Fractional CFO: When Should Your Company Hire One?

Quote from Sergey Sundukovskiy, Co-founder of SalesMessage: "Build connective tissue between product and customers." Banner image for Cypher blog post on fractional CFOs.

Scaling is hard. One major tension… do you bring on a full-time CFO or start with a fractional CFO: strategic financial leadership at a fraction of the cost?

Cost: Full-Time CFO vs. Fractional CFO

Role

Annual Cost Estimate

Full-Time CFO

$300K–$500K salary (often beyond $400K)

Fractional CFO

$3K–$15K per month (typically $5K–$8K)

That means fractional CFOs come in at 10–30x lower cost while still offering seasoned leadership.

At Cypher, bookkeeping starts as low as $500/month, and fractional CFO services at $2,000/month — a scalable way to build financial structure before you can justify a full-time executive.

Why Fractional CFOs Are Becoming Essential

  • Soaring demand: Fractional CFO interest has jumped 103% year-over-year.

     

  • Longer engagements than you think: Nearly half (45.6%) of fractional CFOs stay for 1–2 years.

     

  • Flexible, impactful leadership: Founders tap into deep expertise without hiring risk or losing agility.

     

Read more on financial flexibility: Revenue-Funded and Growing: A Smarter Financial Path for Startups.

Real Founder Insight: Sergey Sundukovskiy on Scaling Salesmsg

On a recent episode of Founder Files, we spoke with Sergey Sundukovskiy, PhD, Co-founder/CTO/CPO of Salesmsg.

From 3 people to 75 across 12 countries in 5 years, his team scaled through chaos. Here’s what stood out:

“CTOs in many companies are just too myopic. They’re focused on tech instead of product…”

Sergey built what he called connective tissue, a culture where product, tech, and customer insights flowed seamlessly.

A fractional CFO solves the same connective tissue problem:

  • Translating financial data into decisions founders can act on

     

  • Making sure customer needs, cash realities, and product roadmaps stay aligned

     

  • Structuring insight into action from day one

     

Like Sergey’s approach at Salesmsg, the lesson is this: scaling isn’t about doing more, hiring more, spending more — it’s about connecting the right things together.

Added Benefits of Fractional CFOs

  • Investor-ready reporting & credibility: Better board relations and fundraising prep.

     

  • Strategic planning without full-time cost: Forecasts, budgets, and models done affordably.

     

  • Reduced hiring risk: Trial without long-term commitment.

     

  • Compliance and burnout protection: Keeps you safe while freeing CEOs to lead.

     

  • Engagement model built for flexibility: Monthly retainers or hourly, adapting as you scale.

     

If you’re wondering how this ties into SaaS growth, check out Why Real-Time Financial Visibility Is the New Standard for SaaS Growth.

A Founder’s Perspective on Fractional Leadership

For a helpful explainer on the rise of fractional executives:

When to Bring One On

You’re ready for a fractional CFO when:

  • Growth or investor attention is raising financial complexity.

  • Your financial forecasts feel reactive, not proactive.

  • You want a trusted partner to build… without paying full-time rates.

Final Thought

Sergey’s story on Founder Files reminds us: scaling is about impact, systems, and empathy, not headcount.

At Cypher, we help founders do just that — providing bookkeeping, accounting, and fractional CFO services tailored for scaling companies.

Because whether it’s 3 people or 75 across 12 countries, one truth remains: success must be measured in customer impact — and it all starts with knowing your numbers.

At Cypher, we integrate the right tools, workflows, and reporting systems so you can act quickly and scale confidently.

Whether you’re building a remote-first team like Salesmsg or navigating investor expectations, clean/clear finance & accounting is what keeps you moving forward.

Build your empire — we’ll crunch the numbers. Get started with Cypher

Scroll to Top