The "Skin in the Game" Idea Has a Hidden Assumption Nobody's Checking

Start with the part of this that isn't controversial. The pressure on brands to show results in hard dollar terms is real and rising, not softening. This series has already documented the mechanism: agency pitches have become commoditized enough that price and cost efficiency now decide most reviews once every other criterion equalizes, average CMO tenure has fallen to around 40 months, and procurement holds more decision-making power over agency and vendor selection than marketing teams do. In that environment, a partner who can point to a dollar figure and say "this is what we generated" has an obvious, structural advantage over one who can only say "this is what we optimized toward." If results in dollars are what wins budget, the natural next move looks obvious: every martech and adtech partner should be racing to price that way.

The assumption that quietly breaks the logic

Here's what "just have partners put skin in the game" glosses over: it presumes every partner's contribution to a sale can be isolated cleanly enough to price a fee against it, without either the vendor getting fleeced or the client getting oversold. That assumption holds for some parts of the martech stack and fails for most of it, and that difference explains far more than a simple appetite gap for accountability.

A mobile ad tech executive covering exactly this tension put it precisely in a piece examining why his own category still struggles here: "Most agency teams can confirm what a campaign delivered. Far fewer can explain how." Confirming an outcome, a click fired, a conversion event logged, is something most of the stack can already do. Explaining that the outcome was actually caused by this specific partner's work, rather than by the product, the price, the sales team, another channel running at the same time, or a competitor's move that week, requires a causal claim almost nothing in martech is built to prove on a standard campaign. Pricing yourself against a number you can confirm but can't causally defend isn't bold. It's either underpriced, if the vendor absorbs risk from factors outside its control, or quietly padded to cover that risk, which defeats the entire point of pricing on outcomes in the first place.

Where "skin in the game" already exists, and why it's rare everywhere else

This is why outcome-based pricing isn't evenly distributed across the industry, and the pattern is informative. Research on B2B lead generation this year found that pay-for-performance pricing, charging per qualified meeting booked, remains genuinely rare, roughly one in ten agencies, and it survives specifically in categories where the outcome is narrow, immediate and unambiguous: a meeting either got booked or it didn't. Retail media and other closed-loop commerce environments carry a similar structural advantage, the purchase happens on the same platform running the ad, so the causal chain is short enough to defend. Skin-in-the-game pricing shows up naturally in those places, not because those vendors are braver, but because their slice of the funnel is small and clean enough to actually own.

Everywhere else in the stack, the industry's own biggest, most resourced experiment shows how hard this actually is. WPP made outcome-based pricing the stated centerpiece of its turnaround strategy, telling investors and clients directly it would move away from billing hours toward billing results. Eighteen months later, by its own CEO's account, exactly one client pays that way. That's not a lack of ambition or a lack of resources. It's the clearest evidence available that most of what a media stack sells, reach, attention, optimization toward a conversion goal, genuinely cannot be isolated into a defensible outcome claim, no matter how much commercial pressure exists to make it one.

The clean-outcome vendors are already going around the agency

This is already happening, not as a future risk but as a current pattern. The Trade Desk's own founder and CEO has publicly described wanting "closer alignment with brands and agencies" through a framework aimed, in his own words, at reshaping how adtech and martech vendors relate to brands directly, language industry observers have read as a step toward disintermediating the agency layer sitting between the vendor and the client. Ad tech commentator Jay Friedman raised a closely related tension this year, pointing at an industry "famous for being opaque, having hidden fees," where clients keep undercutting on pricing anyway. Whatever the specifics of either post, both are pointing at the same direction of travel: in the narrow slice of the stack where a vendor can genuinely and cleanly claim credit for a dollar outcome, that vendor has a real incentive to go straight to the brand and skip the intermediary, because the clean outcome claim is precisely what makes the direct relationship defensible.

That's the honest shape of what happens to the agency. Martech partners delivering real results don't replace the agency across the board. They replace it specifically in the parts of the job where the outcome is clean enough to price and claim directly, retail media, closed-loop lead generation, anything with a short, unambiguous causal chain. The agency isn't being squeezed out of media generally. It's being squeezed out of exactly the parts of media that have become easy enough to measure that a vendor no longer needs a middle layer to sell them.

What that leaves the agency to actually do

The defensible version of the agency's remaining role is the connective judgment across everything that isn't cleanly isolable: deciding which channels should carry which job, reconciling several vendors' honestly narrow outcome claims into one coherent strategy, catching the AI-generated workslop and brand-safety risk no single vendor's dashboard is built to flag, and making the calls no platform can make about creative risk, category timing or competitive response. That's genuinely valuable work, and it's exactly the work worth pricing narrowly and specifically rather than promising broadly. But it only stays defensible if agencies stop doing the thing that got them into this position in the first place: claiming, in the pitch, to guarantee the whole business result on a CPM rate card, the same overreach that makes a client wonder why they're paying an intermediary at all once a vendor shows up offering a cleaner, narrower, honestly priced version of just the part it actually controls.

Where this leaves the agency, in the end, is exactly where its actual, provable value sits, and nowhere it's been quietly claiming credit it can't back up. Vendors that can isolate a real outcome are already using that clarity to get closer to the client. The agencies that survive that shift won't be the ones matching the vendor's confidence. They'll be the ones honest enough to say which parts of the job they can price like a vendor, and which parts only a human sitting across every vendor's narrow, honest claim can actually do.