Your largest customer represents 30% of your revenue, which for certain industrial businesses is not unheard of. Is that a strength or a liability? The answer isn’t as simple as “customer concentration is bad.” A large, long-term customer can be one of the most valuable relationships a company has but concentration can also introduce risk that a buyer will examine closely during a transaction.
The key consideration is how secure that revenue is.
How Long Has the Customer Been With You?
A customer relationship that has lasted 15 years may provide more confidence than one that started six months ago. Nevertheless, longevity alone doesn’t eliminate risk. A buyer may want to understand the history of the relationship, renewal patterns, pricing, and whether the customer has consistently represented a similar percentage of the company’s revenue.
Is There a Contract?
A long-term contract can provide visibility.
But buyers may look closely at:
- Contract duration
- Renewal terms
- Termination rights
- Pricing provisions
- Change-of-control provisions
- Minimum commitments
A verbal relationship that has lasted 20 years is not necessarily equivalent to a multi-year contractual relationship with clear renewal terms.
How Difficult Would It Be to Replace the Customer?
This is where switching costs matter. If a customer could replace the company with a phone call and a new vendor, the buyer may view the revenue differently than if changing providers would require months of implementation, training, integration, or disruption. The more embedded the company is in the customer’s operations, the more durable the relationship may be.
Who Owns the Relationship?
This question is often overlooked. If the owner personally maintains the relationship, a buyer may wonder what happens after the owner leaves.
If the relationship is institutionalized across a sales and account-management team, the buyer may have greater confidence that the revenue can continue after closing.
How Profitable Is the Customer?
Revenue alone doesn’t tell the whole story. A customer generating $12 million of revenue may be extremely valuable – or may require so much service, discounting, customization, or support that its profitability is far lower than the rest of the customer base.
Buyers will want to understand the economics behind the revenue.
Can the Business Diversify?
Customer concentration can become less concerning if the business has a realistic path to diversification. That might mean expanding into new markets, adding customers, increasing wallet share with existing customers, or developing new products and services.
The important question is whether the opportunity is supported by an actual strategy and track record.
The Buyer Isn’t Necessarily Worried About the Customer
A buyer doesn’t necessarily see a large customer as a problem. They see it as something that needs to be understood. A company with 30% customer concentration may still be an attractive acquisition if the customer is deeply embedded, highly profitable, contractually protected, and historically stable.
Another company with 15% concentration could present more risk if its largest customer can leave at any time. For an owner considering a sale, the best time to understand that risk is before a buyer asks about it.
