First LLC Guide › New Hampshire

Starting an LLC in New Hampshire: what you should know first

Filing a New Hampshire LLC costs $100. The Annual Report costs $100 a year. Our pick is Mainstay Filing; $897 covers three years.

By kind of owner

Side hustle: Quiet-year cost: $299 in year 2 with Mainstay Filing, including the $100 state report in that year.
Online business: Required registered agent. 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.
Startup: Filing: Certificate of Formation of a New Hampshire Limited Liability Company (LLC-1) with the New Hampshire Secretary of State. Write the operating agreement before you open the bank account.
First-time owner: Report due: April 1.

Best LLC formation service in New Hampshire for a first-time owner?

Mainstay Filing: $299 in year 1 including the $100 filing fee, $299 in year 2.

N.H. RSA 304-C:31 (New Hampshire Revised Limited Liability Company Act — certificate of formation); fee set by RSA 304-C:191 (multira state research spine): gc.nh.gov/rsa/html/xxviii/304-C/304-C-191.htm, checked August 12, 2026
New Hampshire formation fee: Filing fee, official source read 2026-10-01: www.sos.nh.gov/corporations-0/forms-and-fees/limited-liability-companies, checked October 1, 2026
New Hampshire formation fee: Filing fee, official source read 2026-10-01: gc.nh.gov/rsa/html/XXVIII/304-C/304-C-191.htm, checked October 1, 2026
New Hampshire Secretary of State, Corporations Division (multira state research spine): www.sos.nh.gov/corporations-0/file-annual-report, checked August 12, 2026
New Hampshire report due date (multira state research spine, due dates verified 714/714): www.gencourt.state.nh.us/rsa/html/XXVIII/304-C/304-C-194.htm, checked August 12, 2026
New Hampshire registered agent statute (N.H. RSA 304-C:36): gc.nh.gov/rsa/html/xxviii/304-C/304-C-36.htm, checked October 20, 2026