The topic of the thesis was found during the professional work placement at the customer interface of the client company. The client company had a need to provide a description of the process of new customer relationship management. The company also had a need to invest in new customer relationships. The aim is to improve the quality of customer care and business competitiveness in the ever-increasing competitive environment as a contract manufacturer of electronics. The new customer relationship management is challenging and requires flexibility in many issues before the customership becomes suitable for various control and management systems. Customer Relationship Management can be used to increase customer value and achieve a valuable competitive advantage. The aim of the thesis is to instruct a new client management process, standardise the client interface and working practices, as well as improve the quality of new customer relationship management processes. The purpose of this study was to use a more holistic approach in customer relationship management for developing customer value and gaining competitive advantage. This study is based on theoretical information, corporate internal guidelines, the client company's key personnel interviews, and practical experience-based information. Data collection was conducted by using the qualitative data collection method, ie a survey. The main purpose of this thesis is to highlight new customer relationship management weaknesses, strengths, threats and opportunities. The purpose is to instruct the management process and include the instructions in everyday activities, as well as to seek continuous improvement of customer care. The study of the process resulted in the following: transparency and clarity, more systematic assessment of resource needs, clarifying the division of labour, the introduction of new routines as well as internal assessments, development of operational efficiency. The aim is to continuously strive to improve the quality and economic profitability customer relationship management process.