--- title: "International Otter Survival Fund — check charity number SC003875 | CharityCompare" description: "Is International Otter Survival Fund a legitimate UK charity? Check charity number SC003875. the advancement of education charity based in Highland. Official OSCR record, key facts and how to claim the profile — on CharityCompare." source: https://www.charitycompare.org.uk/charity/international-otter-survival-fund retrieved: 2026-08-23T10:34:04.511Z license: "Charity data © Crown copyright, Open Government Licence v3.0" --- Quick answer International Otter Survival Fund is a registered charity (number SC003875) on the Office of the Scottish Charity Regulator (OSCR) register, so it is a legitimate, regulator-overseen organisation. It is registered for: the advancement of education; the advancement of the arts, heritage, culture or science; the advancement of environmental protection or improvement. Its latest reported income was £159,294 (year ending 2025-09-30). 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 International Otter Survival Fund? Registered charity number SC003875 Status Registered (active) Charity type Company (the charity is registered with Companies House) Location Highland Latest income (year ending 2025-09-30) £159,294 Website [www.otter.org](http://www.otter.org/) ## What does International Otter Survival Fund do? IOSF was inspired by observing otters in heir natural environment in Scotland, and works to conserve all 14 species worldwide, through a combination of compassion and science. Using both land and water, otters are ideal environmental indicators, and their conservation ensures healthy environments for all species, including our own. Otter Hospital - on Skye caring for injured/orphaned otters and other wildlife from throughout UK & provide advice for people worldwide. Education - courses for people interested in otters, talks to school, natural history groups, etc. Training in survey techniqu… ## What causes is International Otter Survival Fund registered for? the advancement of educationthe advancement of the arts, heritage, culture or sciencethe advancement of environmental protection or improvement ## Why is there no Clarity Score for International Otter Survival Fund yet? The Clarity Score is computed from full financial filing history. International Otter Survival Fund 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=international-otter-survival-fund&type=claim) [Visit charity website](http://www.otter.org/) ## Frequently asked questions Is International Otter Survival Fund a legitimate charity? Yes. International Otter Survival Fund is a legitimate registered charity (charity number SC003875) regulated by the Office of the Scottish Charity Regulator (OSCR). You can verify it on the official register. Registration proves status — it is not a Clarity Score or an impact rating. What is International Otter Survival Fund's charity number? International Otter Survival Fund's charity number is SC003875. Check that number on the OSCR register or this CharityCompare profile before you donate. How do I check charity number SC003875? Search SC003875 on the Office of the Scottish Charity Regulator (OSCR) register or on CharityCompare. Confirm the registered name matches the organisation asking for money — scammers sometimes reuse real charity numbers. What does International Otter Survival Fund do? IOSF was inspired by observing otters in heir natural environment in Scotland, and works to conserve all 14 species worldwide, through a combination of compassion and science. Using both land and water, otters are ideal environmental indicators, and their conservation ensures healthy environments for all species, including our own. Otter Hospital - on Skye caring for injured/orphaned otters and other wildlife from throughout UK & provide advice for people worldwide. Education - courses for people interested in otters, talks to school, natural history groups, etc. Training in survey techniqu… Does International Otter Survival Fund have reviews and complaints? CharityCompare does not host public user reviews for International Otter Survival Fund. This basic profile confirms registration and register facts. Rated charities also show a filing-based Clarity Score. For formal complaints, contact the Office of the Scottish Charity Regulator (OSCR) or the Fundraising Regulator as appropriate. How can I donate to International Otter Survival Fund? International Otter Survival Fund's website is http://www.otter.org — donate there directly so the charity receives the full amount. CharityCompare never takes a commission on donations. Source: Office of the Scottish Charity Regulator (OSCR) register extract dated 2026-08-07, 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://www.oscr.org.uk/about-charities/search-the-register/charity-details?number=SC003875).