3 Best Registered Agents in New Hampshire (2026), and What to Know First
In New Hampshire for 2026, our answer on registered agents is Mainstay Filing ($149 a year), NH Registered Agent.org ($99 a year) and New Hampshire Registered Agent.co ($99 a year), ranked from first to last. An agent costs $99 to $149 in the first year and $297 to $447 across three years.
Answered by the Ask About LLC editorial team ·
Four quick answers
Do you have to name an agent?
Yes, the law says so
What the law calls it
Registered agent
What do agents charge?
$99 to $149 a year
Who to ask
Mainstay Filing, NH Registered Agent.org then New Hampshire Registered Agent.co
Our New Hampshire answer, best first
The order follows our five questions: three-year cost first, then how much the price covers.
1Ask this one first
1. Mainstay Filing: best for LLCs that may expand
$149 a year, then $149 when it renews
Mainstay Filing comes first: it costs $149 a year with no change by state, and renews at $149.
Is it the smallest bill? No: NH Registered Agent.org is $150 less over three years, but it works in New Hampshire only.
What the price covers
A street address on file here
Scans of three government letters a year, at no charge
Not just LLCs: corporations, LPs, LLPs and nonprofits too
How was the bottom line figured? Add the filing fee, the next two reports and the minimum tax if the state has one. Anything with no fixed price, a newspaper notice for instance, is described above and kept out of the sum.
Questions people also ask
Is it allowed to name myself?
Often you can. If your address and status match what the state demands, nothing stands in the way.
What address does an agent need?
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.
What do the picks cost over three years?
For three years you would pay $447 at Mainstay Filing, $297 at NH Registered Agent.org, $297 at New Hampshire Registered Agent.co
Are the fees official?
State fees come from New Hampshire's official documents, and service fees come from each company's own pricing page. Both carry dates on this page.
Does the law require a service?
Hiring help is a convenience you pay for, never a legal duty.
What is the best registered agent for New Hampshire?
Mainstay Filing comes first: a single account at $149 a year works in whichever state the LLC registers. Next are NH Registered Agent.org and New Hampshire Registered Agent.co.
Where did we look this up?
Our answer on New Hampshire Secretary of State rests on sos.nh.gov, a page we confirmed August 2026 and still point you to
Our answer on New Hampshire Secretary of State rests on sos.nh.gov, a page we confirmed August 2026 and still point you to
Our answer on New Hampshire report due date rests on gencourt.state.nh.us, a page we confirmed August 2026 and still point you to
Our answer on N.H rests on gc.nh.gov, a page we confirmed August 2026 and still point you to
Our answer on New Hampshire formation fee: Filing rests on gc.nh.gov, a page we confirmed October 2026 and still point you to
Our answer on New Hampshire registered agent statute rests on gc.nh.gov, a page we confirmed October 2026 and still point you to
The Mainstay Filing New Hampshire service page, as it stood on November 13, 2026
The NH Registered Agent.org pricing page, as it stood on November 13, 2026
The New Hampshire Registered Agent.co pricing page, as it stood on November 13, 2026