Every new Connecticut business filing, every daySellSide Group
Sthree Holdings LLC, Principal
SellSide LLC is a Connecticut-registered entity whose principal is Sthree Holdings LLC at a Hamden, CT address. The closest website match is SellSide Group, which describes itself as helping mid-market owners with M&A advisory and transactions. The name alignment is strong, but the filing and website locations differ, making the match probable rather than certain.
Filed October 20, 2026 · Hamden, CT · New Haven County
Find new m&a advisory businesses in Hamden, then launch a cold email campaign built for you.
Every new Connecticut filing, every day
See how it worksSource
Connecticut Secretary of the State (business.ct.gov) · Entity 3536854
About SellSide Group
SellSide Group is a m&a advisory business (LLC) registered on October 20, 2026 with the Connecticut Division of Corporations. The business is located in Hamden, Connecticut 06517-2113. New Haven County is its county of record. The record lists Sthree Holdings LLC as Principal.
One of 66 new businesses registered in Hamden in October 2026, and the only m&a advisory business registered there that month.
Is this business yours?
It's getting views. Claim the page for free to control what your customers see.
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 SellSide Group registered?
SellSide Group was registered as LLC on October 20, 2026 in Connecticut.
Where is SellSide Group located?
SellSide Group is based in Hamden, CT, 06517-2113, in New Haven County.
What type of business is SellSide Group?
SellSide Group is classified as a m&a advisory business (mid-market business transactions).
Does SellSide Group have an EIN on file?
No EIN was found on file for SellSide Group at the time of registration.
Who Sells to This Business
Based on the business category, these service providers typically target this type of business.
Turn fresh m&a advisory businesses into your next customers
We find newly registered businesses, verify their contact details, and build the campaign. You review everything before anything sends.
Build My Campaign Free ›