Companies can improve customer retention rates by addressing the root causes of customer attrition through a strategic approach. This involves applying targeted retention strategies across all customer touchpoints in a coordinated effort. The document discusses establishing a "Churn Command Center" to oversee retention efforts across the organization. It also emphasizes the importance of customer analytics to understand why customers churn and tailor retention offers, as well as testing offers across channels to maximize effectiveness and minimize risks. Leading companies see reductions in churn of 10-50% through these integrated, data-driven approaches.