Following a private education, he went into business as a wine merchant, and in 1894 established Hatch, Mansfield and Company. Hatch was unsuccessful Conservative parliamentary candidate for the Gorton Division of Lancashire at a by-election in 1889 and at the succeeeding general election in 1892. On his third attempt, in the 1895 election, he was elected as Gorton"s Member of Parliament. Hatch remained as Conservative member for Gorton until 1904, when his disagreement with Joseph Chamberlain over free trade led to him crossing the floor to the Liberal Party.
At the next general election in 1906 he had little support from Liberal activists for his candidature, and accordingly withdrew.
In 1908 he was created a baronet, "of Portland Place, in the Metropolitan Borough of Street Marylebone". He was appointed chairman and treasurer of University College Hospital, London
He was also Chairman of Council of the Beyond Seas Association for Reception of Officers and Relatives from beyond the seas, and for this he was appointed Knight Commander of the Order of the British Empire (Knight Commander of the Order of the British Empire) in the 1920 New Year Honours.
Ernest Hatch married Lady Constance Blanche Godolphin Osborne in 1900, aunt of John Osborne, later Duke of Leeds. They had one daughter, and the baronetcy became extinct on Sir Edward"s death in 1927.
26th United Kingdom Parliament. 27th United Kingdom Parliament.