Knowledge BaseCustomer Relationships: how do you keep customers?
BMC Block Guide

Customer Relationships: how do you keep customers?

Customer Relationships describe how you interact with each customer segment throughout the relationship lifecycle, from acquisition through retention and growth.

2 min read
·
May 7, 2026

The Customer Relationships block describes how a company builds and maintains relationships with each of its Customer Segments. Relationships range from fully personal to completely automated, from one-off transactions to long-term partnerships.

Getting this right is the difference between customers who leave and customers who stay, spend more and refer others.

Most businesses obsess over acquisition and underinvest here. That is a costly mistake.

Six Types of Customer Relationships

Personal Assistance

Based on human interaction. A customer talks to a real person before or after purchase. Common in professional services, banking and luxury goods.

Dedicated Personal Assistance

A specific person is assigned to a single customer. Key account management in B2B. Private banking. High-value, high-touch and expensive to scale.

Self-Service

No direct relationship. Customers help themselves. Supermarkets, ATMs and most e-commerce.

Automated Services

Software recognises individual customers and personalises the experience. A recommendation engine. Automated onboarding sequences.

Communities

User communities allow customers to help each other. Reduces support costs and builds loyalty. Often underestimated as a relationship type.

Co-Creation

Customers help create value. User-generated content. Customer-developed features.

Where Most Companies Go Wrong

Retention and account growth are cheaper than acquisition, and they build a compounding base rather than a leaky one.

Most companies put almost everything into getting new customers. The model that grows sustainably invests equally in keeping existing customers and expanding what they spend.

Your existing customers already trust you. If the only thing you do with a happy customer is invoice them, you are leaving a lot on the table.

Match the Relationship Type to the Segment

A SaaS company might offer self-service onboarding for solo users and dedicated account management for enterprise clients.

The relationship type should match what the segment values and what the business can sustainably deliver. Promising high-touch to everyone is a trap.

Questions to Explore with Clients

  • What do you do to make customers stay beyond the first purchase?

  • Which customer segment is most valuable to retain? How do you treat them differently?

  • Are there relationship types you are not currently offering that your customers would value?

Now put it into practice.

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