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Leading consulting firms in the U.S. in 2020, by prestige rating

When it comes to consulting services, size does not necessarily amount to prestige. In 2020, McKinsey & Company were rated by their peers as the most prestigious consulting firm in the United States with a 8.98 rating.

The Big Four

Of all the consultancy firms, the best known are the Big Four, accounting for almost 40 percent of the global market - Deloitte, PwC (Pricewaterhouse Coopers) , EY ( Ernst & Young) and KPMG. All four primarily provide financial consulting services such as taxation, audit, and risk advisory. Together they dominate the financial segment of the U.S. consultancy market.

The broader consulting market

While the global accounting firms may have the biggest, financial advisory services is only one segment of the global consulting services market. Management consulting services, broadly conceived of as including the operations, strategy, and human resources segments, constitute over half of the global market. The remainder of the market is comprised of various IT-related services.

Leading consulting firms in the United States in 2020, by prestige rating

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Release date

November 2020


United States

Survey time period


Special properties

consultants employed at reputable firms

Supplementary notes

The source does not specify a publication date. The date given is the date accessed.
The source does not specify the type of survey or number of respondents.
For prestige ratings, respondents were only allowed to rate competitors. Respondents were asked to rate firms based on prestige on a scale of one to ten, with ten being the most prestigious.

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Statistics on "Consulting services in the U.S."

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