Jones Day’s London office has won its first finance mandate from German investment banking giant Dresdner Klein-wort, advising on its role in the £1.6bn takeover of Northern Irish electricity supplier Viridian by Arcapita.

The firm’s finance head, Ed Nalbantium, is leading a team advising Dresdner as financial adviser to Bahraini private equity firm Arcapita on its recommended £1.6bn cash bid for Viridian.