Merger & Acquisition Consulting Services: Market Size & Forecast 2026

The global Merger and Acquisition (M&A) consulting services market reached approximately USD 45.0 billion in 2025 (base year), growing at a 6.5% CAGR through 2032 to reach roughly USD 69.8 billion. Demand is structurally supported by elevated global M&A volumes, our analysis-tracked deal value exceeded USD 3.0 trillion in 2025, a 31% year-on-year increase, but the category faces margin compression from associate-grade time inflation and client pressure to demonstrate ROI per engagement hour. The Buyer Power Score is -0.5, broadly balanced but leaning slightly supplier-favoring at the top tier where relationship switching costs and deal-specific expertise create stickiness. > **Analyst Take.** The call is not to drive fees down indiscriminately but to force transparency on how hours are spent. Most buyers pay for partner oversight they never receive; the right sequence is to require granu

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