Ok, here provided below is the list of some best Medical Colleges in the UK which you are looking

University of Oxford

University of Cambridge

Imperial College London

Kings College London

The University of Edinburgh

The University of Manchester

London School of Hygiene and Tropical Medicine

Queen Mary University of London

The University of Nottingham

The University of Sheffield

University of Bristol

University of Glasgow

University of Leeds

University of Liverpool

University of Southampton

Newcastle University

The University of Warwick

University of Aberdeen

Cardiff University

Queen's University Belfast

University of East Anglia (UEA)

University of York