Upsell

Selling an existing customer a larger or higher-priced version of what they already buy.

Checked 9 Oct 2026 · 2 sources

What is an upsell?

An upsell is selling an existing customer a larger or higher-priced version of what they already buy. In services, that might mean moving from annual to quarterly inspections, adding emergency response coverage to a maintenance agreement, or extending an agreement to more buildings. It differs from a cross-sell, where the seller offers something else entirely, such as a second trade.

Why it matters to a revenue leader

Upsells are often the cheapest growth a revenue leader can find, because the customer already trusts the work, and they raise the value of every renewal that follows. The risk is pushing a bigger package the customer does not need. Investopedia notes that customers can experience extra selling as pushy, and that poor practice harms satisfaction and reputation. The strongest upsells start from something the customer's own service history shows, such as repeat failures on a system that only gets checked once a year.

Example

Fictitious numbers

A mechanical contractor has 80 customers on twice-yearly maintenance. Service records show that 18 of them called for emergency repairs three or more times last year. The account managers bring those records to each customer and propose quarterly visits. Eleven accept, adding $132,000 in annual agreement value and cutting the emergency calls those sites generate.

The question to ask

"Which customers' service history already makes the case for a bigger agreement, and has anyone shown it to them?"

Sources

  1. Upselling (Wikipedia) checked 9 Oct 2026
  2. Cross Selling & Upselling Explained: Pros, Cons, and Key Differences (Investopedia) checked 9 Oct 2026

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