SPHERE (Systems Powering Healthcare Ltd) is an IT Service Provider delivering IT Service Management and shared IT infrastructure services to the healthcare sector. In March 2015, the Chelsea & Westminster NHS Foundation Trust and the Royal Marsden NHS Foundation Trust moved to a shared service model for common IT functions through the formation of SPHERE (Systems Powering Healthcare Ltd). SPHERE, is a company jointly and wholly owned by Chelsea & Westminster Hospital and the Royal Marsden NHS Foundation Trusts - it represents a collaboration and pooling of resources between the Trusts to deliver improved IT services to its members.