AI is forcing McKinsey, BCG, Bain to rethink consulting fees

Every concern yet has to reckon with the instrumentality that makes its ain enactment cheaper to do.

For Wall Street, that instrumentality was the spreadsheet. For Madison Avenue, it was the internet. For the world's astir costly consulting firms, the instrumentality is artificial intelligence, and the reckoning is already underway.

For 3 decades, the concern exemplary astatine McKinsey & Company, Boston Consulting Group, and Bain & Company has rested connected a deceptively elemental premise.

Clients wage top-tier consultants by the hr oregon by a fixed task interest that maps to a team's expected clip connected the case. Junior consultants bash the research, physique the slides, and crunch the data.

Partners merchantability the story. Bills tally into the millions, often without an explicit committedness that the strategy volition really work.

That exemplary is present bending nether the aforesaid exertion these firms person been hired to rotation retired for everyone else. AI tools are compressing the hours it takes to bash the underlying analytical work, and the Big Three are softly rewriting however they complaint for it.

How AI is rewriting the McKinsey interest model

Speaking to reporters astatine a London media lawsuit successful November 2025, McKinsey's UK managing spouse Michael Birshan said, "We're doing much performance-based arrangements with our clients," according to Business Insider.

About 1 4th of McKinsey's planetary fees present travel from this benignant of outcome-based pricing, the consultancy disclosed astatine the aforesaid briefing.

The displacement is not subtle. Rather than asking what a defined scope volition cost, clients present get with the result they privation and inquire McKinsey to terms its enactment against really delivering it.

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"This is simply a infinitesimal wherever galore of the fundamentals of the nonrecreational services exemplary are coming nether challenge," McKinsey's planetary person of exertion and AI Kate Smaje said successful the aforesaid briefing, per Business Insider.

What struck maine erstwhile I looked astatine McKinsey's ain framing is however overmuch of the pivot is being driven internally, not by lawsuit pushback.

The firm's endeavor AI adjunct Lilli present runs much than 500,000 prompts a period wrong McKinsey itself, with consultants reporting up to 30% clip savings connected cognition work, according to Hunt Scanlon Media.

When your AI is doing astir a 3rd of the thinking, the billable hr starts to look little similar a measurement of worth and much similar a taxation connected inefficiency.

Related: Big Four steadfast cuts 100s of jobs arsenic consulting request slows

Why the billable hr softly broke astatine Bain and BCG

Bain and BCG are walking the aforesaid road, conscionable from antithetic angles.