[2] He was ordained a priest on 11 February 1984 at St Joseph's Church, Reddish, Stockport, by the Right Reverend Thomas Holland, Bishop of Salford.

[2] In January 1988, he was appointed the private secretary to Bishop Patrick Kelly of Salford (later Archbishop of Liverpool), a post in which Davies remained until December 1992.

[2] On 22 December 2009, he was appointed the Coadjutor Bishop of Shrewsbury, and consecrated to the episcopate at St Anthony's Church, Wythenshawe, Manchester on the 22 February 2010.

[7] In 2016, he supported the establishment of a Shrewsbury chapter of Courage International, an organisation that promotes celibacy for gay Catholics.

[8] Ahead of the 2019 general election, Davies opposed political parties making manifesto statements of support for abortion, which were previously the decision of individual candidates.