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Patients Know Best
Personal health record platform
Patient access & engagementClinical workflow & hospital operations
Cambridge-founded social enterprise operating what it describes as the world's largest patient-controlled personal health record, integrating NHS trust and GP data for patients directly.
The read
Patients Know Best runs a personal health record platform that lets patients hold and control access to their own combined GP, hospital and specialist records, rather than each provider holding a separate siloed record. It integrates data feeds from GPs and hospital systems so patients can share a single record with any clinician, family member or carer.
The company passed 6 million registered patients by the end of 2025, up roughly 30% over the year, helped by a nationwide GP data integration launched in mid-2025, and has expanded into international deployments spanning Lagos, Nigeria and Saudi Arabia.
The Bridgehead view
PKB's social-enterprise structure and international expansion into Lagos and Saudi Arabia give it a credible non-NHS revenue base most UK patient-access vendors lack, insulating it somewhat from the NHS procurement cycles that dictate most of this cohort's growth.
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Working across the healthcare sector?
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