In today’s business world, digitalisation of business is an indispensable concept. If companies want to survive and thrive, it is essential to start working on the digital transformation of the business. As digital transformation involves fundamental changes in the organisation and way of doing business using digital technologies, the aim of this work is to explore the changes in the traditional way HEP – Proizvodnja d.o.o. operates and the actual success of the existing digital transformation based on the views and attitudes of employees of the company as well as defining the key success factors for the digital transformation of the business and the future steps of the further digital transformation of the company’s business. Achieving the set objectives of the work involves exploring secondary data and collecting primary data. Secondary data will be collected through research and analysis of both domestic and foreign scientific and professional literature, while primary data will be collected by conducting an online survey of employees of HEP – Proizvodnja d.o.o.. The purpose of the survey is to explore the views and opinions of employees on the uptake and effectiveness of the digital transformation of a business in their company. The survey contains 30 questions divided into six parts. The results of the survey show that HEP – Proizvodnja d.o.o. is successfully implementing the digital transformation processes of certain business segments. Although the results of the survey showed that the comprehensive digital transformation process was rated as D on average (4), several recommendations were defined for a better future implementation of the digital transformation of the business that the company should take into account. Looking at the performance of the overall digital transformation of the company’s business, the savings achieved in millions of amounts and the employee’s response to it, it can certainly be concluded that if all of the above recommendations are accepted, HEP – Proizvodnja d.o.o. doesn't have to fear the implementation of further transformation steps.