Every new Connecticut business filing, every dayMartone Building Group
Sherry Cotrona, Principal
Martone Building Group builds luxury custom homes, with over 20 years of experience. The business is based in Glastonbury, CT, and also operates from Naples, FL.
Filed July 17, 2026 · Glastonbury, CT · Hartford County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3481024 · Retrieved July 27, 2026
About Martone Building Group
Martone LLC filed in Connecticut on July 17, 2026, as a custom home building company based in Glastonbury. Sherry Cotrona is listed as Principal. The company’s domain was registered over six years before the filing, on March 21, 2020, through GoDaddy, and the site was built with Wix. The business was first seen by our system ten days after filing. It shares its principal address with 474 other entities. No annual report or EIN on file yet. We estimate revenue between $1 million and $10 million and 6 to 25 employees.
- Domain registered over six years before the Connecticut filing.
- Filed by Sherry Cotrona as Principal.
- We estimate revenue of $1M-$10M and 6-25 employees.
- Shares its principal address with 474 other entities.
- Website built with Wix and assessed as modern.
- 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 256 new businesses registered in Glastonbury in July 2026, and the only construction 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 Martone Building Group registered?
Martone Building Group was registered as LLC on July 17, 2026 in Connecticut.
Where is Martone Building Group located?
Martone Building Group is based in Glastonbury, CT, 06033, in Hartford County.
What type of business is Martone Building Group?
Martone Building Group is classified as a construction business (custom home building).
Does Martone Building Group have an EIN on file?
No EIN was found on file for Martone Building Group at the time of registration.
Who Sells to This Business
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