--- title: "Scientific Instrument Society — check charity number 326733 | CharityCompare" description: "Is Scientific Instrument Society a legitimate UK charity? Check charity number 326733. Education/training charity based in School Lane. Official Charity Commission record, key facts and how to claim the profile — on CharityCompare." source: https://www.charitycompare.org.uk/charity/scientific-instrument-society retrieved: 2026-08-23T07:59:03.323Z license: "Charity data © Crown copyright, Open Government Licence v3.0" --- Quick answer Scientific Instrument Society is a registered charity (number 326733) on the Charity Commission for England and Wales register, so it is a legitimate, regulator-overseen organisation. It is registered for: education/training; arts/culture/heritage/science. Its latest reported income was £37,327 (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 Scientific Instrument Society? Registered charity number 326733 Status Registered (active) Charity type Other Location School Lane Latest income (year ending 2024-12-31) £37,327 Website [www.sis.org.uk](http://www.sis.org.uk/) ## What does Scientific Instrument Society do? The promotion and advancement of the knowledge of the history of scientific artifacts and their preservation. ## What causes is Scientific Instrument Society registered for? Education/trainingArts/culture/heritage/science ## Why is there no Clarity Score for Scientific Instrument Society yet? The Clarity Score is computed from full financial filing history. Scientific Instrument Society 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=scientific-instrument-society&type=claim) [Visit charity website](http://www.sis.org.uk/) ## Frequently asked questions Is Scientific Instrument Society a legitimate charity? Yes. Scientific Instrument Society is a legitimate registered charity (charity number 326733) 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 Scientific Instrument Society's charity number? Scientific Instrument Society's charity number is 326733. Check that number on the Charity Commission register or this CharityCompare profile before you donate. How do I check charity number 326733? Search 326733 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 Scientific Instrument Society do? The promotion and advancement of the knowledge of the history of scientific artifacts and their preservation. Does Scientific Instrument Society have reviews and complaints? CharityCompare does not host public user reviews for Scientific Instrument Society. 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 Scientific Instrument Society? Scientific Instrument Society's website is http://www.sis.org.uk — 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/326733).