Interim CFO vs Fractional CFO
Understanding the key differences
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Key Takeaways
- 1Fractional CFOs work 1-3 days per week, providing senior expertise without full-time costs
- 2UK day rates range from £800 to £1500, depending on experience and sector
- 3Typical engagements save 50-70% compared to full-time executive hires
- 4Ideal for startups, scale-ups, and SMEs needing strategic leadership
- 5No employment overhead: no pension, NI, benefits, or notice periods
Interim vs Fractional: Key Differences
Interim and fractional CFO are often used interchangeably, but they represent different engagement models. Understanding the distinction helps you choose the right approach for your situation.
Cost Comparison
Fractional vs Full-Time Executive
Your Potential Savings
£180k+
Time Allocation
How fractional executives spend their time
UK Fractional Executive Day Rates
Compare day rates across C-suite roles
Fractional vs Interim vs Full-Time
Choose the right engagement model
| Aspect | Fractional | Interim | Full-Time |
|---|---|---|---|
| Time Commitment | 1-3 days/week | 4-5 days/week | 5 days/week |
| Duration | Ongoing/flexible | 3-12 months | Permanent |
| Annual Cost | £50-150k | £150-300k | £200-400k+ |
| Best For | SMEs, startups, scale-ups | Crisis, transitions | Large enterprises |
| Flexibility | ★★★ High | ★★☆ Medium | ★☆☆ Low |
Costs are indicative UK market rates. Actual costs vary by role, experience, and sector.
Calculate Your Day Rate
Calculate Your Potential Income
Based on 2.5 days/week x 2 clients x 48 working weeks. CFO UK average day rate: £1000.
BetaThis calculator provides rough estimates for illustration only. Actual rates and salaries vary based on location, experience, industry, and market conditions.
Related Executive Roles
Complementary leadership for your organisation
Frequently Asked Questions
Everything you need to know
Time commitment. Interim CFOs work full-time (4-5 days/week) with one client, typically for defined periods. Fractional CFOs work part-time (1-3 days/week) with multiple clients on an ongoing basis.
Industry Resources & Authority Links
Related Pages
The Fractional Executive Trend
Industry data on the rise of fractional leadership
of executives who moved to fractional work report higher job satisfaction
Source: Harvard Business Review ↗Platform Stats
Founder's background
📊 CFO Market Snapshot
💰 CFO Day Rates
Based on 2026 market data for UK CFO roles.
