CMO · Comparison Guide

Fractional CMO vs Interim CMO: which is right for you?

Complete comparison of fractional vs interim CMOs. Costs, duration, engagement models, and when to choose each option for your marketing leadership needs.

	Fractional CMO	Interim CMO
Duration	6-18 months	3-6 months
Time commitment	2-3 days/week	4-5 days/week
Day rate	£700-£1,400	£1,000-£1,800
Monthly cost	£5k-£17k	£20k-£36k
Notice period	30-90 days	1-4 weeks
Multi-client working	Yes	No
IR35 status	Outside IR35	Often inside IR35
Best for	Marketing strategy	Campaign delivery
Handover period	Gradual transition	Defined end date

When to choose fractional CMO

Strategic marketing leadership

Ongoing marketing strategy, brand development, and growth planning. Perfect for businesses that need senior marketing expertise.

Cost-effective marketing expertise

Access C-suite marketing leadership at £5k-£17k per month. Fractional CMOs bring diverse sector experience across multiple clients.

Authority Sources · Independently Verified

Marketing Week

Marketing Leadership Models Survey 2026

"Research on fractional vs interim marketing leadership preferences across UK scale-up sector."

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Fractional CMO vs Interim CMO: which is right for you?

When to choose fractional CMO

Marketing Leadership Models Survey 2026

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