The affiliated societies to the RBSS are:
- Belgian Association for Ambulatory Surgery (BAAS)
- Belgian Association for Cardiothoracic Surgery (BACTS)
- Belgian Association for Pediatric Surgery (BELAPS)
- Belgian Group for Endoscopic Surgery (BGES)
- Belgian Society for Surgical Oncology (BSSO)
- Belgian Society for Vascular Surgery (BSVS)
- Belgian Trauma Society (BTS)
- Belgian Association for Surgical Trainees (BAST)