Ecommerce
use case
Grow revenue

Cross-sell targeting: which single-category customers to reach first

Last updated
October 14, 2026
Written by
Kat Ellison

The short answer

Good cross-sell targeting starts with your multi-category customers. Profile customers who buy from three or more categories, then score each single-category customer on how closely they match on spend, purchase frequency, tenure, channel and starting category. The closest matches are the most likely to add a second category.

Why it matters

Sending every single-category customer the same cross-sell offer spends discount and attention on people who were never going to broaden. Ranking them by resemblance to multi-category buyers puts the offer in front of the customers most likely to add a category and lift their annual spend.

The question to ask

Copy this into Lexi as written.

Which of my single category customers look most like my multi-category customers?
Copy question

What the answer looks like

Illustrative output on sample data

Illustrative example: how Lexi answers this for a beauty retailer with 84,000 single-category customers. It scores each one against the profile of customers who buy across categories.

  • Includes customers with at least two orders in two years.
  • Scores spend, frequency, tenure, channel mix and starting category.
  • Excludes anyone who received a cross-sell offer in the last 60 days.

What the data shows

11,200 customers score 70 or above. 6,300 started in skincare, where makeup is the usual second category. 4,900 started in fragrance, where body care comes next.

What it means

Each group has a clear second category, so the offer can match the path similar customers already took.

What to do

Send skincare buyers a makeup edit and fragrance buyers a body care pairing.

Want me to push both groups to Klaviyo or Meta with their recommended category?

Frequently asked questions

What makes a customer a good cross-sell target?

A good target already behaves like your multi-category customers in everything except category breadth. Similar spend, order frequency, tenure and channel use suggest the relationship can support a second category. Customers with one small order rarely respond, so require some purchase history before scoring.

Why not send a cross-sell offer to every single-category customer?

Broad offers spend discount and attention on customers with no sign of wanting more, and they can train your best single-category buyers to expect a deal. Scoring by resemblance concentrates the offer on customers whose behavior already points to broadening, which lifts response and protects margin.

How do I increase cross sell without a discount?

Lead with relevance before price. Show the category similar customers added second, in email, on the site and through store associates, and explain why it fits what the customer already buys. Test a no-discount message against an offer on part of the audience, and keep the discount only where it earns its cost.