Aquiline and SEI have entered into a definitive agreement for Aquiline to acquire SEI’s Family Office Services business. Following the transaction’s close, the business will operate as Archway, capitalizing on the well-known and respected brand of the Archway Platform within the family office market.

SEI Investments Co. SEIC has agreed to divest its Family Office Service operations to Acquiline Capital Partners LP (Acquiline) for $120 million. Details of SEIC’s Divestiture SEIC’s Family Office Services business offers technology and outsourced solutions that integrate accounting,

Oaks-based SEI Investments has agreed to sell a division of the company to a New York firm, affecting roughly 150 employees.

Oak’s SEI Investments has agreed to sell its family office services business to New York-based investment firm Aquiline Capital Partners, writes Jeff