Every new Connecticut business filing, every daySage & Slate Designs
Kathleen Simpson, Principal
Sage & Slate Design Studio LLC is an interior design business registered in Middlebury, CT, with Kathleen Simpson as principal. The business appears to be a small design studio, likely operating locally or remotely.
Filed November 29, 2025 · Middlebury, CT · New Haven County
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Connecticut Secretary of the State (business.ct.gov) · Entity 3331872 · Retrieved July 27, 2026
About Sage & Slate Designs
Sage & Slate Design Studio LLC filed in Connecticut on November 29, 2025, as a residential interior design firm. Kathleen Simpson is listed as the Principal. The company's domain was registered about five months before the filing, on May 8, 2026, through HOSTINGER operations, UAB. DayOneLead first saw the business on July 27, 2026, 240 days after filing. No annual report or EIN on file yet. We estimate revenue between $1M and $10M and 6 to 25 employees, with a brick-and-mortar footprint. The website is modern in quality.
- Domain registered 160 days before the filing date.
- Filed in Connecticut as a residential interior design firm.
- Kathleen Simpson is the Principal.
- We estimate revenue of $1M-$10M and 6-25 employees.
- No annual report or EIN on file yet.
- Website is modern quality.
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 8 new businesses registered in Middlebury in November 2025, and the only interior design 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.
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Frequently Asked Questions
When was Sage & Slate Designs registered?
Sage & Slate Designs was registered as LLC on November 29, 2025 in Connecticut.
Where is Sage & Slate Designs located?
Sage & Slate Designs is based in Middlebury, CT, 06762-1621, in New Haven County.
What type of business is Sage & Slate Designs?
Sage & Slate Designs is classified as a interior design business (residential interior design).
Does Sage & Slate Designs have an EIN on file?
No EIN was found on file for Sage & Slate Designs at the time of registration.
Who Sells to This Business
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