The sales version of this choice is sharper than most, because sales teams react badly to absent leadership. Reps without a manager drift within weeks. That pushes some companies toward an interim when a fractional would serve them better, and the reverse.
The interim CRO
An interim CRO works full-time, typically three to six months, and is hired when a sales leader leaves mid-year and the quarter is at risk. The interim runs the forecast call, coaches reps on live deals, keeps key accounts from wobbling and holds the team together while the company recruits. Interims also appear during a sales turnaround, when a large team is badly behind plan and needs daily direction.
Interim sales leaders are priced as full-time executives: roughly $20,000 to $35,000 a month, frequently through executive staffing or sales recruiting firms that also run the permanent search.
The fractional CRO
A fractional CRO works 10 to 20 hours a week with no planned end. The work is building: defined pipeline stages, a CRM the team trusts, a commission plan that pays for the right behavior, a hiring profile, a forecast that holds. That work suits a company where the founder still sells, the team is small and the system does not exist yet. Published retainers start around $6,000 to $7,000 a month and run to $20,000 or more, with engagements of 6 to 18 months typical.
Choosing between them
Ask how many reps need a manager this week. With six or more reps and nobody leading them, an interim protects the quarter. With zero to four reps and a founder who still closes, a fractional builds the system the team will run on. Over six months, an interim at $25,000 a month costs $150,000; a fractional at $10,000 costs $60,000.
The private equity case
Revenue growth and margin are the two levers PE funds rely on most in a value creation plan. In the first 100 days, a fund often wants pricing reviewed, the pipeline cleaned up and a sales capacity plan tied to the investment case. If the acquired company’s sales leader is weak or leaves, an interim CRO may run the team while the fund recruits. In smaller portfolio companies, a fractional CRO often runs sales for the hold period, sometimes shared across several companies in the same fund.
The exit case
Buyers examine revenue harder than any other function. They look at pipeline quality, forecast accuracy over several quarters, win rates, sales cycle length, customer concentration and, in recurring revenue businesses, net revenue retention. None of those can be fixed in the six months of a sale process. A fractional CRO brought in 18 to 24 months before a sale has time to build a forecast record, reduce dependence on the founder’s relationships and show a sales team that produces without the owner. An interim during the sale can protect the current quarter, which matters too, since a missed quarter during diligence can cut the price.
A practical hybrid
When a VP of Sales leaves a small team, some companies hire a fractional CRO at higher hours for the first quarter, then step down as a new manager is hired under them. It costs less than a full interim and leaves the system in place. If you expect that pattern, agree the step-down in the original contract.