European Banks Risk Losing 75% of Customers Over AI and Personalization Gaps

Temenos and Celent have revealed a critical "expectation gap" in global banking, where 71% of European customers are dissatisfied with their primary financial institutions. For fintech professionals, this highlights a massive "switchable middle" market, as banks struggle to match rising consumer demands for AI-driven personalization against aging core infrastructure and low investment priorities.

What was announced

The research, titled “The Banking Expectation Gap: Global Consumer Edition,” surveyed global consumers and retail banks to identify friction points in the customer relationship. It found that while 56% of global retail banks admit winning and retaining customers has become more challenging over the last year, only 4% of banks cite personalization of the customer experience as their top investment priority. This disconnect is particularly sharp in Europe, where payment frustrations (54%) and poor digital experiences (34%) are driving dissatisfaction.

The data suggests a significant shift in what drives loyalty. Approximately 57% of European customers are seeking more financial guidance, and 51% want their banking apps to better anticipate their needs when they engage with the platform. Furthermore, 42% of respondents expressed a desire for rates or other benefits that reflect the size or length of their relationship with the bank. Together, these findings point to a growing demand for banking experiences that feel more relevant and advisory across both digital and human-assisted channels.

Artificial Intelligence is a focal point of this shifting landscape. While 68% of global consumers are open to using conversational interfaces for banking queries, there is a clear boundary regarding autonomy; fewer than half would trust AI to manage purchases or perform routine transactions like bill payments. Privacy and data security remain the primary hurdles, cited by 49% of European respondents, followed by concerns over inaccurate decisions at 40%. In response to these pressures, 46% of banks globally indicate they plan to make major changes to or fully replace their core banking systems in 2027, with over 20% intending to move AI into customer-facing roles.

"Customers want banking that feels more personal, more secure and easier to use, while still providing human support when it matters. These expectations are rising just as AI is reshaping how customers engage with financial services, creating a new expectation gap between the experiences customers want and what many banks are currently able to deliver."

Michael Bernard, Principal Banking Analyst, Celent.

The companies involved

Temenos, headquartered in Switzerland and listed on the SIX Swiss Exchange, is a global provider of banking technology. The company offers a range of software solutions for retail, corporate, and private banking, as well as wealth management. With a significant presence in the market, Temenos has been a frequent subject of industry analysis, particularly regarding its core banking platform and its transition toward cloud-native and AI-integrated services. The firm serves a diverse range of financial institutions, from global tier-one banks to digital challengers.

Celent is a leading research and advisory firm focused on technology for financial institutions. The firm provides strategic advice and market analysis to help banks, insurers, and investment firms navigate digital transformation. Celent often evaluates vendor solutions and market trends, providing the industry with benchmarks for technological maturity. GlobalData, formerly known as Progressive Digital Media Group Plc until its renaming in 2016, also provides critical market intelligence and data analytics across various sectors, including financial services. These organizations play a central role in quantifying the shifts in consumer behavior and the corresponding technological responses required by traditional and challenger financial institutions alike.

What FF News has reported before

FF News has extensively tracked the widening gap between institutional service delivery and market expectations. Recently, we covered Nium Research: 65% of Businesses Demand Instant Cross-Border Payments as Bank Gap Widens, which highlighted similar frustrations in the B2B sector. The role of AI as a disruptive force was also explored in AI Overtakes Comparison Sites as Top Threat to UK Commercial Insurance Brokers. Additionally, Celent’s influence in the market was noted when Duck Creek Claims Secures Top "Luminary" Rating in Celent 2026 P&C Insurance Report. Other reports, such as the UK Property Sector Faces Dangerous Cyber Insurance Gap as Attacks Surge 17%, further illustrate the systemic challenges facing the broader financial services industry.

What this means

The "switchable middle" identified in this report represents a significant threat to incumbent banks that have historically relied on customer inertia. The fact that only 4% of banks prioritize personalization, despite clear consumer demand, suggests a dangerous level of complacency or a crippling technical debt that prevents rapid pivot. This announcement puts immense pressure on legacy institutions to accelerate their core replacement plans. The industry is moving toward a model where "relationship banking" is defined by data-driven anticipation rather than physical proximity. For the sector, the open question is whether traditional banks can deploy responsible AI fast enough to prevent a mass exodus to more agile, tech-first competitors.