The Mountain Baronetcy, of Oare Manor in the County of Somerset and Brendon in the County of Devon, is a title in the Baronetage of the United Kingdom.

He was Chairman of Eagle Star & British Dominions Insurance Company Limited (which later became Eagle Star Insurance Company Ltd).

succeeded Sir Edward as Chairman of Eagle Star Insurance Company Ltd.

The third Baronet also became Chairman of Eagle Star Insurance Company Ltd.

The heir apparent is the present holder's son Thomas Denis Edward Mountain (born 1989).