The percentage of clients who stop working with a firm during a specific period.
The percentage of clients who stop working with a firm during a specific period.
Definition first
The percentage of clients who stop working with a firm during a specific period.
Who this is for
Best for operators who need a quick definition first and then the operational context behind client churn rate.
Best fit when
Reviewed March 2026
Client churn rate (also called attrition rate) measures the percentage of clients lost over a period. It's the inverse of retention rate. High churn rates indicate problems with service delivery, communication, or client satisfaction that need immediate attention.
Professional services firms typically see 10-20% annual churn. Anything above 20% signals serious problems. Churn is expensive—acquiring a new client costs 5-7x more than retaining an existing one. Understanding why clients leave is essential for reducing churn.
If a firm loses 8 clients out of 50 in a year, the churn rate is: (8/50) × 100 = 16%
Angelwood identifies clients showing disengagement signals 3+ weeks before they typically cancel, giving you time to intervene.
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The percentage of clients a firm keeps over a specific period, typically measured annually.
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