What is cross-selling? Definitions, examples, and best practices

Cross-selling is a sales strategy that recommends complementary products or services based on customers' existing or past purchases.

For example, if a customer buys a laptop, cross-selling opportunities might include a laptop bag or extended warranty to complement that purchase. It's a less aggressive tactic than it sounds: done well, it helps customers find products they genuinely need, increases average order value (AOV) without additional prospecting, and builds long-term loyalty.

Unlike upselling, which nudges customers toward a more expensive version of what they're buying, cross-selling focuses on what pairs well with it. The intent is to add value, not to push a bigger ticket.

How does cross-selling work?

Cross-selling works by analyzing customer behavior and purchase history to surface relevant add-ons at the right moment.

The three most common cross-selling approaches:

• Personalized recommendations: Use purchase history or browsing data to suggest products that complement what a customer already owns or is buying.

• Bundling: Offer related products as a discounted package, targeting customers who may not know they need the add-on until it's presented alongside their primary purchase.

• Point-of-sale and follow-up touchpoints: Surface add-ons at checkout or via post-purchase email, when the customer's intent is highest and the primary purchase is top of mind.

According to HubSpot, cross-selling and upselling account for 10–30% of e-commerce revenue—making it one of the highest-ROI levers available to sales teams.

Cross-selling vs. upselling

Both strategies increase revenue from existing customers, but they work differently and serve different moments in the sales process.

• Cross-selling focuses on suggesting complementary products. For example, a phone retailer might recommend a protective case and screen protector to complement the customer’s purchase of a new smartphone.

• Upselling, on the other hand, encourages customers to upgrade to a higher-end version of a product they’re considering or buying. For example, if a customer is considering buying a basic smartphone, a salesperson could upsell them to a premium model with more features.

Cross-selling vs upselling

Cross-selling expands the cart; upselling upgrades it.

Cross-selling examples in SaaS

In Saas, cross-selling typically means offering add-ons, integrations, or complementary tools that extend the value of your core product.

Here are a few common examples:

• Project management - reporting and storage. A project management platform might cross-sell advanced reporting tools or expanded storage so teams can better analyze data and manage resources without switching tools.

• CRM - marketing automation. A CRM provider might cross-sell a marketing automation add-on, letting sales and marketing teams run campaigns and track leads from the same platform.

• E-signature - document analytics. A team using an eSignature tool to send contracts might add a document analytics layer to track when recipients open, read, and engage with documents.

• CPQ - contract management. A sales team using CPQ software to build and send quotes might add contract management to turn accepted quotes into signed contracts without switching tools.

• Helpdesk - knowledge base. A support platform might cross-sell a self-serve knowledge base so customers can resolve common issues without opening a ticket, reducing support volume while improving experience.

In each case, the cross-sell works because it solves a problem the customer already has. It doesn't create a new need; it addresses an existing one.

Try our AI prompt to find cross-selling and expansion opportunities.

See also

Customer engagement CPQ: How these tools boost sales interactions and loyalty

Does cross-selling work for B2B companies?

Yes, and it's often more valuable in B2B than B2C because accounts are larger, relationships are longer, and expanding an existing account costs far less than acquiring a new one.

The mechanics are different, though: B2C cross-selling relies on automated recommendations at the point of purchase. B2B cross-selling requires account mapping, stakeholder alignment, and timing recommendations to contract renewals or expansion conversations rather than checkout moments.

The pitch is different too. B2C cross-selling appeals to convenience or impulse. B2B cross-selling has to demonstrate ROI—the additional product needs to solve a specific business problem the customer already recognizes, not just complement the primary purchase in theory.

B2B cross-selling often breaks down because of poor team alignment. Sales, marketing, and customer success need to share account intelligence so recommendations are triggered by real usage signals—a customer hitting a usage limit, requesting a feature the add-on covers, or expanding their team—rather than pushed on a generic schedule.

What are the benefits and risks of cross-selling?

Cross-selling done well is one of the highest-ROI levers available to sales teams. But done poorly, it can actively damage customer relationships.

Cross-selling benefits

• Higher revenue per customer: Selling more per transaction increases customer lifetime value (CLV) without the cost of acquiring new customers

• Better customer experience: Relevant recommendations reduce friction by surfacing products customers need but might not have found on their own

• Stronger retention: Customers who find genuine value in additional products are more likely to return and less likely to churn

• Lower acquisition costs: Existing customers already trust your brand, so converting them costs less than marketing, outreach, and education required to win new ones

• Deeper brand loyalty: Consistently helpful suggestions reinforce the relationship over time, making customers more likely to engage with your brand long term.

Cross-selling risks

• Irrelevant recommendations erode trust: If a cross-sell doesn't clearly connect to what the customer already has or needs, it can feel like a sales push rather than a helpful suggestion.

• Aggressive timing backfires: Suggesting add-ons too early or too frequently can frustrate customers and increase churn

• Volume over relevance damages retention: Cross-selling too many products at once overwhelms customers and signals that revenue, not their success, is the priority.

Cross-selling benefits vs risks

How PandaDoc supports cross-selling with CPQ

To make your cross-selling efforts as effective as possible, the right tools can make a huge difference for your sales teams.

CPQ (configure, price, quote) software is one way you can make sure your pricing is fast and accurate, and your product recommendations are tailored to your customers.

With automated product suggestions and pricing adjustments, PandaDoc CPQ can help your sales teams to effortlessly manage their cross-selling. This helps show complementary products to customers at the right time so they recognize their value.

See how CPQ can help your team increase deal velocity.

“CPQ offers an opportunity to develop strategic pricing for your business that is now super easy to implement, reducing manual errors and giving time back to your reps to focus on revenue-generating activities.”

–Katie Drury, Head of Revenue Enablement at PandaDoc.

Start cross-selling with confidence

Cross-selling works when it's built on relevance: the right product, offered to the right customer, at the right moment. Done that way, it increases revenue, deepens customer relationships, and reduces the cost of growth by making more of the customers you already have.

The teams that do it best build it into the quoting process from the start, so complementary products surface naturally, pricing stays accurate, and nothing falls through between quote and close.

PandaDoc CPQ helps sales teams do exactly that. Request a demo or start a free 14-day trial.