What is Churn?

Also known as: Customer attrition, Customer churn

Definition

The percentage of clients who cancel within a given period (usually per month or year). Keeping churn low is essential to an agency's health, since winning new clients costs more than retaining existing ones.

In-depth explanation

A good agency has a monthly churn of 2-5%. Higher than 10% per month is alarming — it means you lose half your client base every 10 months and therefore have to keep winning new clients just to hold the same MRR.

Churn can be measured at two levels: (1) customer churn (how many clients cancel), (2) revenue churn (how much MRR you lose — more meaningful because one large client weighs heavier than five small ones). For agencies, long-term client retention is worth more than aggressive growth: a client who stays 3 years is worth their weight in gold.

Example from agency practice

An agency starts January with 20 clients. In the first month 2 clients cancel = 10% monthly churn. A warning sign — the agency digs in and finds both clients were unhappy with reporting quality. The fix: automating reports. Churn drops to 3% in the following months.

Especially relevant for

  • Agency owners
  • Account managers
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