Storefront is a default eCommerce theme for WooCommerce, built by WooThemes. It is completely translation-ready and WPML helps you to translate all your store's pages, categories and tags, as well as the texts coming from the theme. To translate WooCommerce elements like Products, and Product Categories use the WooCommerce Multilingual add-on.
Here you will find WPML contractors who can help you build multilingual sites based on storefront and WPML. Use the search to find contractors who are right for your project and send them a message to get started.