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Fractional CMO

Fractional CMO vs. full-time CMO vs. agency vs. consultant

Compare a fractional CMO, a full-time CMO, a marketing agency, and a consultant on cost, commitment, ownership, and fit.

Jon Mackin2 min read

Four ways to lead your marketing, compared on cost, commitment, and who owns the outcome.

How do the four options compare?

Fractional CMO Full-time CMO Agency Consultant
Owns strategy and results Yes Yes No, executes your brief Advises only
Does the execution With Full-Service Execution Through their team Yes No
Cost Monthly retainer $7,500–$15,000 Six-figure salary plus benefits, equity, and search Retainer or project fees Hourly or project fees
Time to start Weeks Months (search and onboarding) Weeks Days to weeks
Commitment No minimum term, month to month Long-term employment Contract term Per project
Best for Growing companies that need senior leadership now Larger orgs needing daily leadership Teams with a clear plan that need hands A specific problem or decision
Watch out for Needs real authority to work Long, costly search, and hard to reverse Optimizes its own deliverables, not your strategy Advice without ownership of results

Which one fits?

  • Fractional CMO — You have traction and a team or vendors, but no one senior steering.
  • Full-time CMO — Marketing is central to growth and you’re building a multi-role team.
  • Agency — Your strategy is set and you need production capacity.
  • Consultant — You need an expert answer to one question, like pricing or a platform choice.

New to fractional leadership? Start with the guide to fractional CMOs, or see what a Fractional CMO engagement covers.

FAQ

Straight answers.

Don't see your question? Talk to a CMO and ask it directly.

Is a fractional CMO cheaper than a full-time CMO?

Almost always. You pay for the time and scope you need instead of a full salary, benefits, equity, and search fees. The trade-off is availability: a fractional CMO isn’t in every meeting, so clear priorities and a regular cadence matter.

Can a fractional CMO work with our agency?

Yes, and it’s one of the most common setups. The fractional CMO writes the brief, sets priorities, and holds the agency to the KPIs, so the agency’s work adds up to a plan.

When should we switch from fractional to full-time?

When marketing needs daily leadership across a multi-role team, or when it becomes the core growth engine. Many companies use a fractional CMO to build the function and then help hire the full-time leader.

What’s the difference between a fractional CMO and a consultant?

A consultant advises; a fractional CMO owns the outcome. A fractional CMO sets the plan, leads the people doing the work, and reports results against agreed KPIs, usually on an ongoing basis.

Everything you need.
Nothing you don't.

Spend 30 minutes with a CMO. You'll leave with a clear read on what's working, what isn't, and what we'd do first, whether or not we work together.