 John Wesley wrote to Pretyman in 1790 accusing him of driving the 'people called Methodists' out of the established church.Pretyman continued to advise Pitt on finance and on Pitt's Ecclesiastical Plan.Pretyman was an opponent of Catholic emancipation and was against Pitt's 1801 decision to resign when he failed to effect the changes promised to the Irish Catholics in the compromises made over the passage of the Act of Union 1800.