Retail Banking

Retail Banking

BCG Expand helps Retail Banks improve customer economics, channel performance, and operating efficiency through benchmarking of costs, digital adoption, branch productivity, fraud loss, and technology investment.

Our Retail Banking Solutions

The Challenge

  • ✔ Limited transparency on financial and productivity drivers
  • ✔Rising operations and technology costs
  • ✔Inefficient resource allocation

How we can help

Benchmark Model

We apply a peer-aligned benchmark model that predicts expected performance across revenue, cost, productivity, and channel metrics, creating a robust fact base for comparison against best-practice peers.

Global Peer Comparison

We conduct structured global peer comparisons to highlight performance gaps, best practices, and efficiency opportunities across products, channels, and customer segments.

Performance & Productivity Diagnostics

We analyse over 500 performance metrics covering products, channels, customers, and operations to identify improvement levers across sales productivity, channel efficiency, and cost-to-income performance.

Market Sizing

Granular, product-level market sizing with estimates on balances and revenues (interest and non interest), along with bepoke segmentation analysis.

Client success stories

$100M revenue uplift identified through targeted cross-sell and product-mix improvements
5–10% uplift in digital adoption compared to peer averages
10–15% reduction in branch and call-centre operating costs
15–20% improvement in sales productivity through peer-driven best-practice adoption

Case Studies

Global Tier-1 Bank

Back-office efficiency analysis revealed performance 40% below benchmark, identifying $100M+ in cost-saving potential.

Regional US Bank

Optimised product portfolio and sales approach, identifying a $100M revenue uplift opportunity.

The Challenge

  • ✔ Fragmented view of customer behaviour and attrition drivers
  • ✔ Inability to link customer feedback to performance outcomes
  • ✔ Gaps between perceived service quality and actual customer experience

How we can help

Voice-of-Customer Analytics

We combine customer feedback with internal performance data to identify experience gaps, unmet needs, and growth opportunities across priority customer segments.

Segment-Level Insight Delivery

We link customer behaviour, satisfaction, and attrition data to financial and operational outcomes, enabling targeted actions to improve engagement, reduce churn, and drive profitable growth.

Growth & Experience Activation

We translate insights into clear priorities across journeys, products, and channels to sharpen value propositions, optimize spend, and deliver measurable business impact.

Client success stories

6–8% market-share potential identified through segment-level needs analysis
5–10% customer leakage identified from attrition and competitor switching patterns
+10 pts NPS uplift identified by fixing high-friction customer journeys
+12 % Primacy uplift identified by deepening cross-sell at moments of demand

Case Studies

Large US Bank

Survey insights highlighted switching risk and digital gaps, revealing 6–8% market-share upside through targeted acquisition improvements.

Leading Middle East Bank

REBEX identified a 10% cross-sell uplift opportunity, enabling deeper product relationships and driving a 5% reduction in customer attrition.

The Challenge

Exhibits

For Banks, the AI Reckoning Is Here

Predictive, generative, and agentic AI are redefining the foundations of scale, efficiency, and customer experience.

Read report

The Future of Finance 2025: Fit for Growth, Built for Purpose

To Remain a Force for Good, Banks Must Boldly Integrate AI and Earn a Broader Mandate

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The Future of Finance

Seize a $7 Trillion Opportunity, Banks Need Bolder Strategies for Serving Customers and Society

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“REBEX provided us with a lot of really practical and actionable material. The insights are very relevant to our current strategy work and provide discussion points for our senior leaders.”

Head of Consumer Banking Top-20 US Bank

“The REBEX insights were extremely timely for our strategy planning for next year.”

Head of Retail Banking Middle East

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