| Rank | Clinic Name | Patient Rating | Country | Lead Doctor | experience | Techniques | Best For | Why It’s Ranked | Accreditations |
|---|---|---|---|---|---|---|---|---|---|
| #1 | 4.7 / 5 (438 reviews) | Barcelona, Spain | 46+ years23,000+ treatments | Laparoscopic gastric bypass, Roux-en-Y gastric bypass, robot-assisted surgery | Complex bariatric and metabolic surgery cases | Doctors have performed over 12,000 laparoscopic surgeries, including advanced techniques like Roux-en-Y and robotic-assisted procedures. Clinic is JCI accredited with comprehensive multidisciplinary support. | Joint Commission International , European Foundation for Quality Management | ||
| #2 | 3.8 / 5 (6 reviews) | Madrid, Spain | — | — | Gastric bypass | — | — | World's Best Hospitals 2021 by Newsweek | |
| #3 | 4.6 / 5 (16 reviews) | Madrid, Spain | — | 26,000+ treatments | Gastric bypass | — | — | European Foundation for Quality Management, TÜV AG Сompany Research & Investing Certificate | |
| #4 | 4.0 / 5 (0 reviews) | Barcelona, Spain | — | — | Gastric bypass | — | — | — | |
| #5 | 5.0 / 5 (6 reviews) | Pamplona, Spain | — | Gastric bypass | — | — | Joint Commission International , European Society for Medical Oncology | ||
| #6 | 4.6 / 5 (5 reviews) | Barcelona, Spain | — | — | Gastric bypass | — | — | European Foundation for Quality Management, Certification according to DIN EN ISO 9001 by TÜV NORD CERT | |
| #7 | 2.6 / 5 (0 reviews) | Ibiza, Spain | — | — | Bariatric Surgery Consultation | — | — | — | |
| #8 | 3.3 / 5 (0 reviews) | Alicante, Spain | — | — | Gastric bypass | — | — | International Organization for Standardization | |
| #9 | 3.2 / 5 (0 reviews) | Alicante, Spain | — | — | Gastric bypass | — | — | International Organization for Standardization | |
| #10 | 4.4 / 5 (5 reviews) | Marbella, Spain | — | — | Gastric bypass | — | — | Joint Commission International |