British Obesity and Metabolic Specialist Society
Analysis
British Obesity and Metabolic Specialist Society is a registered charity in England and Wales, based in Staffs. It was registered in November 2020, 6 years ago. Its declared purposes cover education/training and the advancement of health or saving of lives, which this site groups under health and saving lives. Legally it is a charitable incorporated organisation (CIO). It says it makes grants to individuals, provides advocacy/advice/information and sponsors or undertakes research.
In the financial year ending October 2025, British Obesity and Metabolic Specialist Society reported income of £534k and spending of £315k, leaving 41% of income unspent that year. Across the 5 years on record, from October 2021 to October 2025, income grew from £327k to £534k (+63%), an average of +13% a year. The sharpest change came in the year to October 2023, when income rose by 48%. Over the whole period it spent 51% of the income it received.
Among 24,651 England and Wales charities whose main cause is health and saving lives and that reported income, British Obesity and Metabolic Specialist Society sits at the 84th percentile: it is larger than about 84% of them. Against every charity in England and Wales with reported income it ranks in the 90th percentile. Charities of a similar size with the same main cause include The Barbara Ward Children's Foundation (£534k), South Denbighshire Community Partnership (£534k) and Keren Chasodim Ltd (£534k).
In its latest detailed accounts, income came from charitable activities 90% and donations and legacies 9.4%. Charitable activities took 96% of spending and raising funds 0.0%. Grants to other organisations totalled £3,000. Reserves of £1.1m would cover about 41 months of spending at that rate.
Income and spending
Where the income comes from
- Donations 9.4%
- Charitable activities 90%
- Investments 0.2%
- Other 0.7%
In the charity's own words
BOMSS is a society of surgeons and other health professionals whose educational and research activities provide a valuable trusted resource for patients and promote the highest standards of expert care for those living with severe and complex obesity. As the UK's internationally recognised bariatric society we inform national policy through provision of expert advice to a variety of bodies.
Similar-sized charities, same cause
| Charity | Location | Income |
|---|---|---|
| The Barbara Ward Children's Foundation | 100 Old Hall Street | £534k |
| South Denbighshire Community Partnership | Denbighshire | £534k |
| Keren Chasodim Ltd | London | £534k |
| The Green Hall Foundation | Jersey | £535k |