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Registering a DBA (Assumed Name) in New Hampshire

Where and how to file a DBA, trade name or assumed name in New Hampshire, and the fee.

Short answer: An LLC doing business under a trade name other than the name under which it is registered must register the trade name with the Secretary of State. The registration fee is $50; RSA 349:1, 349:7, 349:8

DBA / assumed nameAn LLC doing business under a trade name other than the name under which it is registered must register the trade name with the Secretary of State. The registration fee is $50; registrations last 5 years and must be renewed (renewal fee $50). A trade name must be distinguishable from other names on the Secretary of State's records.
Name rules and reservationThe name must contain the words "limited liability company" or the abbreviation "L.L.C." or "LLC" or a similar abbreviation, and may contain the name of a member or manager. It must be distinguishable on the Secretary of State's records from other registered entity names, reserved names and certain government and political party names; differences only in articles, plurals, phonetic spelling, abbreviations or entity-type words do not count. A name can be reserved for 120 days (and re-reserved for successive 120-day periods); the reservation fee is $15.

Where to get help in New Hampshire

More New Hampshire starting an llc & small business

FAQ

How do you register a DBA in New Hampshire?
An LLC doing business under a trade name other than the name under which it is registered must register the trade name with the Secretary of State. The registration fee is $50; registrations last 5 years and must be renewed (renewal fee $50). A trade name must be distinguishable from other names on the Secretary of State's records.
What are the LLC name requirements in New Hampshire?
The name must contain the words "limited liability company" or the abbreviation "L.L.C." or "LLC" or a similar abbreviation, and may contain the name of a member or manager. It must be distinguishable on the Secretary of State's records from other registered entity names, reserved names and certain government and political party names; differences only in articles, plurals, phonetic spelling, abbreviations or entity-type words do not count. A name can be reserved for 120 days (and re-reserved for successive 120-day periods); the reservation fee is $15.

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.