Have McKinsey and its consulting rivals got too big?

The consulting revenues of the industry’s most important firms—including the triumvirate of strategy advisers (Bain, BCG and McKinsey), the “big four” accounting giants (Deloitte, EY, KPMG and PwC) and Accenture (also the world’s largest outsourcer)—grew by 20% in 2021 and then 13% in 2022.
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