The original firm, Christo Kruger Architects, was established in 1984. In 1988 three offices were amalgamated with the name Coetzee, Steyn, Kruger & Oosthuizen Architects with offices in Richards Bay, Pretoria and Bloemfontein.  In 1996 the Vryburg office was opened and registered as a member of the South African Council of Architects as CSKO ARCHITECTS (NORTH WEST) CC.