Thames Rivers Trust
Analysis
Thames Rivers Trust is a registered charity in England and Wales, based in Hertfordshire. It was registered in September 1986, 40 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 trust. It says it makes grants to organisations, provides advocacy/advice/information and sponsors or undertakes research.
In the financial year ending March 2026, Thames Rivers Trust reported income of £135k and spending of £161k, spending 119% of what it took in. Across the 5 years on record, from March 2022 to March 2026, income grew from £126k to £135k (+6.9%), an average of +1.7% a year. The sharpest change came in the year to March 2025, when income rose by 173%. Over the whole period it spent 125% of the income it received.
Among 4,574 England and Wales charities whose main cause is environment and conservation and that reported income, Thames Rivers Trust sits at the 81st percentile: it is larger than about 81% of them. Against every charity in England and Wales with reported income it ranks in the 75th percentile. Charities of a similar size with the same main cause include Ipswich Transport Museum (£134k), Farmlink Education Limited (£135k) and Share (Portsmouth) (£133k).
Income and spending
Where the income comes from
- Other 100%
In the charity's own words
To conserve, protect and rehabilitate the habitat and waters that constitute the River Thames catchment, for the benefit of all indigenous species (including Atlantic salmon and migratory trout).To advance the education of the public in the understanding of river environments on watercourses throughout the River Thames catchment.
Similar-sized charities, same cause
| Charity | Location | Income |
|---|---|---|
| Ipswich Transport Museum | Ipswich | £134k |
| Farmlink Education Limited | Bristol | £135k |
| Share (Portsmouth) | Southsea | £133k |
| The Tottle Woodland and Wildlife Charity | Hornsea | £136k |