
Customer Base Audit

Description
The Customer Base Audit (CBA) framework, developed by leading researchers in the field, provides a standardized and research-based method for evaluating the health and performance of a customer base over time. Designed as a foundational strategic health check for executives, commercial leaders and investors it offers a clear way to understand how customer value is created, sustained, and eroded.
By analyzing customer data through five key lenses, with focus on time-based cohorts and value deciles, the CBA translates raw transactional data into actionable insight that clarifies business performance, informs resource allocation, and strengthens marketing, CRM, and customer experience strategies.
At Colcrane, we take the methodology even further with our new frontier predictive approach — the Predictive Customer Base Audit (pCBA). It applies the same proven framework, but adds a predictive layer powered by advanced data modeling to forecast customer value and uncover hidden behavioral patterns. This enables organizations not only to understand where value lies today, but to anticipate where it will emerge tomorrow.
For investors and senior leaders, the pCBA provides a clear, evidence-based view of customer base health — a measurable indicator of business quality, stability, and future revenue potential. For marketing professionals, it refines segmentation, optimizes targeting, and improves campaign effectiveness. For customer experience leaders, it identifies loyalty drivers, friction points, and behavioral shifts that guide smarter personalization and retention strategies.
Combining descriptive and predictive capabilities, the audit answers essential strategic questions:
•. Customer Health: How stable and profitable is our customer base, and how do we project its future evolution?
•. Customer Quality Over Time: Are we attracting and retaining high-value customers, and what does the future look like
• Behavioral Insights: What underlying patterns explain performance changes?
•. Strategic Influence: How effectively are we shaping customer behavior toward sustained engagement?
Value

Improved decision-making based on actual behavior
Platform for creating a shared customer strategy across silos

Uncover hidden risks in customer retention before they impact revenue.

Robust way of determining how sustainable the relationship is with your customers
Example Ouputs



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