StoneCastle Insured Sweep, LLC (d/b/a interLINK) is a technology-enabled deposit gathering platform that provides customized cash administration solutions to broker-dealers and clearing companies.  StoneCastle Partners developed the interLINK platform for a prospective bank owner to utilize as an alternative funding channel to harvest low all-in cost, stable deposits, and improve overall profitability.

StoneCastle completed the sale of interLINK to Webster Financial Corporation (NYSE: WBS) in January 2023.