1
Serves EU
$1,750 per month
Fractional CAIOs under $20,000 a month
3 firms and practitioners publish a fractional CAIO fee under $20,000 a month. A published floor is the cheapest way in, read from each listing's own site; the role page carries the ones that quote instead. First on the list are First AI Movers, Leadership Services and Valerian Valkin, Fractional Chief AI Officer.
Most fractional CAIOs publish nothing; the few published retainers run about $1,750 to $12,000 a month, and fixed-fee AI audits of two to four weeks run roughly $3,000 to $10,000.
2
70+ peopleServes UK
$2,280 per month, no minimum
3
4 named clients 1 person
$6,500 per month, 3 month minimum
How this list is built. Every firm and practitioner here offers fractional CAIO work on its own site and publishes a monthly floor under $20,000. Order is editor's pick, then a published fee, then name. Nobody pays to appear or to move up. Full methodology.