Consultation on the notice of intention to release commitments previously accepted by the CMA in respect of Google’s Privacy Sandbox Proposals

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The Competition and Markets Authority's (CMA) purpose is to help people, businesses and the UK economy by promoting competition and tackling unfair behaviour.


About this consultation

The CMA is consulting on a proposal to release the Commitments previously offered by Google in relation to its Privacy Sandbox proposals.

We originally accepted the commitments in the context of our investigation concerning Google’s suspected abuse of a dominant position in the market for the supply of web browsers.

The CMA’s concerns were about Google’s proposals to replace third-party cookies and other functionalities in Chrome with its proposed ‘Privacy Sandbox’ tools.

Since the CMA Decision to accept Commitments, Google has announced that it is not going to block third party cookies in general browsing in Chrome and will not prompt users to decide if they want to do this.

This consultation closes at 23:55 on 4 July 2025



We want to hear from you

The CMA believes the commitments are no longer necessary and is now consulting before it takes a decision on whether to release them.

The CMA invites views from stakeholders on the proposal to release the commitments.


Responding to our consultation

Send your responses by email to: privacysandbox@cma.gov.uk

The CMA does not intend to publish any responses. However, the information contained in the responses may be used or summarised on an anonymous basis in public documents. If your response contains any information that you would regard as sensitive if it were to be used or summarised on an anonymous basis, please identify the information and explain why you regard it as sensitive.



Your personal data

Any personal data you provide to us through CMA Connect (such as your name and contact details) will be handled in accordance with our obligations under the UK General Data Protection Regulation and the Data Protection Act 2018.

Our personal information charter set out the standards you can expect from us when we collect, use or share personal data and provides details of your rights in relation to that personal data and how to contact us.

The Competition and Markets Authority's (CMA) purpose is to help people, businesses and the UK economy by promoting competition and tackling unfair behaviour.


About this consultation

The CMA is consulting on a proposal to release the Commitments previously offered by Google in relation to its Privacy Sandbox proposals.

We originally accepted the commitments in the context of our investigation concerning Google’s suspected abuse of a dominant position in the market for the supply of web browsers.

The CMA’s concerns were about Google’s proposals to replace third-party cookies and other functionalities in Chrome with its proposed ‘Privacy Sandbox’ tools.

Since the CMA Decision to accept Commitments, Google has announced that it is not going to block third party cookies in general browsing in Chrome and will not prompt users to decide if they want to do this.

This consultation closes at 23:55 on 4 July 2025



We want to hear from you

The CMA believes the commitments are no longer necessary and is now consulting before it takes a decision on whether to release them.

The CMA invites views from stakeholders on the proposal to release the commitments.


Responding to our consultation

Send your responses by email to: privacysandbox@cma.gov.uk

The CMA does not intend to publish any responses. However, the information contained in the responses may be used or summarised on an anonymous basis in public documents. If your response contains any information that you would regard as sensitive if it were to be used or summarised on an anonymous basis, please identify the information and explain why you regard it as sensitive.



Your personal data

Any personal data you provide to us through CMA Connect (such as your name and contact details) will be handled in accordance with our obligations under the UK General Data Protection Regulation and the Data Protection Act 2018.

Our personal information charter set out the standards you can expect from us when we collect, use or share personal data and provides details of your rights in relation to that personal data and how to contact us.

Page published: 13 Jun 2025, 01:01 PM