London’s universities consistently rank highly in a number of different rankings. The Guardian University Guide 2015 ranks the following London universities amongst the top universities in the UK for computer science and information systems:

Imperial College London

Imperial College London is the world’s second best university according to the 2014 QS World University Rankings. The Department of Computing at Imperial is one of the largest computing departments in the UK and is particularly well known for work around distributed computing, logic and artificial intelligence, high-performance computing, visual information processing, computing theory and computational aspects of management science.

UCL (University College London)

Described by the Sunday Times as "an intellectual powerhouse with a world-class reputation", UCL is consistently ranked as one of the top universities in the UK and features in the top five universities worldwide. UCL Computer Science department is a global leader in research in experimental computer science.