Duba wurin da ke ƙasa sannan ka amsa tambayar daga baya a cikin harshe ɗaya kamar yadda wurin yake:  Passage: A cikin 1854 William Cooper ya kafa aikin lissafi a London, wanda ya zama Cooper Brothers shekaru bakwai bayan haka lokacin da 'yan uwansa uku suka shiga.A cikin 1898, Robert H. Montgomery, William M. Lybrand, Adam A. Ross Jr. da ɗan'uwansa T. Edward Ross sun kafa Lybrand, Ross Brothers da Montgomery a Amurka.A cikin 1957 Cooper Brothers; Lybrand, Ross Bros & Montgomery da wani kamfanin Kanada McDonald, Currie da Co sun yarda su ɗauki sunan Coopers & Lybrand a cikin aikin ƙasa da ƙasa. A cikin 1973 kamfanonin membobin uku a Burtaniya, Amurka da Kanada sun canza sunayensu zuwa Coopers & Lybrand. Sannan a cikin 1980 Coopers & Lybrand ya faɗaɗa ƙwarewar sa a cikin fatarar kuɗi ta hanyar sayen Cork Gully, babban kamfani a wannan fannin a Burtaniya. A cikin 1990 a wasu ƙasashe ciki har da Burtaniya, Coopers & Lybrand sun haɗu da Deloitte Haskins & Sells don zama Coopers & Lybrand Deloitte: a cikin 1992 sun koma Coopers & Lybrand.  Tambaya: Menene sunan kamfanin da ya canza sunansa zuwa Coopers & Lybrand a 1992?
Coopers da Lybrand Deloitte