Research helps to identify the positive as well as negative impact upon firm, the chosen firm is TESCO which is leading retail firm in UK and now using advance technology, company can increase its efficiency. Rationale and Research Question Aim: “To determine the impact of digitalization upon business activity: A case study of TESCO” Objectives: • To understand the concept of digitalization • To identify the positive key aspect of digitalization upon TESCO • To determine the challenges faced by TESCO while implementing digitalization.