The hospital was founded by surgeons Joseph Sheehan, his brother Jimmy Sheehan, Maurice Neligan and Nuclear Medicine Specialist George Duffy as a private, high-tech hospital offering healthcare to private patients, in 1986.

[1] In September 2010, the clinic completed a €100 million extension to the existing hospital facility.

[2] Blackrock Clinic has over 300 consultants registered representing over 40 medical specialties.

The hospital has been awarded the Joint Commission International (JCI) accreditation.

[3][4] It has contracts with all the main Irish health insurance companies as well as being available to private self paying patients.