You fixed 30 leaks last month. How many of those customers called you again for a different issue? Cohort analysis shows your true retention rate and which jobs lead to loyal relationships.
Why Cohort Analysis Matters for Plumbers
Plumbing problems recur. A leak repair often leads to fixture upgrades, water heater replacement, or emergency calls. Tracking these relationships separates one-time jobs from lasting customer relationships.
- Rebooking patterns emerge. Some customers call for every plumbing issue. Others never return. Cohorts reveal the percentage in each group.
- Service type loyalty appears. Water heater customers might rebook more often than drain cleaning clients. Track this to prioritize high-value service types.
- Referral rates become clear. Do loyal customers refer more? Cohort analysis shows which customer groups drive word-of-mouth business.
- Revenue per customer calculates. Track lifetime value by cohort. A few loyal customers might generate more revenue than many one-time callers.
How to Check in GA4
Create service completion events for each job type. In GA4 Explore, build a cohort based on first service date. Track rebooking rates at 30, 60, and 90-day intervals.
For plumbing, focus on 90-day and annual rebooking rates. A customer who returns within 90 days is likely a long-term relationship. Compare cohorts by job type to see which services generate loyalty.
Compare cohorts by acquisition source. Are insurance-referred customers more likely to rebook than Google Search customers? This guides marketing spending.
The Easier Way
ClawAnalytics transforms plumbing data into actionable cohort insights. You see rebooking curves, average jobs per customer, and revenue per customer by cohort without complex setup.
For instance, you might ask: What percentage of water heater customers return for other services within a year? Or: Which neighborhoods produce the most loyal customers? ClawAnalytics displays these answers in visual dashboards.
The tool also tracks referral conversion by cohort. You see which customer groups send the most referrals and can reward them with priority service.
Quick Wins
- Follow up strategically. Use cohort data to identify the best timing for follow-up calls after service completion.
- Create maintenance plans. Offer annual plumbing maintenance to customers who had repairs. Cohort data shows the value of these programs.
- Train for loyalty. If certain plumbers have higher rebooking rates, share their techniques with the team.
- Target high-value segments. Focus marketing on customer groups with the highest lifetime value and referral rates.