The Institute of Physics

Analysis

The Institute of Physics is a registered charity in England and Wales, based in London. It was registered in March 1986, 40 years ago. Its declared purposes cover general charitable purposes, education/training and arts/culture/heritage/science, which this site groups under arts, culture, heritage and science. It says it makes grants to individuals, provides services and provides advocacy/advice/information.

In the financial year ending December 2025, The Institute of Physics reported income of £85.3m and spending of £82.0m, spending 96% of its income. Across the 5 years on record, from December 2021 to December 2025, income grew from £78.8m to £85.3m (+8.2%), an average of +2.0% a year. Over the whole period it spent 101% of the income it received.

Among 17,634 England and Wales charities whose main cause is arts, culture, heritage and science and that reported income, The Institute of Physics sits at the 100th percentile: it is one of the largest 1% in its cause. Against every charity in England and Wales with reported income it ranks in the 100th percentile. Charities of a similar size with the same main cause include The Royal Shakespeare Company, Stratford-Upon-Avon (£82.0m), The Royal Collection Trust (£85.3m) and UK Centre for Ecology & Hydrology (£76.7m).

In its latest detailed accounts, income came from charitable activities 96%, investments 2.2% and trading 1.7%. Charitable activities took 99% of spending and raising funds 0.1%. Reserves of £81.4m would cover about 12 months of spending at that rate. It employed 674 people.