The 21st century workplace is changing rapidly. Global competition for advanced knowledge and skills development coupled with societal changes are creating new demands in the workplace. In response, business practices and processes are rapidly evolving leading to changes in the places and times of work, increasing workloads, and greater workforce mobility. Furthermore, mobiles have penetrated the business world opening the door to new approaches for workforce development, across various contexts and career paths. This article examines mobiles for enriching work-based learning practices and supporting performance for those already employed in the business sector. The next section introduces the use of mobiles before progressing to a discussion on informal learning in the workplace. The latter sections focus on work-based mobile learning approaches with selected case studies, affordances and constraints, and recommendations for practice.