You've heard the pitch: "hire a fractional CFO, save 70%." Nobody tells you what that actually costs in dollars, or how the number moves depending on whether you want a CFO, a CMO, a CTO, or a COO.
So here's the real number, pulled from the rate cards and pricing surveys the fractional-executive industry itself publishes — plus what the full-time version of each role costs, so you can do the math on your own business instead of trusting a sales page.
One honest caveat before the numbers: almost every source below is an advisory or placement firm that sells fractional services. There is no neutral, Gartner-style compensation survey for fractional executives yet. Toptal's live marketplace listings are the closest thing to a platform-verified number. Treat these as "what the industry itself reports charging," not an independently audited average — and lean on the ranges, not any single figure, as your signal.
Fractional CFO: the most consistent number in this whole category
Six independent advisory firms cluster around the same range: $3,000–$12,000/month retainer, with $5,000–$8,000/month as the repeated "typical" midpoint. Hourly, that's roughly $175–$450/hr, scaling with seniority (junior $175–250/hr, senior $350–450/hr).
Tiered by hours committed: a light 8–12 hrs/month engagement runs $2,000–$4,500; a standard 15–20 hrs/month runs $4,500–$8,000; a premium 25–30 hrs/month runs $8,000–$14,500.
Compare that to a full-time CFO, who averages $312,672/year in total comp (range $234,504–$437,741). A standard fractional retainer annualizes to roughly $54,000–$96,000/year — meaning most businesses are paying 15-25% of full-time cost for CFO-level financial leadership.
Fractional CMO: priced by hours in the seat, not just expertise
“You've heard the pitch: "hire a fractional CFO, save 70%." Nobody tells you what that actually costs in dollars, or how the number moves depending on whether you want a CFO, a CMO, a CTO, or a COO.”
CMO retainers run higher than CFO retainers — $8,000–$22,000/month, midpoint around $12,000–$15,000 — because marketing work requires more hands-on weekly hours than CFO advisory work. Pricing scales directly with days committed: 2–4 days/month runs $6,000–$10,000; 6–10 days/month runs $12,000–$18,000; 10–15 days/month runs $18,000–$30,000. Hourly rates for senior fractional CMOs land at $200–$450/hr, or $1,500–$3,500 as a day rate.
Full-time CMO comp averages $373,722/year (or $225,908 base, per Built In) — so even a mid-tier fractional CMO retainer lands well under half the full-time cost.
Fractional CTO: the widest spread, driven by geography
CTO rates split hardest by market: Tier 1 metros (SF, NYC, Seattle, Boston) run $275–$350/hr; Tier 2 cities (Austin, Denver, Chicago, LA) run $200–$275/hr; smaller markets or fully remote engagements run $150–$200/hr, with marketplace listings starting as low as $60/hr for no-retainer arrangements. Monthly retainers span an enormous range depending on scope — $5,000–$15,000/month for part-time technical leadership, up to $10,000–$30,000/month for heavier engagements, and $5,000–$50,000+ for project/flat-fee builds.
Full-time CTO comp averages $331,142/year (range $251,838–$443,758).
Fractional COO: the most stage-dependent role
COO retainers run $5,000–$18,000/month across five sources, with early-stage companies (roughly 1 hour/day of COO time) at the low end, $5,000–$7,000/month. The broader market range stretches to $25,000+/month for high-intensity engagements.
Full-time COO comp averages $466,652/year — one of the largest fractional-vs-full-time gaps in this list.
12hr
Median weekly time saved with the C-Suite Team
Fractional CRO and CEO: the premium tier
CRO (revenue) retainers run $9,000–$25,000/month, with full-time CRO base comp comparable at $200,000–$260,000/year — a smaller relative gap than the other roles, reflecting how directly revenue leadership ties to comp expectations even in a fractional arrangement.
General fractional CEO/executive engagements run $7,500–$25,000/month ($90,000–$300,000/year), scaling by intensity: light (1–2 days/week) runs $6,000–$10,000/month, standard (2–3 days/week) runs $10,000–$16,000/month, high-intensity (3+ days/week) runs $16,000–$22,000/month. Full-time CEO comp averages $815,082/year.
The pattern across every role
Fractional retainers consistently land in the 60-85% cheaper range than full-time comp when you annualize them — though be skeptical of any vendor claiming a precise "70% savings" figure without showing the math; none of the sources in this research disclosed their calculation. The defensible comparison is the raw numbers above: run your own hours-needed math against your own full-time comp benchmarks, not someone else's headline percentage.
If you're a solo operator or small team trying to figure out whether fractional leadership makes sense before you're ready for (or can afford) a full-time hire, the math above is the actual starting point — not a sales page telling you what you want to hear.
For a deeper breakdown of the broader solopreneur rate landscape — what real freelancers, consultants, and coaches charge across dozens of niches — see the companion data table: What Solo Consultants Actually Charge.
MentorMe helps solopreneurs and small teams figure out exactly when to bring in fractional help, what to pay for it, and how to structure the engagement so it actually works. Start at mentorme.com.
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