Swissotel Büyük Efes Awards & Certificates:

-2018 "Best Managed Business Hotel in Измир" by Quality Management Awards by Professional Hotel Managers Association
-2018 "Best Luxury Hotel Spa" by World Luxury Spa Awards
-2017 "Best Managed Business Hotel in Измир" by Quality Management Awards by Professional Hotel Managers Association
-2017 "Executive" level Safehotels Certificate by Safehotels Alliance AB
-World Luxury Hotel Awards 2015: Luxury Business Hotel in Turkey
-KalDer-Turkish Society for Quality, Измир Branch-16th Local Quality Awards 2015:Award of Merit
-Republic of Turkey, Ministry of Culture and Tourism 2015:"Green Star" Certificate
-Trip Advisor Certificate of Excellence for 5 years and 2015 Trip Advisor Hall of Fame List
-Trip Advisor 2013&2014: Travellers' Choice Winner "Top 25 Hotels in Turkey&Top 25 Luxury Hotels in Turkey" and 2015: Travellers' Choice Winner "Top 25 Luxury Hotels in Turkey
-IIP (Investors in People) 2014 : Silver Certificate
-Swissotel Hotels&Resorts 2014: "Hotel of the Year"
-Ace of Mice 2013: "Aegean Region Best Meeting Hotel"
-Skalite Awards 2013: "Best Chain Hotel in Turkey"
-2013 "Best Managed Business Hotel in Измир" by Quality Management Awards by Professional Hotel Managers Association
-Bureau Veritas 2013: "Gold Green Hotel"