Every new Connecticut business filing, every dayHamilton High School
RICK GANG YANG, Principal
This appears to be a school-related entity, likely connected to Hamilton High School or a similar educational institution. The Greenwich Public Schools system (W2) is also nearby, suggesting a local educational context.
Filed June 9, 2025 · Old Greenwich, CT · Fairfield County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3235262 · Retrieved July 26, 2026
About Hamilton High School
Hamilton High School LLC filed in Connecticut on June 9, 2025, with Rick Gang Yang as Principal. The company is in the K-12 school category. Its domain was registered on March 5, 2017, 3,018 days before the filing, using GoDaddy and built with Edlio CMS. The website is modern and the business has a brick-and-mortar footprint. One other entity shares the same address. No annual report or EIN on file yet. We estimate revenue between $1M and $10M and 26 to 100 employees.
- Domain registered 3,018 days before the Connecticut filing, indicating a pre-existing online presence.
- Filed by Rick Gang Yang as Principal, a personal filing.
- Website built with Edlio CMS, a platform commonly used for educational institutions.
- One other entity shares the same address, suggesting shared premises.
- No annual report or EIN on file yet, indicating early-stage or inactive status.
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 10 new businesses registered in Old Greenwich in June 2025, and the only education 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.
Officers / Authorized Persons
Frequently Asked Questions
When was Hamilton High School registered?
Hamilton High School was registered as LLC on June 9, 2025 in Connecticut.
Where is Hamilton High School located?
Hamilton High School is based in Old Greenwich, CT, 06870-1366, in Fairfield County.
What type of business is Hamilton High School?
Hamilton High School is classified as a education business (k-12 school).
Does Hamilton High School have an EIN on file?
No EIN was found on file for Hamilton High School at the time of registration.
Who Sells to This Business
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