Choosing the right finance model

Fractional CFO vs Interim CFO: Choosing the Right Model

September 02, 20252 min read

Selecting the right senior finance leadership model is not a matter of preference. It is a strategic decision that affects cost, delivery speed, and business performance. The terms “fractional CFO” and “interim CFO” are often used interchangeably, but they serve different purposes. Understanding the difference is the first step in making the right appointment.

What Is a Fractional CFO?

A fractional CFO is a senior finance leader who works with your business on a part-time or flexible basis. They embed into your team over several months or longer, providing strategic oversight and operational guidance without the expense of a permanent hire.

Fractional CFOs are particularly valuable when you need:

  • Investor grade reporting and governance

  • Ongoing strategic input without full-time cost

  • Support preparing for a transaction or funding round

  • Senior oversight to complement your current finance team

What Is an Interim CFO?

An interim CFO is a full-time leader engaged for a fixed period, usually to fill an immediate gap or deliver urgent change. They take control of the finance function from day one, managing operations and driving delivery at pace.

Interim CFOs are often appointed when:

  • A senior finance leader leaves suddenly

  • There is a critical transformation or turnaround underway

  • A deal is in progress and stability is essential

  • The finance function needs complete leadership control

The Key Differences

FeatureFractional CFOInterim CFOTime commitmentPart time, flexibleFull time, fixed termPrimary useStrategic support and oversightImmediate operational controlTypical durationMonths to yearsWeeks to monthsFocusGuidance, planning, improvementStability, execution

Choosing the Right Model

The decision comes down to your current challenge and desired outcome. A fractional CFO augments your team, offering targeted expertise while retaining your existing structure. An interim CFO replaces or leads the finance function during a period of change.

How Shawpoint Solutions Can Help

We start with your business challenge, not a job title. We define the outcomes required, then deploy an operator who can achieve them, whether that means fractional or interim leadership.

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