He was consecrated to the Episcopate on 28 May 2004, the principal consecrator being Cardinal Keith O'Brien, Archbishop of St Andrews and Edinburgh with co-consecrating bishops Maurice Taylor, Bishop Emeritus of Galloway and John Mone, Bishop of Paisley.
On May 28, 2004, he was formally installed as a bishop, with Cardinal Keith O'Brien, Archbishop of St Andrews and Edinburgh, presiding over the ceremony alongside Bishops Maurice Taylor, Bishop Emeritus of Galloway, and John Mone, Bishop of Paisley.