BIG 3 - The Big Three or MBB - management consultancies - Simplified and Explained.

 Introduction

The three management consulting firms widely regarded as constituting the Big Three or MBB are McKinsey & Company, Bain & Company, and Boston Consulting Group. These three firms are among the world's most prominent strategy consulting firms by revenue.

The big three

McKinsey & Company

This firm was founded in Chicago by James O. McKinsey in 1926. Present in more than 65+ countries.

Know more👉

Boston Consulting Group

BCG was founded in 1963 by Bruce D. Henderson and is Present in more than 50+ countries.

Know more👉

Bain & Company

Bain was founded by Bill Bain in 1973 after leaving BCG. Present in more than 40+ countries.

Know more👉

Revenue

Firm	Revenue (year)
BCG	$11 B (2021
Mckinsey	$10.6 B (2021)
Bain and company	$5.8 B (2021)