The firm has a global reach thanks to the takeover by Dresdner Bank of the UK investment bank Kleinwort Benson in 1995 and the US investment bank Wasserstein Perella in 2001 ( from Bruce Wasserstein ) .
The firm has particular strengths in its two home markets of Germany and the UK thanks to the takeover by Dresdner Bank of the UK investment bank Kleinwort Benson in 1995 . 
 It added global reach through the aquisition of the US investment bank Wasserstein Perella in 2001 ( from Bruce Wasserstein ) .