Lord Sainsbury

David Sainsbury — Labour's Biggest Individual Donor

Full name: David Sainsbury, Baron Sainsbury of Turville Approx total donated (2024-2026): £8-10 million Source of wealth: Former chairman of Sainsbury's supermarket chain; family fortune estimated at £1.5 billion Why they donate: Long-time Labour supporter, science and innovation advocate, served as Science Minister under Tony Blair. Supports Labour as the most viable party for economic competence and public service investment. Controversies: Previous donations to Labour caused scrutiny over potential policy influence; his role as a Labour peer raises questions about donations and legislative influence. In 2024, his donations continued to be questioned in the context of Labour's ties to wealthy individuals.

Notes

• Consistently Labour's largest single individual donor for decades
• Owns the Sainsbury family's political giving — split with other family members who donate to Tories
• Has funded Labour's general election campaigns heavily, including £5m+ to the 2024 campaign
• Also funds Labour-aligned think tanks and policy groups