The Harley Street Clinic focuses on offering you world-class care in cardiology, cancer and the neurosciences. The facility is equipped to provide cutting-edge medical care across a range of conditions. The Harley Street Clinic is part of the HCA Healthcare group – a collection of award-winning hospitals and clinics that provide you with world-class private healthcare. Founded in 1968, we’ve been at the forefront of private medical care for over 50 years.