Short answer: Must be distinguishable and include proper designators.
We've pulled these figures from the Secretary of State, Corporation Division's own pages. If something's changed since our last check, the state's portal wins, so it's worth a quick look before you pay.
New Hampshire naming rules
Must be distinguishable and include proper designators.
Open the official New Hampshire name search
Reserving a name
New Hampshire lets you reserve a name for $17, which holds it for 120 days.
Doing business under another name
New Hampshire DBAs are filed with: state. Fee: $50.
How New Hampshire compares
New Hampshire's name reservation fee is $17. That's the 14th lowest of 50 jurisdictions we track. The national median is $25, so New Hampshire comes in $8 under it.
| State | Fee | National rank (1 = highest) |
|---|---|---|
| New Hampshire | $17 | 37 of 50 |
| Maine | $20 | 33 of 50 |
| Massachusetts | $30 | 13 of 50 |
| Vermont | $25 | 18 of 50 |
| Rhode Island | $50 | 7 of 50 |
| Connecticut | $60 | 4 of 50 |
New Hampshire fees that apply here
| Filing | State fee | Notes |
|---|---|---|
| Certificate of Formation (Form LLC-1) | $102 | $100 for paper filings submitted by mail; online filings incur an additional $2 electronic handling charge. |
| Name reservation (optional) | $17 | 120 days |
| Amendment | $37 | |
| DBA / assumed name | $50 | state |
Name search and rules: New Hampshire questions
How do I check if an LLC name is available in New Hampshire?
Use the official Secretary of State, Corporation Division business search. A name that's distinguishable from existing records can usually be registered.
What words must a New Hampshire LLC name include?
Must be distinguishable and include proper designators.
Can I reserve an LLC name in New Hampshire?
Yes. Reservation costs $17 and holds the name for 120 days.
Do I need a DBA in New Hampshire?
Only if you'll do business under a name other than your exact LLC name. DBAs are filed with: state. Fee: $50.
Sources and verification
Last checked against official state sources on . States change fees with little notice, so confirm on the filing portal before you pay. How we verify.