Centerview Partners, the US advisory boutique, is top of the global technology mergers and acquisitions league table after advising Cisco Systems on the largest-ever UK M&A deal involving a private equity firm in the tech sector.

Yesterday Cisco said in a statement that it had agreed to acquire NDS Group, a UK software provider for television set-top boxes, from buyout firm Permira Advisors and News Corp, which owns Dow Jones.