New Hampshire LLC Name Search

Check if your business name is available in New Hampshire before you file, then see New Hampshire's LLC naming rules, fees and filing requirements

New Hampshire
Filing Fee
$100
Certificate of Formation
Annual Report
$100
Due between January 1 and April 1 each year, starting the year after you form the LLC
Name Reservation
$15
Holds a name for 120 days

How Much Does an LLC Cost in New Hampshire?

Filing your Certificate of Formation in New Hampshire costs $100. After that, the annual report costs $100 a year and is due between January 1 and April 1 each year, starting the year after you form the LLC.

  • Certificate of Formation

    When you file to form the LLC. Source →

    $100

  • Annual Report

    Due between January 1 and April 1 each year, starting the year after you form the LLC. Late reports add a $50 fee. Source →

    $100

  • Name reservationOptional

    Holds a name for 120 days. Source →

    $15

  • Trade nameOptional

    Only if you do business under a name other than the LLC’s legal name. Source →

    $50

Checked against official New Hampshire sources on October 23, 2026. Fees change, so confirm with the state before you file.

LLC Requirements in New Hampshire

Formation Requirements

Basic Requirements

  • Operating Agreement (recommended)
  • Federal Tax ID (EIN)
  • Business Licenses (if applicable)

Registered Agent

New Hampshire requires all LLCs to maintain a registered agent in the state.

Contact the New Hampshire Business Filing Office

Search LLC Name isn’t a government website. For an official answer about a name or a filing, contact the state office directly.

Contact Details

Fax

775-684-5724

Address Information

Mailing Address

Corporation Division, Department of State, 107 N Main St., Concord, NH 03301-4989

Physical Address

Corporation Division, Department of State, 107 N Main St., Concord, NH 03301-4989

Official New Hampshire Resources

New Hampshire LLC Name Search FAQ

Enter the name in the search at the top of this page to open New Hampshire’s official business entity search. Search close variations too: New Hampshire law requires a new LLC name to be distinguishable from, and not the same as, the names already on file (RSA 304-C:32). A clear search is a good sign, but the state makes the final call when it reviews your filing.

It must include “Limited Liability Company” or an abbreviation such as “LLC” or “L.L.C.”. New Hampshire law requires a new LLC name to be distinguishable from, and not the same as, the names already on file (RSA 304-C:32). Words like Bank, Insurance or Trust usually need approval from another agency.

A New Hampshire name reservation costs $15 and holds the name for 120 days. You can reserve it again for another 120 days.

Filing your Certificate of Formation in New Hampshire costs $100. After that, the annual report costs $100 a year and is due between January 1 and April 1 each year, starting the year after you form the LLC.

Yes, New Hampshire requires every LLC to keep a registered agent in the state who can receive legal documents for the business.

New Hampshire requires an annual report ($100), due between January 1 and April 1 each year, starting the year after you form the LLC. You also need to keep a registered agent in the state.

Register a trade name with the Secretary of State for $50. It lasts five years.

LLC Name Search in Other States