3 Best Registered Agents in New Hampshire (2026), Plainly Answered
For registered agents in New Hampshire, our 2026 order is Mainstay Filing ($149 a year), NH Registered Agent.org ($99 a year) and New Hampshire Registered Agent.co ($99 a year). Prices start at $99 to $149 a year and total $297 to $447 over three years.
By the Plain Charter editorial team ·
Answer in brief
Required?
Must have one
What the law calls it
Registered agent
Agent price
$99 to $149 yearly
Who we'd use
Mainstay Filing, NH Registered Agent.org then New Hampshire Registered Agent.co
The New Hampshire picks
The order follows our five criteria, led by cost and coverage.
1Top pick
1. Mainstay Filing: best for owners planning to grow
Costs $149 yearly; renewal $149
Start with Mainstay Filing: $149 a year buys an agent here and in any state you add later.
Three years cost $150 more than NH Registered Agent.org; reach across states decides it here.
The price covers
Registered office address
Three government mailings a year scanned free
Covers LLCs, corporations, LPs, LLPs and nonprofits
We add the filing, two years of reports and any minimum tax for the three-year line. Publication and other variable costs are excluded.
Other quick questions
Can I act as the agent myself?
Yes, provided you fit the state's rule. Many owners still hire a service for privacy.
Where must the agent be located?
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?
Mainstay Filing $447, NH Registered Agent.org $297 and New Hampshire Registered Agent.co $297
What are the numbers based on?
New Hampshire's own publications for the state side, published company prices for the rest.
Do I have to use a service?
No, you can file yourself if you meet the rules on this page.
Who comes first in New Hampshire?
Mainstay Filing, because it charges $149 a year here and the same in every other state. Then NH Registered Agent.org and New Hampshire Registered Agent.co.
Cited sources
New Hampshire Secretary of State, August 2026 (sos.nh.gov)
New Hampshire Secretary of State, August 2026 (sos.nh.gov)