Every new Connecticut business filing, every dayCube Biotech
Didier Dargent, Principal
Cube Biotech is a biotechnology company based in East Hartford, CT, specializing in membrane protein expression, purification, and crystallization. The team has over 40 years of combined experience in this niche. The company offers products and custom services for membrane protein stabilization and purification, as indicated on their website.
Filed April 9, 2026 · East Hartford, CT · Hartford County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3420301 · Retrieved July 27, 2026
About Cube Biotech
Cube Biotech, Inc. filed in Connecticut on April 9, 2026, with Didier Dargent as principal. The company's domain was registered 5,084 days before filing, through Hetzner Online GmbH. Its website matches the filing name and address, and we estimate revenue of $1M-$10M with 6-25 employees. Two other entities share the same address. No annual report or EIN is on file yet.
- Domain registered 5,084 days before the filing date, indicating a long-established online presence.
- Filed by a principal (Didier Dargent) rather than a service agent.
- Website identity confirmed, matching the filing name and address.
- Two other entities share the same principal address.
- 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 62 new businesses registered in East Hartford in April 2026, and the only biotechnology 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 Cube Biotech registered?
Cube Biotech was registered as Corp on April 9, 2026 in Connecticut.
Where is Cube Biotech located?
Cube Biotech is based in East Hartford, CT, 06108-3666, in Hartford County.
What type of business is Cube Biotech?
Cube Biotech is classified as a biotechnology business (membrane protein research tools).
Does Cube Biotech have an EIN on file?
No EIN was found on file for Cube Biotech 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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