Customer Retention Value Calculator

This calculator shows the potential profit at risk when customers are not retained after purchase, especially around year three when many customers begin to drift away from the supplying dealer.

Customer Database Inputs

Total Active Customers in Database

Suggested example: 5,000.

Average Profit Per Customer Cycle (£)

Suggested benchmark: £7,720.

Customers Lost by Year 3 (%)

Suggested benchmark: 67%.

Target Retention Improvement (%)

Suggested starting point: 10%.

Retention Risk Inputs

Database Error Rate (%)

Suggested benchmark: 50%.

Customers Considering Independents (%)

Suggested benchmark: 51%.

Discount Expectation Risk (%)

Suggested benchmark: 57%.

Current Average Response Time (Hours)

Suggested customer expectation: within 2 hours.

Estimated Profit at Risk

£0

Adjust the calculator inputs to view the impact of poor customer retention.

Year 3 Churn

Customers Lost

Data Risk

Unreachable Customers

Estimated profit risk from poor contact data.

What If

Profit Protected

£0

Retention Risk Breakdown

Profit lost from Year 3 churn: £0

Profit risk from bad data: £0

Potential customers considering independents: 0

Potential customers affected by discount/value expectations: 0

Slow response penalty estimate: £0

GETTING TO THE ROOT CAUSE

Retention Is Rarely Lost in One Moment

Customers are usually lost through a series of small failures: poor data, weak follow-up, unclear value, slow response, poor service communication or no structured ownership after handover.

Tatnall helps dealerships get underneath the numbers, identify the real cause of customer drift and build practical processes that protect retention, future revenue and customer lifetime value.

Improve Customer Retention