Sister System

Analysis

Sister System is a registered charity in England and Wales, based in London. It was registered in March 2018, 8 years ago. Its declared purposes cover education/training, disability and economic/community development/employment, which this site groups under disability. Legally it is a charitable incorporated organisation (CIO). It says it provides services, provides advocacy/advice/information and other charitable activities.

In the financial year ending October 2025, Sister System reported income of £1.1m and spending of £1.2m, spending 108% of what it took in. Across the 5 years on record, from October 2021 to October 2025, income grew from £467k to £1.1m (+145%), an average of +25% a year. The sharpest change came in the year to October 2023, when income rose by 227%. Over the whole period it spent 75% of the income it received.

Among 12,871 England and Wales charities whose main cause is disability and that reported income, Sister System sits at the 93rd percentile: it is larger than about 93% of them. Against every charity in England and Wales with reported income it ranks in the 94th percentile. Charities of a similar size with the same main cause include The Qamar Trust (£1.1m), Age UK Devon (£1.1m) and Power the Fight (£1.1m).

In its latest detailed accounts, income came from donations and legacies 100%. Charitable activities took 99% of spending and raising funds 0.5%. Reserves of £1.2m would cover about 11 months of spending at that rate. It employed 25 people.