[3] Later he was invited to study in the United States and become a student of the Westminster Theological Seminary in Philadelphia, Pennsylvania.
The church organised Westminster Theological Seminary in Uganda to train and equip national pastors.
[6][7] The PCU founding congregations across Uganda, the number of churches and members are growing rapidly.
[11] The Orthodox Presbyterian Church (USA) begun work in Mbale, Uganda since 1995, and later the mission moved to Karamoja.
The Orthodox Presbyterian Churches in Mbele holds provisional membership in the PCU, but they are full incorporated as Mbale Presbytery.