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The Formation Desk

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

Registered agent picks · New Hampshire

3 Best Registered Agents in New Hampshire (2026)

The The Formation Desk call for registered agents in New Hampshire in 2026: Mainstay Filing ($149 a year), New Hampshire Registered Agent.co ($99 a year) and NH Registered Agent.org ($99 a year), in that order. Mainstay Filing takes the call: $149 for a single agent plan that works in every state, $149 on renewal.
Written by The Formation Desk editorial team
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Top pick on this page

1. Mainstay Filing: best for every state

$149 a year, and it holds on renewal

Editorial score 9.3 out of 10

The desk picks Mainstay Filing: $149 a year for an agent that goes wherever the company does, plus the first three government mailings each year scanned free.

Haven't formed yet? Mainstay's $199-a-year package handles the New Hampshire filing and the annual report.

Over three years Mainstay runs $150 more than New Hampshire Registered Agent.co, and the desk thinks the wider coverage is worth it.

In the price

  • An in-state street address on the public record
  • Same-business-day upload of scanned service of process, no fee
  • Your first three government mailings each year, scanned free
  • Compliance reminders

Strengths

  • Free scans of served papers on the same business day
  • First three government mailings each year, scanned free
  • Works for LLCs, corporations, LPs, LLPs and nonprofits alike
  • $149 a year and it holds on renewal

Cons

  • $50 a year more than New Hampshire Registered Agent.co for agent service alone
  • Only the formation package files annual reports
Visit Mainstay FilingPartner link. We may earn money if you buy. Mainstay Filing up close
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Best for a New Hampshire-only company

2. New Hampshire Registered Agent.co: best for the lowest price per year on this list

$99 a year, and it holds on renewal

Editorial score 8.8 out of 10

Runner-up, New Hampshire Registered Agent.co: $99 a year flat, with scans of served legal papers sent to your account.

New Hampshire Registered Agent.co puts an in-state street address on file for the company and scans served legal papers into your account.

In the price

  • A physical address in the state, as the registered office
  • Legal papers served are scanned and kept in your online account

Strengths

  • Also forms LLCs and includes the first agent year
  • $99 yearly, renewing at the same price
  • Yearly price below Mainstay Filing's

Cons

  • The annual report is your job
  • New Hampshire only; you need another agent elsewhere
Visit New Hampshire Registered Agent.coPartner link. We may earn money if you buy. New Hampshire Registered Agent.co up close
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New Hampshire-focused

3. NH Registered Agent.org: best for New Hampshire companies

$99 a year, and it holds on renewal

Editorial score 8.7 out of 10

Third, NH Registered Agent.org: $99 a year flat, with scans of served legal papers sent to your account.

Papers served on the company go to the in-state address NH Registered Agent.org supplies, and you get scans in your online account.

On price and features there is nothing between New Hampshire Registered Agent.co and NH Registered Agent.org, which makes the order a close call.

In the price

  • A street address in the state on the public record
  • Papers served on the company arrive in your account as scans

Strengths

  • Comes in under Mainstay Filing every year
  • $99 a year and it holds on renewal
  • The first agent year comes with LLC formation

Cons

  • The annual report is your job
  • New Hampshire only; you need another agent elsewhere
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 Price a year Renewal Good for Visit
1 Mainstay Filing 9.3 $149 $149/yr One agent that covers every state Visit Mainstay FilingPartner link. We may earn money if you buy.
2 New Hampshire Registered Agent.co 8.8 $99 $99/yr The lowest yearly price we rank here Visit New Hampshire Registered Agent.coPartner link. We may earn money if you buy.
3 NH Registered Agent.org 8.7 $99 $99/yr The lowest yearly price we rank here Visit NH Registered Agent.orgPartner link. We may earn money if you buy.

The Formation Desk sets every score out of 10 itself from the weighted criteria on How we rank; customers do not rate anything.

What a New Hampshire registered agent costs in 2026: year one, renewal and the three-year bill

Service Year one Year two Year three Bill over three years Price holds on renewal
Mainstay Filing $149 $149 $149 $447 Yes
New Hampshire Registered Agent.co $99 $99 $99 $297 Yes
NH Registered Agent.org $99 $99 $99 $297 Yes

Every price here was read off the company's own pages on November 12, 2026. New Hampshire charges the same state fees whichever agent you name.

Behind the order

The Formation Desk counts spend over three years and work the price removes for 33% each; what renewal looks like, fit with the state and plain price display make up the other 34%. What tipped New Hampshire: work the price removes.

Mainstay's agent plan brings more to the table: served papers are scanned the same business day for nothing, one price in all fifty states and three government mailings a year scanned free. New Hampshire Registered Agent.co is cheaper, and it was close.

The full criteria and weights are on How we rank.

New Hampshire registered agent rules straight from New Hampshire Secretary of State (official)

Every LLC must name a registered agent with an in-state street address. The address has to be a physical street address in New Hampshire; filings that list an out-of-state address are not processed. P.O. boxes are not accepted. The law behind it: N.H. RSA 304-C:36.

New Hampshire's annual report: what it costs, when it is due, who gets the notice

New Hampshire LLCs send in the annual report every year, due April 1. The state's fee is $100. Send it late and $50 gets added. Notices about it land with your registered agent.

New Hampshire registered agent: reader questions

Do you need a registered agent to run a New Hampshire LLC?

You do. New Hampshire wants a registered agent on file for every LLC, and the agent must have a street address in the state.

What should you expect to pay a New Hampshire registered agent?

Plan on $99 to $149 a year, and the price holds when it renews.

Could you serve as your own registered agent?

You can if the state's rules allow it. A New Hampshire resident, or a business entity registered with the Secretary of State, whose office is the registered office.

When does the New Hampshire annual report have to go in?

Get it in by April 1. The state's cut is $100. Miss the date and it costs $50 more.

Which registered agents did the desk rank here?

Mainstay Filing ($149 a year), New Hampshire Registered Agent.co ($99 a year) and NH Registered Agent.org ($99 a year), best pick first.

Who is our pick for registered agent in New Hampshire?

Mainstay Filing, since $149 a year, and it holds on renewal, with papers served on the company scanned the same business day for free.

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. Mainstay Filing: New Hampshire service page, as of November 12, 2026
  8. New Hampshire Registered Agent.co: pricing and service pages, as of November 12, 2026
  9. NH Registered Agent.org: pricing and service pages, as of November 12, 2026