3 Best Registered Agents in New Hampshire (2026), Ranked for You
Your 2026 shortlist for registered agents in New Hampshire reads New Hampshire Registered Agent.co ($99 a year), Mainstay Filing ($149 a year) and NH Registered Agent.org ($99 a year), in our order. Year one costs $99 to $149, and three years cost $297 to $447.
Written by the Simple Filing Guide editorial team
Do this first
Required by the state?
Yes, by law
Name used by the state
Registered agent
Typical service price
$99 to $149 annually
Where to start
New Hampshire Registered Agent.co, Mainstay Filing then NH Registered Agent.org
Our New Hampshire shortlist
Ranked best first using the checks described on the method page.
#1First recommendation
1. New Hampshire Registered Agent.co: best for one-state companies
$99 a year, then $99 at renewal
New Hampshire Registered Agent.co is our first recommendation because its service costs $99 annually and puts a street address on file.
Of the pair, it is cheaper across three years, and we look at cost first.
gc.nh.gov, last confirmed October 2026 for this guide
Registered agent
Yes, by law
gc.nh.gov, last confirmed October 2026 for this guide
Annual report
$100 every year
sos.nh.gov, last confirmed August 2026 for this guide
Three-year state total
$300
Added from the rows
Last row = filing fee + report in year two + report in year three + minimum tax, if any. Variable costs are described in the text, not added.
Quick answers
Can I act as my own agent?
You can once you satisfy the rule on who may serve and where.
Which addresses does the state accept?
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.
Three years in, what has each cost?
Totals to compare: New Hampshire Registered Agent.co at $297, Mainstay Filing at $447, NH Registered Agent.org at $297
What sources do you use?
Every state fee links to its official page, and every service price is read from the company's own site.
Does the state require a service?
Hiring is optional. The law requires a filing, not a filer.
Which one do you recommend in New Hampshire?
New Hampshire Registered Agent.co is on top because a company that never leaves New Hampshire pays $297 over three years; Mainstay Filing and NH Registered Agent.org follow.
Sources used in this guide
August 2026 check of New Hampshire Secretary of State, via sos.nh.gov
August 2026 check of New Hampshire Secretary of State, via sos.nh.gov