Written question asked by Mike Wood (Conservative) on Wednesday, 18 March 2026, in the House of Commons. It was due for an answer on Monday, 23 March 2026. It was answered by Nick Thomas-Symonds (Labour) on Thursday, 26 March 2026 on behalf of the Cabinet Office.

Prime Minister: Electronic Messaging

Question: To ask the Minister for the Cabinet Office, whether the No10 private office uses disappearing messages on its corporate (a) WhatsApp and (b) Signal messaging.

Answer: All official business should be conducted using official systems wherever possible. Where official information is created or received on non corporate communication devices, it must be handled in accordance with records management requirements, as set out on gov.uk: https://www.gov.uk/government/publications/non-corporate-communication-channels-for-government-business/using-non-corporate-communication-channels-eg-whatsapp-private-email-sms-for-government-business-html

Secondary information