McKinsey, Bain & Company, and the Boston Consulting Group (BCG), are known as the ‘Big Three’ of the consulting industry and are the largest and most well-established strategy consulting firms globally. The following article aims to provide a comparison between all three firms, explaining what differentiates each one in terms of the industries they work and specialize in, the kind of projects they have taken on in the past, and the notable alumni from these firms, to give you a better understanding of what sets them apart.