The progress of the world today makes people busy managing work, household, schooling and social activities. These commitments and daily activities cause some people to forget that their emotions, behavior and thoughts might be at a dangerous level. The awareness of one’s own emotions is so lacking in attention that emotional stress, chronic diseases and the occurrence of arguments with people occur. For those who are aware of their situation, they will start looking for help and psychological support so that to achieve a state of well-being. Therefore, this study aims to examine the interrelationship among emotional intelligence, happiness, and psychological well-being in counseling clients at a non-statutory body in Malaysia. A sample of 284 clients participated by completing a questionnaire. The data obtained were analyzed using SmartPLS software to evaluate the content and test the research hypotheses. The analysis yielded several significant findings: Firstly, emotional intelligence is positively and significantly related to happiness. Secondly, happiness is positively and significantly related to psychological well-being. Thirdly, there is a positive and significant relationship among emotional intelligence, happiness, and psychological well-being. These results emphasize the crucial role of happiness as a mediating variable in the relationship between emotional intelligence and psychological well-being. Furthermore, this study provides valuable insights for organizational practitioners, elucidating the importance of emotional intelligence and happiness in enhancing psychological well-being. This study also provides new insights into managing clients’ abilities to control their emotions and develop happiness to achieve a prosperous life despite facing complex challenges.