British Arachnological Society

Analysis

British Arachnological Society is a registered charity in England and Wales, based in Wiltshire. It was registered in October 2019, 7 years ago. Its declared purposes cover education/training and environment/conservation/heritage, which this site groups under environment and conservation. Legally it is a charitable incorporated organisation (CIO). It says it makes grants to individuals and provides advocacy/advice/information.

In the financial year ending December 2025, British Arachnological Society reported income of £91k and spending of £69k, leaving 24% of income unspent that year. Across the 5 years on record, from December 2021 to December 2025, income grew from £33k to £91k (+173%), an average of +29% a year. The sharpest change came in the year to December 2022, when income rose by 924%. Over the whole period it spent 35% of the income it received.

Among 4,574 England and Wales charities whose main cause is environment and conservation and that reported income, British Arachnological Society sits at the 77th percentile: it is larger than about 77% of them. Against every charity in England and Wales with reported income it ranks in the 70th percentile. Charities of a similar size with the same main cause include Sustainable Charlbury (£91k), Friends of Hardie Park Ltd (£91k) and The William Dean Countryside and Educational Trust (£90k).