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Jun 25, 2025 09:45 PM
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Squarespace
product management
ecommerce integration
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Increase sales by adding complementary products on Squarespace; set up to four add-ons per main item, ensure relevance, and style them to match your site. Add-ons enhance customer experience and boost average order value without needing more traffic.
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How to Set Up Add-On Products in Squarespace
Learn how to increase your sales by offering add-on products on your Squarespace site.
Quick Summary
- Add complementary products to increase revenue from each sale
- You can add up to four add-on products per main item
- Add-ons work with physical items, digital downloads, or services
- Style them to match your site's existing design
- Add-on products must be visible and available to customers
What Are Add-On Products?
Add-on products are complementary items that appear on your main product pages. Think of them as the "would you like fries with that?" of online retail.
For instance, if you sell art prints, you might offer frames, mounts, or care instructions as add-ons. This gives customers everything they need in one purchase and increases your average order value.
The beauty of add-ons is they appear right on the product page, so customers don't need to hunt around your site for related items.
How to Set Up Add-On Products
Create Your Add-On Product First
Before you can offer something as an add-on, it needs to exist as a product in your store. Create it the same way you'd add any other product (you'll find the full process in Squarespace's product guide).
Add It to Your Main Product
- Open the product editor for your main item
- Look for the "Selling Tools" section
- Find "Product Add-Ons" and click "Add"
- Select which products you want to offer as add-ons
- Save your changes
That's it. Your add-ons will now appear on the product page.
Keep It Relevant
Only suggest add-ons that genuinely make sense with your main product. Random suggestions confuse customers and can put them off buying altogether.
Styling Your Add-Ons
The good news is that Squarespace handles most of the styling automatically. Your add-on product names and descriptions will match your existing product description styling. The add-to-cart buttons will look the same as your other cart buttons.
If you want to customise things further, you can adjust these through your store's general styling options.
Managing Add-Ons Later
Need to change or remove an add-on? Here's how:
- Go back to your main product editor
- Open the "Selling Tools" section
- Click "Edit" next to "Product Add-Ons"
- Add new ones or remove existing ones
- Save your changes
Common Questions
Do I need a special Squarespace plan for add-ons?
You need access to Commerce features, which come with Business plans and above.
Can I sell digital products as add-ons?
Yes. Add-ons can be physical products, digital downloads, or services.
How many add-ons can I offer per product?
Up to four per main product.
Will add-ons match my site's design?
Yes, they automatically follow your existing product and button styling.
Key Terms
Add-On Products: Extra items offered alongside your main product on the same page.
Commerce Features: Squarespace's selling tools, including product management and checkout systems.
Why This Matters
Add-on products are one of the simplest ways to increase your revenue without getting more traffic. You're making more from the customers you already have by offering them relevant extras they actually want.
Set them up thoughtfully, and you'll see your average order values climb while giving customers a better shopping experience.