Harley Street Clinic is part of HCA Healthcare UK, the largest private network in the country. It specializes in cardiology and oncology. The London CyberKnife Center here was the first in the UK to offer CyberKnife treatment.

• CyberKnife treats brain, prostate, liver, pancreatic cancer and spinal lesions on an outpatient basis.
• Cardiology Department holds Centre of Excellence status from a US quality program.
• Top 10 hospital for heart surgeries in London, according to the Healthcare Commission.
• Cancer Center holds the Macmillan Quality Environment Mark for high-standard cancer care.
• Private wards include a bathroom, satellite TV, Wi-Fi, and air conditioning.

Royal Brompton and Harefield NHS Foundation Trust is the largest British center focused solely on heart and lung diseases. It treats both children and adults and partners with Imperial College's National Heart and Lung Institute. Core specialties include cardiology, cardiac surgery, thoracic surgery, and heart-lung transplantation.

• Treats over 40,000 inpatients and 200,000 outpatients each year.
• Pioneer in cardiac care: first to perform primary angioplasty for heart attacks and first to implant the Tendyne mitral valve system.
• One of the world's strongest artificial heart implant programs. First to adopt the Organ Care system for heart-lung transplants.
• Uses a remote-controlled robot for 3D mapping of arrhythmias. Also has the most advanced blood lab in Europe.
• Over 3,300 pacemaker implants, 2,300 angioplasties, and 1,200 open heart surgeries performed annually.

Harley Street at University College Hospital is a joint cancer centre. It combines HCA Healthcare UK and University College Hospital. The centre covers cancer, blood disorders, and pediatric oncology, with CQC, ISO, and JACIE accreditations.

• JACIE certification for bone marrow transplant and stem cell therapy, part of EBMT and ISCT.
• Clinical trial programme in partnership with Sarah Cannon Research Institute.
• Dedicated pediatric departments for oncology, cardiology, ENT, ophthalmology, and nephrology.
• Round-the-clock diagnostic and treatment services across 78 medical specialties.