The development of digital technologies is changing the way we live, work and communicate, increasing awareness of the importance of digital transformation across various industries. In addition to encompassing changes in the technical aspect, digital transformation also influences a shift in mindset within companies, aiming to enhance the engagement of its employees and customers. Digital transformation is also being implemented in retail businesses and depends on the type of customer approach and the type of products the company deals with. In this thesis, focus is on the digital transformation of wholesale in the pet supplies sector. The aim of this thesis is to illustrate the implementation of digital transformation in wholesale pet supplies and analyze operational efficiency optimization using a specific example of a specialized distributor. The methodology used includes the analysis of secondary dana such as scientific and professional literature and websites, as well as the analysis of primary data collected through an intervju with the owner of a company specialized in the distribution of pet supplies. The study demonstrated that digital transformation brings numerous advantages, but also challenges that shape business operations, making it essential to carefully plan and manage this process in order to maximize benefits and minimize challenges. Although the obstacles in the digital transformation of wholesale are significant, they can be successfully overcome. Wholesalers who adopt appropriate strategies and learn from successful practices can maintain thei competitive advantage and successfully progress in the digital age.