| #1 | | | Barcelona, Spain | | 46+ years23,000+ treatments | Laparoscopic sleeve gastrectomy | Minimally invasive bariatric surgery | JCI accredited hospital with experienced specialists. Dr. Carlos Ballesta López has performed over 12,000 laparoscopic surgeries. Clinic offers comprehensive post-operative care with 3-5 days hospital stay. | Joint Commission International , European Foundation for Quality Management |
| #2 | | | Barcelona, Spain | | 29+ years | Gastric sleeve surgery, LESS laparoscopic technique, Robotic surgery (Da Vinci) | Minimally invasive weight loss surgery | Offers advanced techniques like LESS and robotic surgery with 23 operating rooms. 91% of clients recommend this JCI-accredited hospital. Individualized plans and 3-5 day post-op stays. | Joint Commission International |
| #3 | | | Madrid, Spain | | 36+ years26,000+ treatments | Gastric sleeve surgery (Sleeve gastrectomy) | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate |
| #4 | | | Barcelona, Spain | | — | Gastric sleeve surgery (Sleeve gastrectomy) | — | — | — |
| #5 | | | Pamplona, Spain | | 64+ years | Gastric sleeve surgery (Sleeve gastrectomy) | — | — | Joint Commission International , European Society for Medical Oncology |
| #6 | | | Barcelona, Spain | | 36+ years | Gastric sleeve surgery (Sleeve gastrectomy) | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT |
| #7 | | | Alicante, Spain | | — | Gastric sleeve surgery (Sleeve gastrectomy) | — | — | International Organization for Standardization |