In August 1952, Mandela had opened his own firm but, after just several months, he invited Tambo to join him in the establishment of Mandela and Tambo in two small rooms at Chancellor House, the building housing the headquarters of the African National Congress.
Pada Agustus 1952, Mandela membuka firmanya sendiri:210 namun, setelah beberapa bulan, ia mengundang Trambo untuk bergabung dengannya dalam pendirian Mandela and Tambo di dua ruang kecil di Dewan Kanselir, gedung yang merumahi markas besar Kongres Nasional Afrika.