LLC Review Desk's 2026 picks for registered agents in New Hampshire, favorite first, are New Hampshire Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and NH Registered Agent.org ($99 a year). New Hampshire Registered Agent.co is our favorite, because it's $99 a year, and the price stays put at renewal, the smallest yearly price among these picks.
By the LLC Review Desk editorial team
Position 1
Our top pick
1. New Hampshire Registered Agent.co: best for the smallest yearly price on this list
$99 a year, the same each year
Our score
9.4out of 10
9.4 out of 10
Our favorite is New Hampshire Registered Agent.co, because it focuses on New Hampshire at $99 a year and gives you an in-state street address for the registered office.
New Hampshire Registered Agent.co takes care of the registered office with a street address in the state and scans everything served there.
Over three years it costs less than Mainstay Filing, and cost is one of our two biggest criteria.
In the price
A registered office address inside the state
Anything served on the company is scanned for you to open online
What we like
Costs less a year than Mainstay Filing
LLC formation with year-one agent service included
$99 yearly, no change at renewal
Trade-offs
The annual report is a job that stays with you
Built for New Hampshire; other states need another agent
3. NH Registered Agent.org: best for New Hampshire specialists
$99 a year, the same each year
Our score
8.9out of 10
8.9 out of 10
In third place is NH Registered Agent.org, because it focuses on New Hampshire at $99 a year and gives you an in-state street address for the registered office.
Your registered office address belongs to NH Registered Agent.org and sits in the state; scans of served papers land in your online account.
Between New Hampshire Registered Agent.co and NH Registered Agent.org, prices and features match, so it's nearly a tie.
In the price
The in-state street address the state requires
Served documents get scanned and sit in your online account
What we like
$99 a year, and it stays the same at renewal
Mainstay Filing charges more each year
Can form your LLC and cover the first agent year
Trade-offs
The annual report is a job that stays with you
Built for New Hampshire; other states need another agent
LLC Review Desk gives each score out of 10 itself, based on the criteria on How we rank. No customer ratings are involved.
What New Hampshire registered agents cost in 2026: year one, renewals and three years
Service
First year
Second year
Third year
Three-year total
Same price when you renew
New Hampshire Registered Agent.co
$99
$99
$99
$297
Yes
Mainstay Filing
$149
$149
$149
$447
Yes
NH Registered Agent.org
$99
$99
$99
$297
Yes
We took each price from the company's own pages on November 12, 2026. New Hampshire's own fees stay the same no matter which agent you choose.
How the order came together
Here's how we scored it: three-year cost and filings in the price are worth 29% each, and renewal price, state fit and up-front totals split the other 42%. In New Hampshire, three-year cost made the difference.
New Hampshire Registered Agent.co comes to $297 over three years, which is $150 less than Mainstay Filing. If you only need an agent in New Hampshire, fifty-state reach doesn't help much, so the lower yearly price won.
You can read every criterion and weight on How we rank.
What New Hampshire says about the registered agent (via New Hampshire Secretary of State)
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: N.H. RSA 304-C:36.
The New Hampshire annual report: when and how much
Here's the schedule: the annual report is due every year in New Hampshire, by April 1. It costs $100. If you're late, add $50. Reminders from the state go to your registered agent.
Your questions about New Hampshire registered agents
Do I really need a registered agent for a New Hampshire LLC?
You do. New Hampshire won't accept an LLC without a registered agent who has a street address in the state, and that name goes on the public record.
What do New Hampshire registered agents usually cost per year?
Plan on $99 to $149 a year, and each service keeps its price when you renew.
Can I be my own registered agent?
Sometimes, if you meet the state's rules. A New Hampshire resident, or a business entity registered with the Secretary of State, whose office is the registered office.
When do I have to send in the New Hampshire annual report?
Mark April 1 on your calendar. The state's charge is $100, and sending it late tacks on $50.
Which registered agents did we review here?
New Hampshire Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and NH Registered Agent.org ($99 a year), with our favorite first.
Who is the best registered agent for New Hampshire?
New Hampshire Registered Agent.co, because you pay a flat $99 a year, and papers served on the company are scanned into your account.