UK law firm Olswang has launched LongAcre Partners, an independent corporate finance advisor, specialising in technology, media and communications.

JP Morgan Corsair II Capital Partners, the $1bn investment fund of JP Morgan, has taken a 15% stake in the operation.

LongAcre's board of directors includes Olswang chairman Simon Olswang; Olswang chief executive officer Jonathan Goldstein; Marc Hotimsky, a former managing director at Credit Suisse First Boston; Steve Smith, a former managing director of the equity department at UBS Warburg; and Ignacio Jayanti, a partner at Corsair.