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The consulting model that built the Big Four's offshore staffing base runs on a specific arbitrage: high-volume knowledge work routed to lower-cost talent pools. Automation is compressing that spread.
PwC is restructuring around that reality, combining its US and Indian units into a 40,000-person joint venture that consolidates outsourcing and advisory operations.
Where the AI threat hits the delivery model The economics of offshore consulting rest on a ratio: billable hours per engagement distributed across a talent pool where labor costs run below the client-facing rate.
That ratio holds as long as the underlying tasks require human time at volume.
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