The role of the external CFO in SME scalability
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Consulting 6 min Mar 8, 2026

The role of the external CFO in SME scalability

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Buildness Advisory Team

Management Consultants

One of the most transformative decisions an SME can make is hiring a CFO — even part-time. Most companies with fewer than 50 employees don't have the volume to justify a full-time Financial Director, but have all the complexity to need one.

What an external CFO actually does

An external CFO is not an accountant. They are a strategic partner who typically works 2 to 4 days per month at the company.

  • Cash flow management and planning
  • Financing structure (banks, investors, EU grants)
  • Strategic pricing and margin analysis
  • Audit and due diligence preparation
  • Reporting to shareholders and board

When is the right time to hire

Signs include: revenue above €500k, growth above 20% per year, bank financing negotiations, or difficulty understanding profitability per business line.

70% of SMEs that hire an external CFO identify cost-saving opportunities in the first 3 months.

External CFO vs. internal CFO

An internal CFO costs €60,000 to €100,000 per year. An external CFO with the same capability costs €1,500 to €4,000 per month.

The Buildness Advisory model

Buildness Advisory provides external CFOs with 15+ years of experience in Iberian SMEs.

First month of financial consulting with no commitment.

Professional financial management is not a privilege of large companies. The external CFO model democratizes access to top financial capabilities for SMEs.

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