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COO · Comparison Guide

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

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

Fractional COOInterim COO
Duration12-36 months3-9 months
Time commitment2-3 days/week4-5 days/week
Day rate£1,000-£1,700£1,300-£2,200
Monthly cost£8k-£20k£26k-£44k
Notice period30-90 days1-4 weeks
Multi-client workingYesNo
IR35 statusOutside IR35Often inside IR35
Best forOperations strategyTurnaround/restructure
Handover periodGradual transitionDefined end date

When to choose fractional COO

Strategic operations leadership
Ongoing operations strategy, process development, and systems implementation. Perfect for scaling businesses that need operational expertise.
Long-term operational development
Operations transformation takes time. Fractional COOs provide sustained strategic guidance for 12-36 month operational development cycles.
Authority Sources · Independently Verified
McKinsey Global Institute

Operations Leadership Models 2026

"Analysis of fractional vs interim operations leadership effectiveness across different business contexts."

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