The International Society For Trenchless Technology
Also known as: I S T T
The promotion and advancement of trenchless technology for the public benefit worldwide. This includes education, training, research, the compilation and archiving of technical information, publication and dissemination of trenchless news and information, organising exhibitions and conferences and co-operating with similar organisations dealing with underground utilities and underground space.
Activities & Mission
The promotion and advancement of trenchless technology for the public benefit worldwide. This includes education, training, research, the compilation and archiving of technical information, publication and dissemination of trenchless news and information, organising exhibitions and conferences and co-operating with similar organisations dealing with underground utilities and underground space.
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Where this charity is registered to operate, as self-declared to the Charity Commission. These are regulatory classifications, not a list of active programmes, and don't necessarily indicate fundraising activity in each location.
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Financial Information
Financial Efficiency
Financial Trend
Annual Returns
As filed with the Charity Commission for England and Wales. Most recent filing covers the financial year ending 2025.
| Financial Year | Income | Expenditure | Charitable Spending | Net Assets | Reserves | Staff |
|---|---|---|---|---|---|---|
| 2025 | £164,613 | £139,054 | 0 / 4 | |||
| 2024 | £125,888 | £150,920 | 0 / 4 | |||
| 2023 | £135,281 | £171,255 | 0 / 4 | |||
| 2022 | £108,964 | £167,892 | 0 / 4 | |||
| 2021 | £131,908 | £138,760 | 0 / 2 |
Staff column shows: Employees / Volunteers
Frequently asked questions about The International Society For Trenchless Technology
What does The International Society For Trenchless Technology do?
The promotion and advancement of trenchless technology for the public benefit worldwide. This includes education, training, research, the compilation and archiving of technical information, publication and dissemination of trenchless news and information, organising exhibitions and conferences and co-operating with similar organisations dealing with underground utilities and underground space.
How much income did The International Society For Trenchless Technology report in 2025?
The International Society For Trenchless Technology reported total income of £165k and reported expenditure of £139k for the financial year ending 2025, based on the most recent annual return filed with the Charity Commission.
When was The International Society For Trenchless Technology registered as a charity?
The International Society For Trenchless Technology was registered with the Charity Commission for England and Wales on 1 October 1986 as charity number 295274. It has been registered for 40 years.
Who runs The International Society For Trenchless Technology?
The International Society For Trenchless Technology is governed by a board of 16 trustees. Trustees are legally responsible for the charity's governance and are listed in full on its profile.
Where does The International Society For Trenchless Technology operate?
The International Society For Trenchless Technology operates across 29 areas, including Australia, Austria, Brazil and 26 others. The full list is shown on its profile.
Is The International Society For Trenchless Technology a registered charity?
Yes — The International Society For Trenchless Technology is a registered charity in England and Wales, charity number 295274.
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Registry Information
Trustees
Also Known As
- I S T T
Data & trust
- Register data refreshed
- 9 November 2026
- Methodology
- How metrics are calculated