YITH WooCommerce Dynamic Pricing and Discounts allows you to create any sort of discount or special offer for your shop.
This integration allows creating custom discount rules for all the products associated with a specific brand and offering advantageous benefits to the users willing to purchase them.
Just make sure you have installed and activated the premium version of both plugins.
Then, whenever you create a price rule, you will be able to restrict it to products of one or more brands, whether it is a Price rule…
… or a Cart discount rule:
For further details about YITH Dynamic Pricing and Discounts settings, please refer to the official documentation.