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The G.R.E.A.T. Retention Method™

A behavioural framework for driving repeat business and advocacy.

From Emotion to Advocacy — By Design

The G.R.E.A.T. Retention Method is a behavioural framework that applies principles of human psychology to deliberately design post-sale emotional states that turn customers into repeat buyers and advocates.

It unfolds in five stages — Gratitude, Reinforcement, Engagement, Anchoring, and Transformation — each designed to create a specific emotional outcome that moves the relationship from transaction to loyalty — and from loyalty to advocacy.

GRATITUDE

Gratitude turns transaction into connection — and connection into emotional safety

Set the emotional foundation for long-term loyalty. Signal appreciation, safety, and respect — before logic takes over.

Why Gratitude matters

A transaction is neutral. It fulfils a need but creates no memory.

In after-sales marketing, Gratitude is not a courtesy — it is the first behavioural trigger. It interrupts neutrality by introducing recognition — the moment a customer feels seen, not processed.

This shifts the relationship from economic to emotional. The customer stops thinking like a buyer and starts thinking like a participant. This is the emotional permission required for customers to stay, return, and eventually advocate.

REINFORCEMENT

Reinforcement turns emotion into conviction — and conviction into reassurance

Stabilise initial emotion by replacing doubt with certainty—before second-guessing begins.

Why Reinforcement matters

Emotion alone is fragile.

After the high of a decision, doubt rushes in. In after-sales marketing, Reinforcement is not persuasion — it is cognitive protection. It provides evidence, proof, and clarity when uncertainty arises. 

This shifts the customer from feeling right to knowing they were right. The decision becomes mentally defended. The customer stops questioning their choice and starts protecting it, acting, albeit temporarily, as your brand advocate. The reassurance locks in trust, prevents early disengagement, and creates the psychological stability required for continued engagement.

ENGAGEMENT

Engagement turns satisfaction into participation — and participation into identity

Move the relationship from passive approval to active involvement. Invite customers to act, contribute, and participate — not just consume.

Why Engagement matters

Satisfaction is passive. It signals approval, but it does not sustain behaviour.

A satisfied customer can disappear silently. There is no friction, no attachment, no investment. Engagement changes this dynamic by introducing action — replies, contributions, presence, and shared moments. The moment a customer acts, they invest time, attention, or effort. That investment changes how they see the relationship.

The customer shifts from “I’m happy with this” to “I’m involved in this.” Once involvement begins, identity follows. The relationship stops being something they use and becomes something they participate in. At this stage, the customer no longer experiences the brand as external — it becomes part of how they see themselves.

ANCHORING

Anchoring turns loyalty into habit — and habit into security

Make the relationship automatic. Replace conscious choice with routine, familiarity, and trust — so staying feels effortless.

Why Anchoring matters

Loyalty alone is conditional.

People may like you, trust you, and still drift — not out of dissatisfaction, but out of convenience, distraction, or novelty. Anchoring stabilises loyalty by turning preference into habit. It introduces rhythm, repetition, and predictability, reducing the mental effort required to stay. When a customer no longer needs to decide, behaviour becomes consistent.

This shifts the relationship from “I choose you” to “I return by default.” The brand becomes the reference point — the safe, familiar option against which all others are compared. At this stage, customers stop evaluating alternatives. The relationship is no longer sustained by persuasion, but by routine.

TRANSFORMATION

Transformation turns loyalty into advocacy — and advocacy into purpose

Move the relationship beyond retention. Enable customers to express identity and values through the brands they support.

Why Transformation matters

Retention is inward-facing. Advocacy is outward-facing.

A loyal customer stays. An advocate speaks. Transformation occurs when the relationship forms part of a person’s identity — when supporting your brand is no longer just a preference, but a signal. Advocacy is not driven by incentives or prompts; it is driven by self-expression.

This is where loyalty turns into meaning. Customers advocate not to help the brand grow, but to affirm something about themselves. The act of recommending, defending, or sharing becomes a reflection of their values, taste, or beliefs. At this stage, the brand is no longer experienced as a utility or provider. It becomes a value-aligned cause. Advocacy is sustained because it reinforces identity — and identity, once formed, is remarkably resilient.

Continue exploration

The G.R.E.A.T. Retention Method can be explored, experienced, and implemented at different levels — depending on where your organisation is today.

It is designed to work across sectors and stages of maturity — from organisations formalising their first retention practices to those refining loyalty, advocacy, and long-term brand relationships.

Read it

Explore the thinking and structure behind the method.
This landmark book, rooted in behavioural analysis, takes us on a journey through the emotional architecture of loyalty — and shows how retention strategies can be deliberately designed to build brand advocacy. A must-read.

Andrew Marsden,
Former President, The Marketing Society

Experience it

Apply the method through facilitated workshops and leadership sessions.
We have already had a meeting at work on how to incorporate the information you provided into our operational strategies at grit:lab — no time wasted.

Jessica Westerlund,
Community Manager at grit:lab