German energy firm SEFE enlists Lazard in reprivatisation efforts, sources say ↧ ↧ German energy firm SEFE enlists Lazard in reprivatisation efforts, ... German state-owned SEFE is working with investment bank Lazard to explore options in Berlin's efforts to sell the energy group, two people familiar with the matter said, as efforts to reshuffle the country's energy landscape ​pick up.