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Revenue is one of the easiest business numbers to understand. A customer that spends $1 million appears more valuable than one that spends $250,000. But revenue alone does not show what it costs a company to earn and service that business. Once extra labor, expedited shipping, special inventory, customization, discounts, returns, and management time enter the equation, the difference between a large customer and a profitable customer can become much less obvious.
Sean Powers Geneva has worked across sales, operations, manufacturing, international sourcing, supply chain management, and business development. That combination has given him experience looking at customers from both sides of an organization: the team responsible for winning the business and the teams responsible for delivering what was sold.
“Sales tells you what the customer is worth when the order comes in,” Powers says. “Operations can tell you what it actually takes to keep that customer. You need both sides of that story.”
Revenue Is Only the Starting Point
A large account naturally attracts attention. Losing it could create a noticeable hole in revenue, while growing it can make a salesperson’s numbers look great.
The problem is that two customers producing the same revenue can require completely different levels of effort.
Suppose Customer A places predictable orders, accepts standard products, pays according to agreed terms, and provides reasonable lead times. Customer B generates the same annual revenue but frequently changes orders, requires custom packaging, asks for rush production, carries special inventory, and regularly needs expedited freight.
Those accounts aren’t equally valuable just because the invoices add up to the same number.
“You can have a customer everybody considers a great account because the revenue is high,” Powers says. “Then you start asking how many exceptions the company makes for them. How many rush shipments did we pay for? How much inventory are we holding specifically for them? How many people touch that account every week? That’s when the picture can change.”
This does not mean Customer B is automatically a bad customer. The pricing and margins may justify the additional work. The important thing is knowing.
Special Requests Have Real Costs
Customization can be valuable. It can differentiate a business from competitors and allow companies to solve problems that standardized products cannot.
But customization is rarely free.
A special product may require different materials, a production setup, an inspection procedure, packaging, a label, or a shipping process. Employees may have to remember instructions that apply to only one customer. Purchasing may need to order materials that cannot easily be used elsewhere.
Each individual request may appear manageable. The real cost becomes clearer when companies look at them all together.
Powers recommends tracking customer-specific exceptions rather than allowing them to disappear into normal operating expenses.
“If we’re changing a production run, buying something we normally wouldn’t carry, and shipping it overnight because of one account, I want to understand that,” Powers says. “Maybe the customer is profitable enough that we should happily do all of it. But we shouldn’t pretend those things cost nothing.”
One practical approach is to create a simple list of services or activities outside the standard process and identify which customers use them most often.
Expedited Shipping Can Tell an Interesting Story
Freight is particularly useful because it can reveal problems that started elsewhere.
A company might spend thousands of dollars on expedited shipping and record it simply as a logistics expense. But why was the shipment expedited?
Perhaps the customer placed an unusually late order. Maybe sales promised a delivery date without checking capacity. A supplier could have been late. Production might have fallen behind. The customer might routinely expect the company to compensate for poor planning.
The freight bill is the visible expense. The reason behind it tells the more useful story.
According to the Council of Supply Chain Management Professionals’ annual State of Logistics Report, U.S. business logistics costs have reached trillions of dollars annually in recent years. Transportation represents a major portion of that spending, making freight decisions far from trivial for businesses that regularly move products.
Powers recommends tracking expedited freight by customer and by cause.
“If one account is responsible for a surprising amount of rush freight, don’t stop at the total,” he says. “Find out why. If we’re creating the problem internally, we need to fix our process. If the customer’s behavior is creating it, we need to decide whether our pricing reflects that.”
Service Time Is Easy to Underestimate
Some customer costs never appear neatly on an invoice.
Consider an account that regularly requires meetings involving sales, operations, finance, and management. Each meeting may seem harmless. But four employees spending an hour on a recurring issue represents four hours of labor before anyone completes the follow-up work.
Customer service can reveal similar patterns.
One customer may place orders and rarely need assistance. Another may regularly request corrections, status updates, documentation, special reporting, or changes after an order has entered production.
“The question isn’t whether a customer contacts you frequently,” Powers explains. “Sometimes your best customers have legitimate reasons to need more support. The question is whether you’ve built that level of support into what you’re charging them.”
Companies can begin by estimating the internal hours required to service major accounts. The calculation does not have to be perfect. Even a reasonable estimate can expose large differences between customers.
Inventory Can Hide Customer Costs
Customer-specific inventory creates another potential blind spot.
A company may agree to keep extra material available so an important customer can receive faster service. That can make sense, especially when demand is predictable.
But inventory consumes cash and warehouse space. It can also become obsolete if the customer changes products, reduces orders, or leaves.
Powers believes companies should periodically ask why they’re holding inventory and who benefits.
“If we’re carrying three months of a particular material because one customer needs immediate availability, that’s part of the economics of that relationship,” he says. “It doesn’t necessarily mean we stop doing it. It means we should know we’re doing it.”
Businesses can review customer-specific inventory quarterly and compare what they are holding with actual purchasing patterns. Slow-moving material deserves particular attention.
The Biggest Customer Can Still Be a Great Customer
Profitability analysis should not become an excuse to label demanding customers as bad customers.
Large accounts may provide predictable volume, valuable market access, long-term relationships, or opportunities that extend beyond the immediate margin. Some customers legitimately require more support because they are buying significantly more.
Reducing every relationship to a spreadsheet also carries risks.
Powers argues that the goal should be better decisions, not automatically cutting customers who require additional work.
“I wouldn’t look at one report and decide a customer isn’t worth having,” he says. “I’d use the information to ask better questions. Is our pricing right? Can we simplify the process? Are we creating some of these costs ourselves? Is there a strategic reason this relationship matters?”
Sometimes the answer is to raise prices. Sometimes it is to establish clearer ordering rules, charge for expedited freight, reduce unnecessary customization, or improve an internal process.
And sometimes the conclusion will be that the customer is still extremely valuable.
Measure the Relationship, Not Just the Sales
Businesses don’t need complicated systems to start understanding customer profitability.
Start with the largest accounts and examine revenue, gross margin, discounts, returns, special inventory, expedited freight, customer service requirements, custom work, and employee time. Then look for significant differences.
The objective is not perfect accounting down to every email and phone call. It is visibility.
A customer producing impressive revenue can still be expensive to serve. Another customer with lower sales may quietly generate reliable margins year after year because orders are predictable and the relationship requires few exceptions.
Don’t judge either customer by revenue alone.
“Winning business is important, but you also have to understand the business you won,” Powers says. “If an account looks great on the sales report and creates problems everywhere else, that’s information worth knowing.”
The biggest customer may indeed be the best customer.
Businesses should simply do the math before assuming those two things mean the same thing.
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