He initially worked as a chemist, but from 1920 as a journalist, and then in 1923 became a barrister with the Middle Temple.
[1] Neep was a supporter of the Labour Party and stood in numerous elections, never winning a Parliamentary seat.
At the 1924 United Kingdom general election, he instead stood in Leeds Central, managing 40.4% of the vote.
His final contest was Lowestoft at the 1931 United Kingdom general election, where he won 32.3% of the votes cast.
[1][2] During the 1930s and 1940s, Neep focused on his career as a barrister, and wrote several books, including A Handbook of Church Law, and Gladstone: a spectrum.