[2] Gower served as Private Secretary to Austen Chamberlain as Chancellor of the Exchequer and as Lord Privy Seal, from 1919 to 1922.

[3] He served as Principal Private Secretary to the Prime Minister of the United Kingdom, during which time he served three different prime ministers; Bonar Law; Stanley Baldwin; and Ramsay MacDonald, from 1922 to 1928.

[4][5] After leaving 10 Downing Street, Gower served as Chief Press Officer to the Conservative Party from 1929 to 1939.

[6][2] In 1939 he left Whitehall to become chairman of advertising firm Charles F. Higham, where he remained until retirement.

[7] He was awarded an Order of the Bath (CB) in the 1922 New Years Honours list;[8] a Royal Victorian Order (CVO) in the 1923 Prime Minister's Resignation Honours;[9] and was knighted (KBE) for services to the Prime Minister.