National Data Guardian statement on NHS Federated Data Platform data access, in response to the Not With My NHS Data campaign
Response to concerns from the Not With My NHS Data campaign about access to patient data by external contractors in the NHS FDPFederated andData NDITPlatform environment.National Data Integration Tenant.
Dr Nicola Byrne, National Data Guardian for health and social care
Many members of the public have contacted the Office of the National Data Guardian (NDG) through the Not With My NHS Data campaign to raise their concerns about external contractors having access to identifiable patient information in the NHS Federated Data Platform (NHS FDP) and its associated National Data Integration Tenant (NDIT).
Public trust is essential to the use of health and care data, and it is right that people ask questions about how their information is used. Whilst we welcome this engagement, we are not able to engage with each enquiry individually due to the volume of correspondence received. We hope, however, that this statement provides a clear response to the main concerns we understand people are raising.
The National Data Guardian’s role
To explain our role, the National Data Guardian is an independent statutory office holder, established to provide advice and challenge to the health and care system in England on how health and adult social care data is used. We want to ensure that all data use is safe and appropriate, so that health and care professionals and the public can trust how data is being handled and used. We are not a regulator and do not have investigatory or enforcement powers.
You can find more about what we do on our website.
Our involvement with the NHS FDP programme
Since the early stages of the NHS FDP programme, we have provided ongoing advice to the Department of Health and Social Care (DHSC) and NHS England (NHSE).
Ahead of the platform’s procurement, the NDG, Dr Nicola Byrne, wrote a blog clearly setting out the key considerations she regards as fundamental to securing public trust.
Our subsequent involvement has primarily been through participation in three independent advisory groups, where our advice is always underpinned by the Caldicott Principles, including the need to ensure data access is on a strict need-to-know basis, and that patients must be kept appropriately informed about how their data is used.
The minutes of these meetings are published by NHSE here:
It has been our experience that points of concern or challenge that we have raised with the programme have been taken seriously, and we have found a clear commitment amongst individuals within NHS England to using data responsibly, with the aim of both improving patient care and strengthening the sustainability of the NHS.
Concerns about external contractors having access to identifiable patient information
In providing advice on the programme’s information governance, we, alongside the Information Commissioner’s Office, reviewed the programme’s Data Protection Impact Assessment (DPIA). A DPIA sets out how data will be used, who can access it, and the safeguards in place to protect it. It is also used to identify and assess privacy risks and ensure appropriate controls are in place, particularly where sensitive data is involved.
The DPIA we reviewed stated that access to identifiable patient information would be limited to NHS staff with a legitimate need. However, since then, recent media reporting, and subsequent confirmation from the programme team, indicate that some external contractor staff also have access to identifiable patient information within the National Data Integration Tenant (NDIT) environment. We were not aware of this. We have therefore written to the programme to seek clarification on this inconsistency.
We need to be confident that the positions presented to us are accurate, consistent, and clearly reflected in public-facing transparency materials. We have also emphasised the need for timely engagement with the NDG whenever significant programme decisions change in ways that may affect public trust, as in this case.
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A note on our previous statement for transparency
We removed the section discussing the National Data Opt-out and its relationship to deliveringthe NHS FDP more broadly. Having reviewed the ambitionstatement, we concluded that this discussion was outside the scope of betterthe joined-upspecific dataissue being addressed, namely contractor access to improvethe careNDIT, and delivermay valuehave forcaused confusion. The statement has therefore been revised to focus solely on the NHS.matter under consideration.
Updates to this page
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We agreed to update this statement once NHS England had responded to the National Data Guardian's request for information and clarification. NHS England has now provided that information, and the statement has been updated to reflect and respond to it. We also removed a section discussing the National Data Opt-out and its relationship to the NHS Federated Data Platform more broadly. Having reviewed the statement, we concluded that this discussion was outside the scope of the specific issue being addressed, namely contractor access to the National Data Integration Tenant and may have caused confusion.
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First published.
Update history
2026-07-28 10:39
We agreed to update this statement once NHS England had responded to the National Data Guardian’s request for information and clarification. NHS England has now provided that information, and the statement has been updated to reflect and respond to it. We also removed a section discussing the National Data Opt-out and its relationship to the NHS Federated Data Platform more broadly. Having reviewed the statement, we concluded that this discussion was outside the scope of the specific issue being addressed, namely contractor access to the National Data Integration Tenant and may have caused confusion.
2026-06-03 12:10
First published.