Measuring the Value of Management Consulting: A Framework for Financial Attribution and Benefits Realization

Abstract

Organizations spend substantial sums on management consulting, yet few can state with confidence what those engagements returned. The common practice of comparing a consultant’s fee with a headline improvement figure conflates several distinct quantities: the price of advice, the far larger cost of acting on it, the benefits that actually materialize, and the many forces other than the engagement that move the same performance indicators. This paper proposes a four-component framework that separates advisory fees, implementation costs, realized benefits, and alternative explanations, and links them through an explicit attribution sequence. The framework specifies (a) a full-cost taxonomy that captures internal and opportunity costs, (b) a benefits register that distinguishes forecast, enabled, and realized value, (c) a structured test for rival explanations such as market tailwinds, concurrent initiatives, regression to the mean, and measurement artifacts, and (d) a confidence-graded attribution calculation that yields separate returns for the change program as a whole and for the consulting contribution within it. A worked illustration shows how a gross improvement that appears to justify a fee many times over can shrink considerably once costs and rival explanations are accounted for, while still demonstrating positive value. The paper closes with governance recommendations for clients, consultants, and procurement functions, and with an agenda for empirical research.