This report discusses the importance of emotional intelligence in the workplace and its relationship with effective management communication and business advantage. It provides a case study of Tesco and evaluates the key models of emotional intelligence, including Goleman emotional competencies model, Bar-On Model of emotional-social intelligence, and Mayer, Salovey and Caruso's emotional intelligence performance model. The report recommends the use of Mayer, Salovey and Caruso's emotional intelligence performance model to enable better collaborations and connectedness between people and implement company values to high EQ behaviours among existing staff during and post Covid-19 pandemic.