 It was started by missionaries from Scotland, most notable of whom was Dr John Arthur.It has its headquarters in Nairobi South C.

The story of the Presbyterian Church of East Africa (PCEA) begins with a business company, when in 1889 Sir William Mackinnon and Mr. Alexander Low Bruce, made private plans for a Scottish Mission among the Kamba and Maasai and later to the Kikuyu people.In 1891, at the invitation of the late Sir William Mackinnon, Mr. A.L.