Garanti BBVA conducts monthly usability surveys to better observe its users’ needs and devise solutions for problems associated with existing functions  Banking | Featured | Retail banking Author: Mahmut Akten, Executive Vice President of Retail Banking, Garanti BBVA July 23, 2020 Founded in 1946, Garanti BBVA is Turkey’s second-largest private bank, with consolidated assets of approximately TRY 456bn ($67.6bn) as of March 31, 2020.