The Dr Mortimer and Theresa Sackler Foundation

Analysis

The Dr Mortimer and Theresa Sackler Foundation is a registered charity in England and Wales, based in London. It was registered in April 2009, 17 years ago. Its declared purposes cover general charitable purposes, education/training, the advancement of health or saving of lives and overseas aid/famine relief, which this site groups under health and saving lives. Legally it is a charitable company (Companies House number 06802998). It says it makes grants to organisations.

In the financial year ending December 2025, The Dr Mortimer and Theresa Sackler Foundation reported income of £575k and spending of £447k, leaving 22% of income unspent that year. Across the 5 years on record, from December 2021 to December 2025, income grew from £116k to £575k (+396%), an average of +49% a year. The sharpest change came in the year to December 2022, when income rose by 1405%. Over the whole period it spent 97% of the income it received.

Among 24,651 England and Wales charities whose main cause is health and saving lives and that reported income, The Dr Mortimer and Theresa Sackler Foundation sits at the 85th percentile: it is larger than about 85% of them. Against every charity in England and Wales with reported income it ranks in the 91st percentile. Charities of a similar size with the same main cause include CYCA Connecting Youth Children and Adults (£574k), Domestic Abuse Volunteer Support Services (£575k) and Homeopathy UK (£574k).

In its latest detailed accounts, income came from investments 100%. Charitable activities took 99% of spending and raising funds 0.0%. Grants to other organisations totalled £435k. Reserves of £29.2m would cover about 774 months of spending at that rate.