Sustainability First

Analysis

Sustainability First is a registered charity in England and Wales, based in London. It was registered in January 2000, 26 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 company (Companies House number 03897720). It says it provides advocacy/advice/information and sponsors or undertakes research.

In the financial year ending December 2025, Sustainability First reported income of £381k and spending of £406k, spending 106% of what it took in. Across the 5 years on record, from December 2021 to December 2025, income grew from £259k to £381k (+47%), an average of +10% a year. The sharpest change came in the year to December 2024, when income rose by 60%. Over the whole period it spent 113% of the income it received.

Among 4,574 England and Wales charities whose main cause is environment and conservation and that reported income, Sustainability First sits at the 89th percentile: it is larger than about 89% of them. Against every charity in England and Wales with reported income it ranks in the 88th percentile. Charities of a similar size with the same main cause include River Waveney Trust (£380k), Initiative Earth (£381k) and Wensleydale Railway Trust (£378k).