Thames Foundation

Analysis

Thames Foundation is a registered charity in England and Wales, based in London. It was registered in August 2001, 25 years ago. Its declared purposes cover education/training, the advancement of health or saving of lives and the prevention or relief of poverty, which this site groups under health and saving lives. It says it makes grants to individuals and makes grants to organisations.

In the financial year ending December 2025, Thames Foundation reported income of £524k and spending of £214k, leaving 59% of income unspent that year. Across the 5 years on record, from December 2021 to December 2025, income grew from £414k to £524k (+27%), an average of +6.1% a year. The sharpest change came in the year to December 2025, when income rose by 42%. Over the whole period it spent 48% of the income it received.

Among 24,651 England and Wales charities whose main cause is health and saving lives and that reported income, Thames Foundation sits at the 84th percentile: it is larger than about 84% of them. Against every charity in England and Wales with reported income it ranks in the 90th percentile. Charities of a similar size with the same main cause include Every Life International (£524k), Genesis Research Trust (£524k) and The Liverpool Women's NHS Foundation Charitable Trust (£524k).

In its latest detailed accounts, income came from donations and legacies 92% and investments 7.9%. Gifts in wills alone brought in £197k. Charitable activities took 99% of spending and raising funds 0.0%. Grants to other organisations totalled £12k. Reserves of £2.3m would cover about 130 months of spending at that rate.