Service Quality Improvement in the Banking Sector: A Data Analytics Perspective
Authors: Nwanneka Ezechi Ogechukwu , Famoti Oluwakemi , Paul-Mikki Ewim Chikezie , Eloho Okiomah , Muyiwa-Ajayi Titilayo Priscilia , Ngochindo Igwe Abbey , Ifeanyi Ibeh Augustine 
Published: February 2025

Service quality in the banking sector is a critical determinant of customer satisfaction, loyalty, and competitive advantage. As banks strive to meet the evolving expectations of customers and navigate an increasingly complex regulatory landscape, the role of data analytics in enhancing service quality has become paramount. This review explores how data analytics can be leveraged to improve service quality in the banking sector, offering insights into the methods, benefits, and practical applications of this approach. The review begins by outlining the importance of service quality in banking, emphasizing its impact on customer retention and the overall success of financial institutions. Traditional methods of assessing and improving service quality, such as customer surveys and manual audits, are often limited by their reactive nature and the inability to handle large volumes of data effectively. In contrast, data analytics provides a proactive and comprehensive approach, enabling banks to identify patterns, predict trends, and make data-driven decisions that enhance service delivery. Data analytics encompasses various techniques, including descriptive, predictive, and prescriptive analytics, each offering unique benefits for service quality improvement. Descriptive analytics allows banks to gain insights from historical data, identifying key areas for improvement. Predictive analytics uses statistical models and machine learning algorithms to forecast future customer behavior, enabling banks to anticipate needs and address potential issues before they escalate. Prescriptive analytics goes a step further by recommending specific actions to optimize service quality, based on the analysis of past and predicted data. Key areas where data analytics can significantly enhance service quality in banking include customer relationship management (CRM), operational efficiency, and risk management. In CRM, data analytics enables banks to personalize services, segment customers effectively, and predict their needs with greater accuracy. This personalized approach not only enhances customer satisfaction but also fosters loyalty and long-term relationships. Operational efficiency is another critical area where data analytics can drive improvements. By analyzing transaction data, banks can optimize processes, reduce waiting times, and improve the overall customer experience. For instance, data-driven insights can help banks streamline branch operations, optimize ATM placements, and manage workforce allocation more effectively. Risk management, particularly in the areas of fraud detection and credit risk assessment, also benefits from data analytics. Advanced analytics techniques can detect unusual patterns and flag potential fraud in real-time, reducing the risk of financial losses and enhancing trust. Similarly, predictive models can assess credit risk more accurately, ensuring that banks make informed lending decisions and maintain a healthy loan portfolio. The adoption of data analytics in banking is not without challenges. Issues such as data privacy, security, and the need for skilled personnel to interpret and act on data insights are significant considerations. However, with the right strategies and technologies in place, these challenges can be effectively managed, paving the way for substantial improvements in service quality. Data analytics offers a powerful toolset for banks aiming to enhance service quality. By leveraging data-driven insights, banks can deliver more personalized, efficient, and secure services, ultimately leading to greater customer satisfaction and competitive advantage. As the banking sector continues to evolve, the integration of data analytics into service quality improvement strategies will be essential for staying ahead in a competitive market.