The International Society for Trenchless Technology

Analysis

The International Society for Trenchless Technology is a registered charity in England and Wales, based in Australia. It was registered in October 1986, 40 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 02053569). It says it acts as an umbrella or resource body.

In the financial year ending December 2025, The International Society for Trenchless Technology reported income of £165k and spending of £139k, spending 84% of its income. Across the 5 years on record, from December 2021 to December 2025, income grew from £132k to £165k (+25%), an average of +5.7% a year. The sharpest change came in the year to December 2025, when income rose by 31%. Over the whole period it spent 115% of the income it received.

Among 4,574 England and Wales charities whose main cause is environment and conservation and that reported income, The International Society for Trenchless Technology sits at the 83rd percentile: it is larger than about 83% of them. Against every charity in England and Wales with reported income it ranks in the 78th percentile. Charities of a similar size with the same main cause include Landscape Research Group (£165k), The Surrey Federation of Women's Institutes (£165k) and The Coachmakers and Coach Harness Makers Charitable Trust 1977 (£164k).