Low base, real commission: why I take skin in the game
After "what does a fractional CMO actually do," the second question on almost every first call is about money: what does a fractional CMO cost. Fair question, and most people asking it expect one of two familiar answers — a flat monthly retainer, or an hourly rate with a cap. This seat runs on neither. It's a low base plus commission on what the work actually produces, and the structure matters more than the number, because it changes who's on the hook when the results don't show up.
Why a flat retainer is the easier sell and the worse deal
A flat retainer is simple to price and simple to budget around, which is exactly why most vendors default to it. It's also structurally indifferent to outcome. The invoice is the same size whether pipeline moved or didn't, whether the campaign worked or quietly underperformed for two quarters before anyone said so out loud. Nobody on a retainer is incentivized to walk into your office and recommend cutting a line item they're currently billing for. That's not a character flaw in any individual vendor — it's what the incentive is built to produce.
A low base keeps the lights on for the unglamorous weeks — the data cleanup, the vendor audits, the systems work that doesn't show up on a dashboard but has to happen before anything else can. The commission is where the real fractional CMO cost lives, and it only shows up when the work produces something worth paying for. That's the trade: lower fixed cost, higher variable cost tied directly to results.
It's also worth comparing this to the alternative most owners actually weigh it against, which usually isn't another vendor — it's a full-time hire. A full-time CMO comes with a six-figure salary, benefits, and a payroll line that doesn't flex when a quarter is slow, whether or not the hire is a fit for a business this size. Fractional solves the fit problem by design: the seat scales down to a base that a growing owner-led company can actually carry, and scales up only when the commission side earns it. You're not underwriting a full-time executive's downside risk. You're sharing the upside with someone whose pay depends on creating it.
Skin in the game, not a discount
It's worth being precise about what commission is and isn't here, because the two get confused constantly. A discount is what a service offers when it can't fully justify its price on its own — a lever to make the number easier to say yes to. Commission is the opposite signal. Tying the majority of the compensation to what the work actually produces means the seat only gets paid well when the business does, and that alignment is the entire point, not a marketing line wrapped around a lower rate.
It also changes what advice you get. If a vendor is billing flat regardless of outcome, telling you to kill an underperforming channel costs them revenue with no offsetting upside. If the seat is compensated on results, the same recommendation costs nothing to make — the incentive already points at whatever moves the number, including cutting things that don't. That's the practical difference between a vendor relationship and an executive one: one gets paid for effort, the other gets paid for outcome.
What that structure actually produced
The clearest evidence is still the most recent engagement — a Cape Cod home builder, second-generation builders, third-generation on the Cape, that closed $3M inside a 60-day window after this structure went in. A $1.1M single home sat inside that total, not stacked on top of it. $1.5M+ in pipeline was sourced through a land-buyer outreach engine built for the company, and a cohesive data system underneath all of it stopped the misspelled leads and manual double-entry that had been quietly costing pipeline for years. Kyle built and ran that system; the builder closed every one of those sales — the seat makes the right conversations happen reliably, it doesn't broker the house.
None of that happens on a channel-by-channel invoice. It happens when one person owns the sequence and is compensated on whether the sequence works, which is a different question than whether the deliverable shipped on time.
The same logic, applied to the other empty seat
This isn't a novelty specific to marketing. Most owner-led companies that would never sign off on a number without knowing what it costs to earn have also never gotten around to hiring a fractional CFO to own the other side of the ledger — what a customer actually costs to acquire, what one is worth, which line item quietly loses money. Same shortage, same fix: rent the function on a structure that rewards the outcome instead of the hours logged, rather than leaving the seat empty and hoping the gap closes itself.
What this means for the actual number
So back to the original question — what does a fractional CMO cost. The honest answer is: less than you'd expect up front, and more than a flat retainer if the work actually produces, because the commission scales with results instead of capping out at a fixed monthly fee. That's a feature of the structure, not a hidden cost. It means the price you pay is tethered to the value you got, in either direction, instead of being a fixed number you owe regardless of what happened. If a vendor's price doesn't move with the outcome, ask what that tells you about who's carrying the risk.
See how the seat is structured and whether it fits your business →
— Kyle Tysvaer, Founder, Insightful Eye Marketing