Keystone Bank is a full service commercial bank currently owned by Sigma Golf River Bank Consortium after being acquired from the Asset Management Corporation of Nigeria (AMCON) in 2017. It was granted banking license on August 5, 2011, by the Central Bank of Nigeria (CBN). The Bank has met and exceeded all capital adequacy requirements of the CBN and assumed the deposit liabilities, certain other liabilities and assets of former Bank PHB Plc, following the revocation of the erstwhile bank’s operating License by the CBN