Generally, eCommerce stores have their own niche or few niches. They can refer to similar products of their friends to their customers. For eg.– Support you have a veggies & fruits eCommerce store and your friend has a meat eCommerce store, then you can refer (give a backlink to) each other’s products to your customers on your websites. This is an eCommerce partnership link building.

NOTE: Yes, it is NOT just a link building, but an awesome marketing tactic.

You need to be ready to show products of your partner on your website with the backlinks. Referring to quality products or content is always beneficial in terms of SEO, customer satisfaction, and hence for your business growth. So, be confident about referring good stuff. We’ll take care of the rest of the things!