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PART-TIME CMO · 2026

Part-time CMO.
What it is and whether you need one.

By Lewis Waldron · Co-Founder, Underdog Ghostwriting · Updated April 2026

Part-time CMO and fractional CMO describe the same arrangement under different labels. The evaluation criteria are identical. Here is what to focus on.

Quick Answer

A part-time CMO is a senior marketing executive who works for a company for a defined number of days per week or hours per month, owning the marketing function for that time. The term is used interchangeably with fractional CMO. The key difference in framing is emphasis: part-time highlights the time commitment, fractional highlights the shared-resource model.

The part-time CMO in practice

A part-time CMO works for your company for a defined number of days per week, owning the marketing function for that time. They attend leadership meetings, set strategy, oversee execution, and report to the CEO or board. The advantage over a full-time hire is dramatically lower cost. The risk is that marketing problems often require more focus than a part-time arrangement can deliver.

Companies that get the most value from part-time CMO arrangements have enough internal execution capacity that the CMO can focus on strategy and accountability rather than producing work. Without that capacity, a part-time CMO quickly becomes overwhelmed or hands work back to the founder. Read about what fractional CMO services typically cover.

When an execution agency beats a part-time hire

For companies where execution is the primary bottleneck, a part-time CMO addresses the wrong problem. The company ends up with excellent strategy and no one to run it. A hybrid content and lead generation agency solves both problems simultaneously. Strategy is embedded in execution. The pipeline is built as the strategy is refined. Read about fractional marketing agencies.

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Frequently asked questions

What is a part-time CMO?
A part-time CMO is a senior marketing executive who works for a company for a defined number of days per week, owning the marketing function for that portion of their time. The term is used interchangeably with fractional CMO and describes the same employment model.
How much does a part-time CMO cost?
Part-time CMO costs mirror fractional CMO rates. One day per week from a senior operator typically runs $4,000 to $6,000 per month. Two days per week runs $8,000 to $12,000 per month. These reflect experienced senior marketing professionals rather than director-level hires.
Is a part-time CMO the same as a fractional CMO?
Yes, in most usage. Both terms describe a senior marketing executive working on a shared or part-time basis. Part-time emphasises the time commitment. Fractional emphasises the shared-resource model across multiple clients. Evaluation criteria and expectations are identical.
Should I hire a part-time CMO or a marketing agency?
If your business needs strategic direction that does not yet exist, a part-time CMO is the right hire. If strategy is broadly defined and execution is the bottleneck, a marketing agency that includes strategy in its execution is typically faster and more cost-effective.
Lewis Waldron
Co-Founder, Underdog Ghostwriting
Lewis Waldron is co-founder of Underdog Ghostwriting, a hybrid content and lead generation agency. He has a background spanning defence, corporate finance and management consultancy, and has helped B2B founders generate measurable pipeline through content and outbound systems.
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Underdog Ghostwriting is a hybrid content and lead generation agency. We build content that builds authority and outbound systems that convert it into pipeline. Visit underdog-ghostwriting.com.