Abstract
As globalization continues to reshape the business landscape, the use of Business process outsourcing services and activities is gaining significant popularity among businesses. The exact services and activities that benefits and create a sustainable competitive advantage to organizations remain underexplored and few studies have been conducted in the Southern Africa developing countries including South African mobile operators. The main purpose of this study was to redress the existing knowledge gap by ascertaining the actual services and activities that the mobile telecom operators are outsourcing for sustainable competitive advantage. A structured closed-ended questionnaire was used to collect raw data from 210 employees. Overall, the results indicate that some of the key services and activities outsourced for sustainable competitive advantage included building and managing network infrastructure, network roll-out and management, manufacturing of mobile network equipment, monitoring the mobile network on capacity overload and breakdowns and assembly operations, maintenance of the base stations of mobile network, manufacturing of hard software components and resolving software problems and fleet management. The practical implications of the findings, assist organizational management in making informed and structured decisions through the identification of critical activities and services that contribute to the attainment of a sustainable competitive advantage and performance improvement of the mobile telecom operators.