Support Guy's and St Thomas' | Guy's and St Thomas' Hospitals, Guy's and St Thomas' specialise in many areas, such as heart services, rare diseases and skin conditions. It is also the home of Guy's Cancer, one of the UK's leading providers of care and treatment for people with cancer. We are the Fundraising Team, working on behalf of Guy’s and St Thomas’ Charity to raise money for Guy’s and St Thomas’ NHS Foundation Trust.