The Twentieth Century Society

Analysis

The Twentieth Century Society is a registered charity in England and Wales, based in London. It was registered in June 2005, 21 years ago. Its declared purposes cover education/training, arts/culture/heritage/science and environment/conservation/heritage, which this site groups under arts, culture, heritage and science. Legally it is a charitable company (Companies House number 05330664). It says it provides advocacy/advice/information and other charitable activities.

In the financial year ending December 2025, The Twentieth Century Society reported income of £465k and spending of £414k, spending 89% of its income. Across the 5 years on record, from December 2021 to December 2025, income grew from £297k to £465k (+56%), an average of +12% a year. The sharpest change came in the year to December 2023, when income rose by 21%. Over the whole period it spent 95% 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 Twentieth Century Society sits at the 91st percentile: it is larger than about 91% of them. Against every charity in England and Wales with reported income it ranks in the 89th percentile. Charities of a similar size with the same main cause include Colefax Charitable Trust (£464k), Multistory (£465k) and Upton Festival of Blues Limited (£464k).