The Banner of Truth Trust is an evangelical and Reformed Christian non-profit publishing house, structured as a charitable trust and founded in London in 1957 by Iain Murray, Sidney Norton and Jack Cullum. Its offices are now in Edinburgh, Scotland with a key branch office and distribution point in Carlisle, Pennsylvania. It positions itself within the conservative evangelical wing of the church, and has been described as "an extremely powerful organization within British nonconformist evangelicalism."