- Arthritis and Musculoskeletal Alliance
- Arthritis Care
- Arthritis Research Campaign
- Behçet's Syndrome Society
- British Institute of Musculoskeletal Medicine
- British Orthopaedic Association
- British Orthopaedic Foot & Ankle Society
- British Sjögren's Syndrome Association
- British Society of Rheumatologists
- Fibromyalgia Association UK
- Fibromyalgia Support Northern Ireland
- Hughes' Syndrome Foundation
- Hypermobility Syndrome Association
- Ilizarov & External Fixator Wearer's Support Group
- Lupus Patients Understanding & Support
- National Ankylosing Spondylitis Society
- National Association for the Relief of Paget's Disease
- National Osteoporosis Society
- National Rheumatoid Arthritis Society
- Raynaud's and Scleroderma Association
- Scleroderma Society
- Scoliosis Association UK
- UK Gout Society