Within the framework of single-brand agreements in the European Union, there is a contractual provision known as the “English clause.” This clause allows a customer, such as a retailer, to purchase a product from other suppliers on more favorable terms, unless the exclusive supplier offers the same terms. While this clause grants the customer greater freedom of choice, it aims to promote transparency among competing suppliers and prevent unfair competition, particularly when the customer is required to disclose the names of other suppliers to their exclusive supplier. To assess their compliance with European legislation, “English clauses” must be analyzed on a case-by-case basis, taking into account the specific circumstances.