--- title: "The International Society for Trenchless Technology — check charity number 295274 | CharityCompare" description: "Is The International Society for Trenchless Technology a legitimate UK charity? Check charity number 295274. Environment/conservation/heritage charity based in Maida Vale Wa 6057. Official Charity Commission record, key facts and how to claim the profile — on CharityCompare." source: https://www.charitycompare.org.uk/charity/the-international-society-for-trenchless-technology retrieved: 2026-08-26T11:59:34.765Z license: "Charity data © Crown copyright, Open Government Licence v3.0" --- Quick answer The International Society for Trenchless Technology is a registered charity (number 295274) on the Charity Commission for England and Wales register, so it is a legitimate, regulator-overseen organisation. It is registered for: environment/conservation/heritage. Its latest reported income was £125,888 (year ending 2024-12-31). CharityCompare shows its official register record below; a Clarity Score is added automatically once detailed filing history is available. ## What are the key facts about The International Society for Trenchless Technology? Registered charity number 295274 Status Registered (active) Charity type Charitable company Location Maida Vale Wa 6057 Latest income (year ending 2024-12-31) £125,888 Website [www.istt.com](http://www.istt.com/) ## 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. ## What causes is The International Society for Trenchless Technology registered for? Environment/conservation/heritage ## Why is there no Clarity Score for The International Society for Trenchless Technology yet? The Clarity Score is computed from full financial filing history. The International Society for Trenchless Technology is on the official register but outside the detailed-filing group we currently score (or awaiting its first filings), so we show its official register record instead of a rating. Its score appears automatically once enough filing data exists — never by payment. [How scoring works](https://www.charitycompare.org.uk/methodology) ## Is this your charity? Claim this profile free to add your own description, correct details, or respond publicly. Optional [partner plans](https://www.charitycompare.org.uk/partners) add your logo, photos, verified badge and supporter features — claiming itself is always free and never changes any score. [Claim this profile — free](https://www.charitycompare.org.uk/claim?charity=the-international-society-for-trenchless-technology&type=claim) [Visit charity website](http://www.istt.com/) ## Frequently asked questions Is The International Society for Trenchless Technology a legitimate charity? Yes. The International Society for Trenchless Technology is a legitimate registered charity (charity number 295274) regulated by the Charity Commission for England and Wales. You can verify it on the official register. Registration proves status — it is not a Clarity Score or an impact rating. What is The International Society for Trenchless Technology's charity number? The International Society for Trenchless Technology's charity number is 295274. Check that number on the Charity Commission register or this CharityCompare profile before you donate. How do I check charity number 295274? Search 295274 on the Charity Commission for England and Wales register or on CharityCompare. Confirm the registered name matches the organisation asking for money — scammers sometimes reuse real charity numbers. 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. Does The International Society for Trenchless Technology have reviews and complaints? CharityCompare does not host public user reviews for The International Society for Trenchless Technology. This basic profile confirms registration and register facts. Rated charities also show a filing-based Clarity Score. For formal complaints, contact the Charity Commission for England and Wales or the Fundraising Regulator as appropriate. How can I donate to The International Society for Trenchless Technology? The International Society for Trenchless Technology's website is http://www.istt.com — donate there directly so the charity receives the full amount. CharityCompare never takes a commission on donations. Source: Charity Commission for England and Wales register extract dated 2026-07-31, used under the [Open Government Licence v3.0](https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/). Always verify current details on the [official register entry](https://register-of-charities.charitycommission.gov.uk/en/charity-search/-/charity-details/295274).