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Plain CharterLLC questions, short answers.

Answered simply · New Hampshire

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

Our 2026 answer for New Hampshire: Mainstay Filing ($199), NH Registered Agent.org ($199) and New Hampshire Registered Agent.co ($199), best first. On top of the $100 state fee, service fees come to $397 to $497 over three years.

By the Plain Charter editorial team ·

Short version

State fee to register
$100
Certificate required?
Not required
Each year after
$100, annual report
Our order
Mainstay Filing, NH Registered Agent.org then New Hampshire Registered Agent.co

Who we'd hire in New Hampshire

Our order, explained on how we choose.
1Top pick

1. Mainstay Filing: best for one price in any state

Service $199, agent renewal $149

We put Mainstay Filing at the top because you pay $199 to register and nothing for the registered agent until year two.

NH Registered Agent.org saves $100 over three years but works in New Hampshire only.

From year two the registered agent costs $149 a year, in any state.

The price covers

  • Registration, filed
  • Registered agent, first year free
  • Fifty-state coverage

Upsides

  • Ready for the next state
  • Year-one agent included
  • $199 over the state fee

What to weigh

  • Higher agent renewal ($149)
Visit Mainstay FilingPartner link. We may earn money if you buy.
2Local choice

2. NH Registered Agent.org: best for one extra state

Service $199, agent renewal $99

NH Registered Agent.org ranks second, because it charges $199 to register with a first year of agent service, then $99 a year.

The price covers

  • Registration, filed
  • A year of agent service

Upsides

  • $199 plus the state fee
  • No agent fee in year one
  • $99 a year for the agent after

What to weigh

  • One-state service
Visit NH Registered Agent.orgPartner link. We may earn money if you buy.
3Local choice

3. New Hampshire Registered Agent.co: best for another local option

Service $199, agent renewal $99

New Hampshire Registered Agent.co ranks third, because it charges $199 to register with a first year of agent service, then $99 a year.

NH Registered Agent.org charges the same, so this one is a close second.

The price covers

  • Registration, filed
  • A year of agent service

Upsides

  • $199 plus the state fee
  • $99 a year for the agent after
  • No agent fee in year one

What to weigh

  • One-state service
Visit New Hampshire Registered Agent.coPartner link. We may earn money if you buy.

Compare at a glance

#PickYear oneYear two on3-year costCovers
1Mainstay Filing$199$149/yr$497Registration, filed; registered agent, first year free; Fifty-state coverageVisit Mainstay FilingPartner link. We may earn money if you buy.
2NH Registered Agent.org$199$99/yr$397Registration, filed; A year of agent serviceVisit NH Registered Agent.orgPartner link. We may earn money if you buy.
3New Hampshire Registered Agent.co$199$99/yr$397Registration, filed; A year of agent serviceVisit New Hampshire Registered Agent.coPartner link. We may earn money if you buy.
Each company's published prices, November 12, 2026. State fees come on top and do not change by pick.

Common questions

When does an out-of-state LLC have to register here?

Before it does business in New Hampshire, an LLC formed elsewhere registers with the New Hampshire Secretary of State, Corporation Division.

The cost of not registering: back fees for the unregistered period.

October 2026 · gc.nh.gov

What are the fees?

Budget $100 for the state and $199 for a service.

Three years of state fees, registration included: $300. October 2026 · sos.nh.gov

What gets filed?

The New Hampshire Secretary of State, Corporation Division accepts the Application for Registration as a Foreign Limited Liability Company (Form FLLC-1) from LLCs formed elsewhere.

The state does not ask for a certificate from the home state.

What comes due after registering?

The annual report, at $100.

Due: April 1.

How did you rank them?

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

Three-year cost counts for 35% and what the price takes off your plate for 30%; the other three criteria are smaller.

Your home state needs an agent too; one account that covers both is simpler.

Read our criteria

Requirements, cited

RequirementWhat it isSource
Fee to register$100October 2026 · sos.nh.gov
Home-state certificateNot requiredOctober 2026 · gc.nh.gov
Annual report$100October 2026 · gc.nh.gov
State fees, first three years$300Computed from the rows
The three-year line adds the filing fee, the reports in years two and three and any yearly minimum tax. Costs without a fixed amount, such as newspaper publication, are left out.

FAQ

Do both states need an agent?

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

Three years in, what has each cost?

Mainstay Filing $497, NH Registered Agent.org $397 and New Hampshire Registered Agent.co $397, plus state fees.

Are the fees official?

State fees from New Hampshire's official sources, cited next to each figure; service prices from each company's own pricing.

Does the state require a service?

No law requires one. A service is a convenience.

Can someone else file the registration?

Each of our picks prepares and files it; the state fee stays the same.

Which one should I hire in New Hampshire?

Mainstay Filing tops our list because the registration costs $199 plus state fees, with the registered agent free for year one; NH Registered Agent.org and New Hampshire Registered Agent.co come next.

Official sources and prices

  1. sos.nh.gov · New Hampshire Secretary of State · August 2026
  2. sos.nh.gov · New Hampshire Secretary of State · August 2026
  3. gencourt.state.nh.us · New Hampshire report due date · August 2026
  4. gc.nh.gov · N.H · August 2026
  5. gc.nh.gov · New Hampshire formation fee: Filing · October 2026
  6. gc.nh.gov · New Hampshire registered agent statute · October 2026
  7. sos.nh.gov · Form FLLC-1 · October 2026
  8. gc.nh.gov · RSA 304-C:174, activities that do · October 2026
  9. gc.nh.gov · RSA 304-C:175, registration · October 2026
  10. gc.nh.gov · RSA 304-C:180, effect of not · November 2026
  11. Prices from the Mainstay Filing New Hampshire service page on November 12, 2026
  12. Prices from the NH Registered Agent.org pricing page on November 12, 2026
  13. Prices from the New Hampshire Registered Agent.co pricing page on November 12, 2026