Fractional and interim sales leadership solve the same problem — you need senior commercial leadership without hiring a full-time executive — but they fit different situations.

Fractional means an experienced leader working part-time on an ongoing basis, typically one to three days a week, embedded in your team for the long run.

Interim means a senior leader working full-time for a defined period, usually to lead a transition, an entry or a turnaround. Choose fractional when you need steady senior direction you cannot yet justify full-time; choose interim when you have a concentrated job to finish inside a fixed window.

If you have decided you need senior commercial leadership but a full-time hire is too big a risk, too expensive or too slow, you have two real options: fractional or interim.

They get confused constantly, and choosing the wrong one wastes months. Here is how I think about it after twenty years of doing both.

What each model actually is

Fractional is ongoing and part-time. An experienced commercial leader takes real ownership of your sales — strategy, process, pipeline, and often coaching your people — but does it in one to three days a week. It suits a company that needs senior direction continuously, not a project with an end date.

The value is continuity at a fraction of the cost of a full-time executive.

Interim is temporary and full-time (or close to it). A senior leader steps in for a defined period to lead something specific: a market entry, a turnaround, a gap between two permanent leaders, a build-up phase.

The value is concentrated ownership over a fixed window, with a clear handover at the end.

Both are senior. Both take real responsibility for results. The difference is intensity and duration, not seniority.

When fractional fits

Choose fractional when the need is ongoing but does not justify a full-time salary. Typical signs: your growth has plateaued and nobody owns the commercial whole; you have salespeople but no one leading them well; you are past founder-led selling but not yet at the scale of a full-time CCO.

You want a steady hand raising the level week after week, not a one-off intervention.

When interim fits

Choose interim when you have a concentrated job with a clear finish line. Entering a new market. Replacing a departed sales director without leaving the team rudderless. Fixing a commercial function that has drifted.

Building the first real sales operation before you hire permanently. The work is intense, time-boxed, and ends with a handover to a permanent team.

The honest trade-offs

Fractional gives you continuity and low cost, but less presence in any given week — it works only when the process is clear enough that a few focused days move the needle.

Interim gives you full presence and speed, at a higher monthly cost and for a limited time. Neither is "better." The wrong fit is expensive: buying interim for an ongoing need burns budget, and buying fractional for an urgent turnaround under-resources it.

A simple test: if you could describe the job as "get X done by date Y," you probably want interim. If the job is "keep raising our commercial level until we outgrow you," you want fractional.