Every new Connecticut business filing, every dayDarien Diner
Petros Giapoutzis, Principal
Darien Diner is a family restaurant located at 275 Post Road in Darien, Connecticut, operating as Darien Diner LLC. The business is listed with the Darien Chamber of Commerce and appears on multiple restaurant directories, offering a menu and online reservations. The principal, Petros Giapoutzis, is associated with the diner at this address.
Filed October 16, 2025 · Darien, CT · Fairfield County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3307207 · Retrieved July 26, 2026
About Darien Diner
Darien Diner LLC filed in Connecticut on October 16, 2025, as a diner in Darien. Petros Giapoutzis is listed as the principal. The domain for its website was registered on November 7, 2011, over 5,000 days before the filing, and the site is built with WordPress. The website matches the filing's name and address. We estimate annual revenue under $100,000 and 1 to 5 employees. No annual report or EIN on file yet.
- Domain registered 14 years before the company filed, suggesting a pre-existing business or brand.
- Filed in Connecticut with a Darien principal address.
- Petros Giapoutzis is the owner and principal.
- Website is modern and built with WordPress, and its identity was confirmed against the filing.
- We estimate revenue under $100,000 and 1 to 5 employees.
- 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 23, 2026.
One of 34 new businesses registered in Darien in October 2025, and the only restaurant 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 Darien Diner registered?
Darien Diner was registered as LLC on October 16, 2025 in Connecticut.
Where is Darien Diner located?
Darien Diner is based in Darien, CT, 06820-3604, in Fairfield County.
What type of business is Darien Diner?
Darien Diner is classified as a restaurant business (diner).
Does Darien Diner have an EIN on file?
No EIN was found on file for Darien Diner at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
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