Discount drift: the quiet leak in your sales data

Our view is simple: discounting is rarely the problem. Discounting that nobody decided is.

Every business discounts, and most should. A sharp price to win a strategic account, or a concession in exchange for a longer contract, is commercial judgement at work. Discount drift is different. It is the slow widening of the gap between the price your policy says you charge and the price you actually collect, built one deal at a time from decisions that each looked sensible when they were made.

Why averages hide it

Most commercial reporting shows averages: average discount by region, by product, by month. Averages are exactly the wrong lens. A business can hold its average discount perfectly steady while the range underneath widens every quarter, with more deals at the very bottom of the band balanced by a few at the top. The dashboard stays green while more and more of the margin is being set by individual negotiation rather than by policy.

The second blind spot is the invoice. Much of what customers receive never appears on it: rebates, extended payment terms, free freight, marketing funds, waived fees, free months. McKinsey's work on the pocket price waterfall, building on Marn and Rosiello's Harvard Business Review article on managing transaction prices, remains the clearest argument for looking past the invoice to what the business actually pockets.

Illustrative example

Illustrative example. It is the last week of the quarter at a software business. The sales team is behind target. A seller has a renewal that needs to close, and the customer has mentioned a competitor. The manager approves an extra discount, plus two free months "as a one-off". Across the floor, the same conversation happens a dozen times.

Next year the renewal comes round again. The free months are now part of what the customer expects. The extra discount rolls forward because nobody flagged it to expire. A new seller inherits the account and assumes the price is the price. Three years later, a group of mid-sized customers pay less than smaller ones, the original competitor threat is long forgotten, and the average discount in the board pack has barely moved.

What you'd notice

• Discount levels look stable, but nobody can show you how widely they vary for similar deals.
• Deep discounts cluster in the last days of each month or quarter.
• A handful of approvers, sellers or accounts appear again and again among the deepest deals.
• "Competitor pressure" is the most common reason given, but evidence is rarely attached.
• Free periods, waivers and rebates are agreed outside the system that records price.
• Exceptions granted once are still in place at the second or third renewal.
• Reps can tell you the discount they gave, but not the margin they made.

Why it matters

Discount drift is margin the business has already won and then handed back. Recovering it needs no new customers, products or headcount, only better decisions on deals already happening, which makes it some of the quickest and most defensible profit available to a management team or an investor.

It also compounds in the wrong direction. Unmanaged discounting teaches customers that the list price is an opening offer. The longer drift runs, the more it becomes the expected way of doing business, and the harder it is to reverse without friction. Sales leaders know this instinctively; Bertini and Wathieu's HBR piece on how to stop customers fixating on price explains why value, not price, needs to lead the conversation. How incentives are designed is each company's own decision, but if pay rewards revenue alone, expect revenue to be bought with discount.

Getting pricing discipline right across a whole business is worth a great deal: our team's work on a global pricing strategy delivered around £15M EBITDA a year. These figures come from roles our team held directly, not from client engagements.

For those who want to go deeper on the discipline, the Professional Pricing Society is the main industry body for pricing practitioners.

Takeaway

Discount drift is never one bad decision. It is many reasonable ones that nobody adds up. The businesses that keep it in check don't discount less; they discount on purpose. The margin is usually already there. Discount drift is often where it's been hiding.

Figures come from roles our team held directly, not from client engagements. Examples marked illustrative are hypothetical; third-party figures are from the sources linked.