--- title: "The Mammal Society — check charity number 278918 | CharityCompare" description: "Is The Mammal Society a legitimate UK charity? Check charity number 278918. Education/training charity based in 55 Longsmith Street. Official Charity Commission record, key facts and how to claim the profile — on CharityCompare." source: https://www.charitycompare.org.uk/charity/the-mammal-society retrieved: 2026-08-26T21:07:41.109Z license: "Charity data © Crown copyright, Open Government Licence v3.0" --- Quick answer The Mammal Society is a registered charity (number 278918) on the Charity Commission for England and Wales register, so it is a legitimate, regulator-overseen organisation. It is registered for: education/training; animals; environment/conservation/heritage. Its latest reported income was £258,616 (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 Mammal Society? Registered charity number 278918 Status Registered (active) Charity type Charitable company Location 55 Longsmith Street Latest income (year ending 2024-12-31) £258,616 Website [www.mammal.org.uk](http://www.mammal.org.uk/) ## What does The Mammal Society do? The Mammal Society works to protect British mammals, halt the decline of threatened species, and advise on all issues affecting British mammals. We study mammals, identify the problems they face and promote conservation and other policies based on sound science. ## What causes is The Mammal Society registered for? Education/trainingAnimalsEnvironment/conservation/heritage ## Why is there no Clarity Score for The Mammal Society yet? The Clarity Score is computed from full financial filing history. The Mammal 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=the-mammal-society&type=claim) [Visit charity website](http://www.mammal.org.uk/) ## Frequently asked questions Is The Mammal Society a legitimate charity? Yes. The Mammal Society is a legitimate registered charity (charity number 278918) 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 Mammal Society's charity number? The Mammal Society's charity number is 278918. Check that number on the Charity Commission register or this CharityCompare profile before you donate. How do I check charity number 278918? Search 278918 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 Mammal Society do? The Mammal Society works to protect British mammals, halt the decline of threatened species, and advise on all issues affecting British mammals. We study mammals, identify the problems they face and promote conservation and other policies based on sound science. Does The Mammal Society have reviews and complaints? CharityCompare does not host public user reviews for The Mammal 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 The Mammal Society? The Mammal Society's website is http://www.mammal.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/278918).