Mr Muya founded the bank in 1984 as Family Finance Building Society, later opening the first branch in Kiambu town in 1985.

Today, Family Bank boasts assets of Sh168.5 billion and a network of 95 branches, making it one of Kenya's largest lenders and the sixth-largest by branch network.

Mr Muya and his associates currently hold a combined 35.67 percent stake in the bank, equivalent to 593.03 million shares.

Mr Muya founded the bank in 1984 as Family Finance Building Society, later opening the first branch in Kiambu town in 1985.