Breast Cancer Now funds the Breast Cancer Now Breast Cancer Research Centre at The Institute of Cancer Research – the world’s first dedicated breast cancer research centre. It brings together 140 scientists and clinicians to focus on breast cancer biology, diagnosis and treatment.

Breast Cancer Now also supports several long-term epidemiological studies at the ICR aiming to learn more about the causes of breast cancer. It funds the Breakthrough Generations Study, the world's most comprehensive study into the causes of breast cancer, and the Male Breast Cancer Study – the largest study into the causes of breast cancer in men.

Breast Cancer Now also runs research units at King’s College London and in the Manchester Cancer Research Centre, and research programmes at the University of Dundee and the University of Edinburgh in Scotland.