Every new Connecticut business filing, every dayFormstone Labs
Nathaniel Weiner, Principal
Formstone Labs is a small software studio based in Glastonbury, CT, building focused products in healthcare data and consumer health. The principal, Nathaniel Weiner, operates from the same address listed in the LLC filing. The website showcases projects including Indicator Health and Lunchbox, indicating active development in the health tech space.
Filed February 2, 2026 · Glastonbury, CT · Hartford County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3369494 · Retrieved July 26, 2026
About Formstone Labs
Formstone Labs LLC filed in Connecticut on February 2, 2026, with a principal address in Glastonbury. Principal Nathaniel Weiner is listed as the owner. The domain was registered just 2 days before filing, on January 31, 2026, through Key-Systems GmbH. The website matched the filing's name and address. The company shares its address with 725 other entities. No annual report or EIN on file yet. We estimate annual revenue under $100,000 and 1-5 employees, with an online-only footprint.
- Domain registered just 2 days before the company filed, suggesting last-minute setup.
- Principal Nathaniel Weiner is the owner.
- Website confirmed to match the filing's name and address.
- Shares its address with 725 other entities, indicating a virtual office or shared space.
- We estimate revenue under $100,000 and 1-5 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 192 new businesses registered in Glastonbury in February 2026, one of 3 software development businesses.
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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 Formstone Labs registered?
Formstone Labs was registered as LLC on February 2, 2026 in Connecticut.
Where is Formstone Labs located?
Formstone Labs is based in Glastonbury, CT, 06033, in Hartford County.
What type of business is Formstone Labs?
Formstone Labs is classified as a software development business (healthcare software).
Does Formstone Labs have an EIN on file?
No EIN was found on file for Formstone Labs at the time of registration.
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