The British Institute of Organ Studies
Analysis
The British Institute of Organ Studies is a registered charity in England and Wales, based in Reigate. It was registered in February 1982, 44 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. It says it provides advocacy/advice/information, sponsors or undertakes research and acts as an umbrella or resource body.
In the financial year ending December 2025, The British Institute of Organ Studies reported income of £210k and spending of £96k, leaving 54% of income unspent that year. Across the 5 years on record, from December 2021 to December 2025, income grew from £39k to £210k (+433%), an average of +52% a year. The sharpest change came in the year to December 2025, when income rose by 440%. Over the whole period it spent 63% 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 British Institute of Organ Studies sits at the 86th percentile: it is larger than about 86% of them. Against every charity in England and Wales with reported income it ranks in the 81st percentile. Charities of a similar size with the same main cause include London Mandarin School (£209k), Winchester Dramatic Society (£210k) and Hand of Ltd (£209k).
Income and spending
Where the income comes from
- Other 100%
In the charity's own words
The British Institute of Organ Studies (BIOS) exists to encourage and promote the study of the pipe organ, its history and design, and to increase appreciation and understanding of its music by both organists and the general public. The society serves effectively as the amenity society for the British organ and lobbies Governmentand other national bodies on behalf of the instrument.
Similar-sized charities, same cause
| Charity | Location | Income |
|---|---|---|
| London Mandarin School | London | £209k |
| Winchester Dramatic Society | Winchester | £210k |
| Hand of Ltd | Newcastle upon Tyne | £209k |
| Five Towns Theatre | Stoke-On-Trent | £210k |