BusinessBuilder
Founder problem

Too dependent on one big customer

When one customer is most of your income, they shape your prices and plans. What research shows about customer dependence, with case studies.

What is usually going on

A large customer can bring steady volume and lower selling costs. But as their share grows, so does their say over price, terms and timing—and your alternatives narrow.

Read with the book

Chapter 6 (the Holdup Trap). The Founder’s Trap →

What the research says

In Chinese SMEs listed on the NEEQ exchange (2013–2020), customer dependence was associated with higher profit and growth.Limits: Chinese SMEs; associations, not causes.Zhang, H., Hu, M. & Jiang, S. (2025). Profit or Growth? The Impacts of Supplier Dependence and Customer Dependence on SMEs’ Performance. Sustainability, 17(3), 1302.Read the research →
In Chinese listed non-financial firms (2006–2020), higher customer concentration was associated with weaker financial growth, and a defensive business strategy reduced that effect.Limits: Larger listed Chinese firms; associations, not causes.Ahsan, T., Mirza, S. S., Gull, A. A. & Majeed, M. A. (2023). How to deal with customer and supplier concentration to attain sustainable financial growth? The role of business strategy. Business Strategy and the Environment, 32(7), 4600–4619.Read the research →

Together: customer dependence is not automatically good or bad—context and how it is managed matter.

More studies, with their limits, are on the Research & Evidence page.

Cases to read

Example Snapshot + Board Review · FictionalHinterland NativesAn exclusive offer from one buyer that would concentrate everything.Read the summary →
Fictional caseCoolgardie Commercial RefrigerationA supermarket group approaching a third of billed hours.Read the summary →
Fictional caseJoe Personal TrainerTwo hotel buyers, each holding leverage at renewal.Read the summary →

Your next step

If this sounds like your business, a Snapshot Review (A$249, including the book) provides an independent view of how your business fits together, where pressure is concentrated, and what to test first. It is delivered within two business days of receiving your Intake Form.

Explore the Snapshot Review

General information and educational insight only; not financial, legal, tax, strategic or professional advice.

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