Every new New York business filing, every daySag Harbor Jiu Jitsu
JAMES MACWHINNIE, Registered Agent
Sag Harbor Jiu Jitsu LLC appears to operate under the Sag Harbor Karate brand, offering Brazilian Jiu-Jitsu classes. The principal address on the filing is 232 Big Fresh Pond Rd, Southampton, NY, suggesting a possible administrative office separate from the training location.
Filed December 3, 2025 · Southampton, NY · Suffolk County
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New York Department of State, Division of Corporations · Entity 7773157 · Retrieved May 17, 2026
About Sag Harbor Jiu Jitsu
SAG HARBOR JIU JITSU LLC filed in New York on December 3, 2025, with owner James MacWhinnie as the personally filed registered agent from Southampton. Its domain was registered on April 16, 2012, through Wild West Domains, 4,979 days before filing, and the company was first seen on May 17, 2026. The website, built with WordPress, has a modern quality and its identity was confirmed to match the filing name and address. No annual report or EIN on file yet. We estimate revenue between $100K and $1M and 1 to 5 employees, with a brick-and-mortar footprint.
- Domain registered 4,979 days before filing, indicating a long-established online presence.
- Owner filed personally as registered agent, a direct approach.
- Website identity confirmed, matching the business name and address.
- First seen 165 days after filing, a typical delay.
- No annual report or EIN on file yet.
Compiled from the state record, the company's public web presence, and our own research; revenue, employee, and footprint figures are estimates, not verified financials. Updated August 24, 2026.
One of 40 new businesses registered in Southampton in December 2025, and the only martial arts school business registered there that month.
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Filing Details
Verified Business Profile
Contact Information
Verified Website Profile
We matched this business to its website and pulled the domain's registration (WHOIS) record. Domain age is one of the strongest signals that a filing is a truly new business and not a re-filing or paperwork change.
Frequently Asked Questions
When was Sag Harbor Jiu Jitsu registered?
Sag Harbor Jiu Jitsu was registered as LLC on December 3, 2025 in New York.
Where is Sag Harbor Jiu Jitsu located?
Sag Harbor Jiu Jitsu is based in Southampton, NY, 11968, in Suffolk County.
What type of business is Sag Harbor Jiu Jitsu?
Sag Harbor Jiu Jitsu is classified as a martial arts school business (brazilian jiu-jitsu).
Does Sag Harbor Jiu Jitsu have an EIN on file?
No EIN was found on file for Sag Harbor Jiu Jitsu at the time of registration.
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