New Hampshire Business Entity Search
New Hampshire’s business register is kept by the New Hampshire Secretary of State, Corporation Division. Here is its official search and how to use it.
We don’t search New Hampshire’s registry yet
To find a New Hampshire LLC or corporation, use the official search — it’s the authoritative record.
Open the official New Hampshire searchNew Hampshire Secretary of State, Corporation Division · quickstart.sos.nh.gov
How to search it
- Open the official search and choose a search by business or entity name.
- Type a distinctive part of the name; leave out “LLC” or “Inc.” if nothing comes up.
- Open the matching record to see its status, filing history and registered agent, as far as the state publishes them.
You can still check companies on USACIP
USACIP searches companies registered with the SEC, nonprofits in IRS data, federal records, and the state registries we already cover.
The official New Hampshire record
- Registry
- New Hampshire Secretary of State, Corporation Division
- Official search
- quickstart.sos.nh.gov
State business searches generally show a company’s legal name, entity type, status, formation date and registered agent; some also list officers or managers. Exactly what New Hampshire publishes is on its official record.
Choosing a name for a new New Hampshire LLC?
See which similar names are already registered before you file.
Business name search →FAQ
How do I look up a business in New Hampshire?
Use the official business search of the New Hampshire Secretary of State, Corporation Division: https://quickstart.sos.nh.gov/online/BusinessInquire.
Does USACIP search New Hampshire companies?
Not New Hampshire’s registry yet. USACIP can still find companies through SEC filings, IRS nonprofit data and federal records. For New Hampshire filings, use the official New Hampshire Secretary of State, Corporation Division search.
How do I check if a business name is available in New Hampshire?
Search the name on the official New Hampshire Secretary of State, Corporation Division site first: a name already on file there is a sign it may be taken. The state makes the final decision when you file or reserve the name.
State facts on this page were checked on the official sources linked above on October 7, 2026. USACIP is not affiliated with the New Hampshire Secretary of State, Corporation Division.
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