Andrew is currently Director of Music at Little St Mary’s Church in Cambridge, and was previously Managing Director of Harrison & Harrison Organ Builders (2017–22) and also Director of the Royal School of Church Music. He worked in cathedral music between 1996 and 2012 as Director of Music at Peterborough Cathedral, Sub Organist of Westminster Abbey, and Assistant Master of Music at Westminster Cathedral. In the latter two positions he played for the funerals of HM Queen Elizabeth the Queen Mother and Cardinal Basil Hume, and accompanied various critically acclaimed recordings on the Hyperion label. While in Peterborough he directed the Northampton Bach Choir and instigated choral and orchestral concerts in the cathedral.

Andrew, who is originally from Kent and educated at Cambridge, is married to Louise, and they have four children, who have all been cathedral choristers. He also once performed the complete organ works of JS Bach in a single 25-hour recital.