Most Spanish banks received a weak customer trust score in 2023. Customer trust matters more than ever because trust drives revenue. Forrester’s Financial Services Customer Trust Index (FS Customer Trust Index) assesses the level of trust consumers have with their financial services providers. This report answers the question, “Which Spanish banks are earning the most customer trust and how are they earning that trust?” across five Spanish banking brands that were analyzed as part of the FS Customer Trust Index in 2023. Customer experience, digital, and marketing executives can use this report to inform their ongoing improvement efforts to earn customers’ trust.