Let’s learn how to show product vendors under the product.
You can show product vendors under product for better user experience. You need to take the following steps.
Go to your Shopify Admin Store > App > Searchly.
Click on Search & Collection Page.
Click on Content.
Now scroll down and you will see an option Display additional product field.
Now select Vendor from the dropdown.
Now click Save.

Please see this example for reference:
Collection & Search page without Vendor names under products.
Collection & Search page with Vendor names under products.