Professional servicesPoint of view
The hourly consulting model is ending. Here is what an AI-native engagement looks like instead.
Sam Westfall, September 16, 2026. First published on LinkedIn
Deloitte told its own consultants in May that the hourly consulting model is finished.
A partner in the US public sector practice put a chart on screen at an internal town hall showing hours-based consulting shrinking to a sliver of the professional services market by 2035, with AI agents taking the rest, and when the Wall Street Journal reviewed the recording one consultant in the room summed it up for them: "They heavily implied our model is toast."
The chart shows the end of the model, so it's worth saying what the model looked like from the client's side while it was still working.
A consultancy has to feed a very expensive person at $350 an hour billed by the man-day, which means the engagement is built to keep that person fed, so scope grows, the team grows, the second phase gets sold in month three, and by the end you've spent $500K on a deck about unlocking your potential.
Anyone two levels below the executive who signed will tell you the consultant was selling cover for a decision nobody wanted to own.
There is a version of the hourly model that earned its money, which is the specialist at $10K an hour who unblocks the system that's been strangling your operations for two years, and I've paid for that trade without complaint.
Generic advice was where the hour was always a trap, and now a model hands you the framework in thirty seconds, so if your strategy needs a $350-an-hour outsider to tell you what it is, the honest move is to change jobs.
Deloitte's own 2026 enterprise survey explains why the chart looks the way it does, since 84% of companies haven't redesigned a single job around AI and only 21% have a mature way to govern agents, while nearly three quarters plan to deploy them within two years.
Closing that gap is engineering work rather than advisory work, and engineering stopped billing by the hour the moment 98% of the code we ship stopped being handwritten.
So the question I'd put to any vendor claiming to be AI-native is how many people they've let go and why they're hiring more, because an integration for us is one senior engineer, agents across the delivery cycle, and a fractional architect, about 1.5 FTE where a five-person team used to sit, at $5-$15K a month with proof of value in month one.
Every engagement we run has fewer people on it now than when it started, because the harness takes more of the load as the use cases get done, and we've never grown faster.
McKinsey says a third of its fees are already tied to outcomes, Deloitte just told its people the other two thirds are heading the same way, and the firms still standing in 2035 will be the ones that were shipping while the rest were preparing slide decks.