THE EVOLUTION OF NEO-BANKS: ASSESSING CUSTOMER LOYALTY AND OPERATIONAL EFFICIENCY IN THE POST-DIGITAL ERA
Indonesia 
Malaysia Malaysia 
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Customer Loyalty, Digital Banking, Neo-Banks
Abstract
Neo-banks have transformed financial service delivery through digital platforms, yet sustained customer loyalty and operational efficiency remain critical challenges beyond initial market expansion. This study examines how customer engagement, institutional trust, and financial performance characterize the evolution of neo-banks in the post-digital era. A comparative secondary-data design synthesizes public financial disclosures from Nu Holdings and Monzo Bank with peer-reviewed evidence on customer retention and banking efficiency. The findings indicate that Nu Holdings expanded its customer base from 74.6 million in 2022 to 114.2 million in 2024 while maintaining relatively stable customer activity rates and servicing costs per active customer. Monzo similarly reported growing customer engagement, revenue, and adjusted profitability in its 2025 financial year. Previous empirical studies identify perceived financial security and trust as important correlates of retention, while efficiency outcomes vary across institutions. These observations show that customer growth and favorable operating metrics can coexist, but neither activity rates nor profitability alone establish loyalty or cost efficiency. The study concludes that sustainable neo-banking requires both credible customer relationships and disciplined resource management. Institution-matched longitudinal evidence is needed to test their relationship and distinguish association from causation across diverse regulatory and competitive environments as digital access becomes an industry norm.
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References
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