Customer Analytics | Retention Strategy 2026-01-28 CASE FILE // LOG-09

Alcohol Retail CLTV Intelligence

Built a CLTV model and dashboard to prioritise retention spend and increase repeat purchases.

#Python #SQL #CLTV #PowerBI
Problem Retail teams were spreading retention spend too broadly because customer value was not clear.
Focus I built the CLTV framework, defined usable segments, and linked them to weekly campaign planning.
Outcome The analysis helped focus effort on higher-value customers and reduce low-impact targeting.
// analyst.signals
Segmentation logic Retention planning Campaign prioritisation

Overview

Retail teams had weekly campaign pressure but no reliable way to rank customers by long-term value.

Business Context

Retail teams were under pressure to drive repeat purchases, but campaign decisions were still driven by short-term sales thinking. Without a clear customer value view, retention spend and promotional effort were spread too broadly.

Problem Statement

The business needed a more practical way to distinguish high-value customers from low-value or one-time buyers so retention effort could be prioritised more effectively.

Analyst Objective

Build a customer value framework that could support retention planning, improve targeting decisions, and connect campaign effort to likely commercial value.

Stakeholders

  • CRM and marketing teams needed segments they could use in campaign planning.
  • Commercial teams needed a better view of where repeat value was coming from.
  • Management needed clearer justification for retention spend allocation.

Key Questions

  • Which customers were likely to generate the most future value?
  • Where was retention budget being wasted on low-value audiences?
  • Which customer signals were most useful for practical segmentation?
  • How could model outputs be translated into campaign-ready actions?

Workflow Thinking

  • Customer transactions and loyalty behavior feed into value scoring and segmentation.
  • Segments then inform retention actions, promotional choices, and weekly campaign planning.
  • The analysis only becomes useful when model scores are translated into simple operating decisions.

KPI Framework

  • Business metrics: margin contribution, repeat purchase value, campaign ROI.
  • Customer metrics: recency, frequency, retention probability, segment movement.
  • Operational metrics: targeting efficiency, low-impact campaign reduction.

These metrics mattered because the goal was not just to score customers, but to guide better retention decisions.

Approach

  • Prepared 24 months of basket-level transactions and loyalty history.
  • Engineered recency, frequency, margin, and product affinity features.
  • Trained a baseline probabilistic CLTV model and calibrated segment thresholds.
  • Published a Power BI dashboard with segment drill-down and campaign recommendations.

Insights

  • A relatively small share of customers was driving a disproportionate share of margin.
  • Uniform targeting was diluting retention spend across low-value segments.
  • Segment-level visibility made it easier to plan targeted actions instead of generic promotions.

Deliverables

  • Customer value problem framing
  • CLTV segmentation logic and threshold definitions
  • Retention-oriented dashboard views
  • Campaign recommendation layer by segment
  • Decision support for weekly CRM planning

Results

  • Identified the top value segment representing 18% of customers and 54% of margin.
  • Reduced low-impact campaign targeting by 27%.
  • Enabled weekly retention planning with measurable segment-level uplift.

Next Steps

  • Track campaign results by segment to see which actions are actually working.
  • Review whether product affinity should play a bigger role in retention offers.
  • Revisit the segment thresholds over time as customer behavior changes.
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