- Association for the Study of Obesity on the island of Ireland The ASO for Ireland.
- British Obesity and Metabolic Surgery Society
- Centre for Diet and Activity Research A UKCRC Public Health Research Centre of Excellence.
- Department of Health
- Dietitians in Obesity Management
- European Association for the Study of Obesity
- European Childhood Obesity Group
- International Association for the Study of Obesity
- NHS Choices - Weight Management
- NICE Guidance
- National Obesity Forum
- Obesity Learning Centre
- Obesity Society The ASO for North America
- Public Health England Obesity Knowledge and Intelligence Team (formerly National Obesity Observatory)
- Public Health Responsibility Deal
- UK Health Profiles
- UK Society for Behavioural Medicine
- Weight Concern
(formerly the National Obesity Observatory) provides a single point of contact for wide-ranging authoritative information on data, evaluation, evidence and research related to weight status and its determinants.