--- title: "The Thrombosis Research Trust — check charity number 275275 | CharityCompare" description: "Is The Thrombosis Research Trust a legitimate UK charity? Check charity number 275275. The Advancement Of Health Or Saving Of Lives charity based in 66 St. James's Street. Official Charity Commission record, key facts and how to claim the profile — on CharityCompare." source: https://www.charitycompare.org.uk/charity/the-thrombosis-research-trust retrieved: 2026-08-21T23:43:59.856Z license: "Charity data © Crown copyright, Open Government Licence v3.0" --- Quick answer The Thrombosis Research Trust is a registered charity (number 275275) on the Charity Commission for England and Wales register, so it is a legitimate, regulator-overseen organisation. It is registered for: the advancement of health or saving of lives. Its latest reported income was £180,530 (year ending 2025-07-31). 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 Thrombosis Research Trust? Registered charity number 275275 Status Registered (active) Charity type Other Location 66 St. James's Street Latest income (year ending 2025-07-31) £180,530 ## What does The Thrombosis Research Trust do? The charity supports the work of The Thrombosis Research Institute which has the object of conducting research into the prevention and treatment of thrombosis. ## What causes is The Thrombosis Research Trust registered for? The Advancement Of Health Or Saving Of Lives ## Why is there no Clarity Score for The Thrombosis Research Trust yet? The Clarity Score is computed from full financial filing history. The Thrombosis Research Trust 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-thrombosis-research-trust&type=claim) ## Frequently asked questions Is The Thrombosis Research Trust a legitimate charity? Yes. The Thrombosis Research Trust is a legitimate registered charity (charity number 275275) 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 Thrombosis Research Trust's charity number? The Thrombosis Research Trust's charity number is 275275. Check that number on the Charity Commission register or this CharityCompare profile before you donate. How do I check charity number 275275? Search 275275 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 Thrombosis Research Trust do? The charity supports the work of The Thrombosis Research Institute which has the object of conducting research into the prevention and treatment of thrombosis. Does The Thrombosis Research Trust have reviews and complaints? CharityCompare does not host public user reviews for The Thrombosis Research Trust. 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 Thrombosis Research Trust? The Thrombosis Research Trust does not list a website in its register entry. Its official Charity Commission entry lists its contact details — CharityCompare never processes 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/275275).