The women who spoke exclusively to the BBC told the broadcaster that Salah Fayed who died in 2010 abused them between 1989 and 1997 and one woman believed she was drugged and then raped.
Harrods which changed ownership in 2010 said it “raised serious allegations” against Al Fayed’s brother.
So far at least 40 survivors have come forward about the sexual abuse from Mohammed Al Fayed, which allegedly took place between 1979 and 2013.