 fee.

What it costs to ignore New Hampshire registration

The contracts it signs stay good (RSA 304-C:180, II(a)). Back fees for the years it operated unregistered come due too.

New Hampshire foreign registration service: reader questions

Does an LLC from elsewhere have to register to operate in New Hampshire?

Yes, once it starts doing business there.

What will foreign registration cost you in New Hampshire?

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

What does New Hampshire call its foreign registration form?

It goes to the New Hampshire Secretary of State, Corporation Division, and the form's title is on the facts line above.

Do you still need a registered agent after you register?

Yes. Keep a registered agent with a street address in the state on file.

Which foreign registration services did the desk rank here?

Mainstay Filing ($199), New Hampshire Registered Agent.co ($199) and NH Registered Agent.org ($199), best pick first.

Who is our pick for foreign registration in New Hampshire?

Mainstay Filing, since $199 plus the state's own fee, the registered agent free for year one and the same price in every state.

Read next

Where the numbers came from

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