The Nuclear Institute

Analysis

The Nuclear Institute is a registered charity in England and Wales, based in London. It was registered in August 2008, 18 years ago. Its declared purposes cover education/training, which this site groups under education and training. Legally it is a charitable company (Companies House number 06574762). It says it makes grants to individuals, makes grants to organisations and provides human resources.

In the financial year ending December 2025, The Nuclear Institute reported income of £1.4m and spending of £1.4m, spending 100% of its income. Across the 5 years on record, from December 2021 to December 2025, income grew from £848k to £1.4m (+70%), an average of +14% a year. The sharpest change came in the year to December 2024, when income rose by 39%. Over the whole period it spent 89% of the income it received.

Among 21,402 England and Wales charities whose main cause is education and training and that reported income, The Nuclear Institute sits at the 94th percentile: it is larger than about 94% of them. Against every charity in England and Wales with reported income it ranks in the 95th percentile. Charities of a similar size with the same main cause include South Bank Students' Union Ltd (£1.4m), Charlotte House School Limited (£1.4m) and The Pharos Foundation (£1.4m).

In its latest detailed accounts, income came from charitable activities 82%, trading 17% and investments 1.2%. Charitable activities took 75% of spending and raising funds 24%. Reserves of £968k would cover about 8 months of spending at that rate. It employed 7 people.