CIM welcomes BCG (The Boston Consulting Group) to speak to our students about how to build a successful career in business consultancy. The Boston Consulting Group (BCG) is an American worldwide management consulting firm with 85 offices in 48 countries. The firm advises clients in the private, public, and not-for-profit sectors around the world, including more than two-thirds of the Fortune 500 and is one of the ‘Big Three’ strategy consulting firms.