Every new Connecticut business filing, every dayMediastack
David Madacsi, Principal
The business is registered in Old Saybrook, Connecticut, and the website offers a free tier for developers to integrate real-time news data.
Filed January 20, 2026 · Old Saybrook, CT · Middlesex County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3360543 · Retrieved July 27, 2026
About Mediastack
MediaStack LLC filed in Connecticut on January 20, 2026, as an API services company. The domain was registered 15 years before filing, on December 6, 2010, through GoDaddy. David Madacsi is the principal. The website is modern and online-only. We estimate revenue between $1 million and $10 million with 6-25 employees. No annual report or EIN on file yet.
- Domain registered 5,524 days before filing, indicating a well-established online business.
- Filed 188 days before first seen by DayOneLead, a longer gap.
- Online-only footprint with no brick-and-mortar presence.
- No registered agent listed in the filing.
- 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 15 new businesses registered in Old Saybrook in January 2026, and the only api services 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 Mediastack registered?
Mediastack was registered as LLC on January 20, 2026 in Connecticut.
Where is Mediastack located?
Mediastack is based in Old Saybrook, CT, 06475, in Middlesex County.
What type of business is Mediastack?
Mediastack is classified as a api services business (news data api).
Does Mediastack have an EIN on file?
No EIN was found on file for Mediastack 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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