Maine Business Entity Search
Maine’s business register is kept by the Maine Secretary of State, Bureau of Corporations. Here is its official search and how to use it.
We don’t search Maine’s registry yet
To find a Maine LLC or corporation, use the official search — it’s the authoritative record.
Open the official Maine searchMaine Secretary of State, Bureau of Corporations · apps3.web.maine.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 Maine record
- Registry
- Maine Secretary of State, Bureau of Corporations
- Official search
- apps3.web.maine.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 Maine publishes is on its official record.
Choosing a name for a new Maine LLC?
See which similar names are already registered before you file.
Business name search →FAQ
How do I look up a business in Maine?
Use the official business search of the Maine Secretary of State, Bureau of Corporations: https://apps3.web.maine.gov/nei-sos-icrs/ICRS?MainPage=x.
Does USACIP search Maine companies?
Not Maine’s registry yet. USACIP can still find companies through SEC filings, IRS nonprofit data and federal records. For Maine filings, use the official Maine Secretary of State, Bureau of Corporations search.
How do I check if a business name is available in Maine?
Search the name on the official Maine Secretary of State, Bureau of Corporations 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 Maine Secretary of State, Bureau of Corporations.
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