Big Three (management consultancies)

MBB, or alternatively the Big Three when used in relation to the consulting industry, refers to the three major strategic consulting companies. They are considered to be the most prestigious firms in the management consulting industry.:
These three firms have stood out from other competitors and have consolidated as the top-tier of management consulting business.
Fundamental differences against other consultancies include:
Fundamental differences among the three include:
These firms have had a significant impact in the development of modern-day business world and education, notably for the development of new intelligence, such as the Net Promoter Score and the BCG Matrix.