Climate Bonds Initiative

Analysis

Climate Bonds Initiative is a registered charity in England and Wales, based in London. It was registered in October 2013, 13 years ago. Its declared purposes cover environment/conservation/heritage, which this site groups under environment and conservation. Legally it is a charitable company (Companies House number 07455730). It says it provides services and sponsors or undertakes research.

In the financial year ending December 2025, Climate Bonds Initiative reported income of £10.9m and spending of £10.9m, spending 100% of its income. Across the 5 years on record, from December 2021 to December 2025, income grew from £6.5m to £10.9m (+66%), an average of +14% a year. The sharpest change came in the year to December 2023, when income rose by 29%. Over the whole period it spent 99% of the income it received.

Among 4,574 England and Wales charities whose main cause is environment and conservation and that reported income, Climate Bonds Initiative sits at the 99th percentile: it is one of the largest 1% in its cause. Against every charity in England and Wales with reported income it ranks in the 99th percentile. Charities of a similar size with the same main cause include The Institution of Chemical Engineers (£10.6m), Berkshire, Buckinghamshire and Oxfordshire Wildlife Trust (£10.9m) and The Rivers Trust (£10.5m).

In its latest detailed accounts, income came from charitable activities 100%. Charitable activities took 99% of spending and raising funds 0.0%. Reserves of £886k would cover about 1 months of spending at that rate. It employed 124 people.

Data notes from the register: Spending has exceeded income in each of the last three reported years, so the charity has been drawing on reserves or other funds.