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Deloitte Warns Consultants: AI Will Disrupt Billable Hours by 2035

Mon Jun 29 2026Published by AI Breaking Editorial Desk3 min read

Deloitte's internal presentation reveals a looming shift in consulting revenue models, predicting a decline in billable hours due to AI integration. As competitors like McKinsey adapt, the industry faces a transformative challenge.


What Happened

Deloitte has issued a stark warning to its consulting workforce, revealing that the traditional hourly billing model is on track to diminish significantly by 2035. During an internal presentation, the firm highlighted that AI agents are poised to take over many functions currently performed by human consultants, fundamentally reshaping how consulting services are priced and delivered. The sentiment among Deloitte's consultants was captured by one who succinctly stated, "Our model is toast," reflecting the unease surrounding the future viability of billable hours in an increasingly automated landscape.

Key Details

The presentation outlined projections indicating that billable hours could account for only a minor fraction of consulting revenue by 2035. As AI technologies advance, they are expected to streamline operations, enhance analytics, and optimize client interactions, all of which could lead to a more efficient service delivery model. Competitors within the consulting sphere, including McKinsey & Company and Boston Consulting Group (BCG), are already exploring alternative revenue models to adapt to this impending transformation. These firms recognize the necessity of shifting away from traditional practices to remain competitive as AI capabilities evolve.

Why This Matters

The implications of this shift are profound for the consulting industry. If Deloitte's forecasts hold true, it could lead to a significant overhaul of the business structure, driving firms to rethink pricing strategies and service delivery. For clients, this could mean more value-driven engagements where costs are tied to outcomes rather than hours worked. As AI assumes more responsibilities, the role of consultants could evolve from executing tasks to focusing on strategic oversight and decision-making, fundamentally altering the skill sets required in the profession. Additionally, this shift may prompt a re-evaluation of talent acquisition and training, as firms seek professionals adept in AI technologies and data analysis rather than traditional consulting methodologies.

What's Next

Looking ahead, consulting firms must proactively adapt to these changes to stay relevant. This will likely involve significant investments in AI technology and training programs that equip consultants to work alongside these tools effectively. As Deloitte and its competitors navigate this transition, we can expect to see innovative service offerings emerge that leverage AI for better client outcomes. Furthermore, regulatory considerations around AI deployment in consulting will become increasingly important, as firms must ensure compliance while maximizing the efficiency and effectiveness of their services. The future landscape of consulting will not only redefine how firms operate but could also set new standards for client engagement across industries.

This article is part of AI Breaking News coverage of artificial intelligence, startups, and emerging technologies.

This article summarizes reporting originally published by The Decoder AI.

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