Same-Day results for all A.M. appointments Express PCR tests (results within 90 mins)

The COVID-19 testing experts

Private Harley Street Clinic is an industry-leading provider of Covid-19 PCR testing, Rapid Antigen Tests, Antibody and T Cell Testing. Our goal is to provide patients with fast, safe and accurate testing options, including in-clinic, at home, through the post or in the workplace.

Looking for COVID-19 testing for your business?

We work with a range of enterprise-level organisations to help them prepare their employees for a safe return to work. Find out how we can help your business.


Same day results for morning
PCR Tests


Highly sensitive and accurate


Tests procured and performed
by medical professionals

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Private Harley street Clinic

About US

Private Harley Street Clinic was founded in 2009 by Dr. Mark Ali. Dr. Ali is a cardiothoracic surgeon and holds a degree in Immunology and Molecular Biology. The clinic is a leading provider of private and corporate Covid-19 testing solutions for individuals and companies.

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