Financial leadership for decisive moments

Saint Ferdinand delivers interim management & financial advisory to steer businesses through their most critical moments.

Trusted by business leaders in their fields.
Ardian logoAltran logoCapgemini logoContentsquare logoBain Capital logoDedge logoEquans logoFret logoGrant Thornton logoReworld Media logoArdian logoAltran logoCapgemini logoContentsquare logoBain Capital logoDedge logoEquans logoFret logoGrant Thornton logoReworld Media logo

Saint Ferdinand
Explained

At Saint Ferdinand O.S, we believe that numbers only create value when paired with human insight and decisive leadership.

Founded to support companies in their most decisive moments, whether in rapid growth, major transformation or crisis, we provide interim management and strategic financial advisory, working closely with CFOs and executive teams.

Our expertise lies in FP&A, business-driven cash forecasting, and strategic steering. We create forward-looking visibility on revenues, costs and working capital, securing clarity and enabling decisive action.

Structured yet accessible, our approach balances human insight with financial precision to help leaders make the right calls when the stakes are high.

Our expertise

Financial leadership, exactly
when you need it.

Saint Ferdinand O.S delivers elite financial leadership when it matters most, bringing clarity, control, and results without permanent hire costs.

Interim Financial Leadership and FP&A

Rapid deployment to replace or reinforce key finance roles.

We ensure execution through reliable reporting, validated budgets and forecasts, while managing cash flow and people costs with precision.

Goal: Guarantee business continuity, provide full financial visibility, and support strategic decisions with clarity and confidence.

Cash Flow Forecasting & Working Capital Management

Business-oriented cash flow forecasts that connect operations, sales cycles, and investment plans.

We manage working capital with a pragmatic approach to receivables, payables, and inventory, ensuring liquidity and reliable day-to-day execution.

Goal: Strengthen liquidity, anticipate financial pressures, and provide leaders with the visibility to decide and act with confidence.

Financial Structuring & Part-Time CFO Services

Tailored financial leadership to drive fundraising, M&A, or strategic initiatives, without the cost of a full-time executive.

We build robust financial frameworks, strengthen investor communications, and provide the tools to secure sustainable growth.

Goal: Equip your business with the structure, insights, and financial discipline needed to achieve long-term success.
Aghiles Mahdi, Founder of Saint Ferdinand O.S
KPMG
d-edge Hospitality Solutions
Saint Ferdinand
"Saint Ferdinand O.S was founded with a simple conviction: finance should be a strategic lever, not just a support function."
Aghiles Mahdi, Founder of Saint Ferdinand O.S

Aghiles began his career in private equity and M&A before joining KPMG's Restructuring team, where he supported companies through complex and high-stakes situations. He later took on FP&A leadership roles in international SaaS environments, combining operational rigor with strategic insight.

Today, he brings this hybrid background to executives navigating growth, transformation, or turnaround. His approach is pragmatic and impact-driven: secure decisions, accelerate execution, and deliver measurable value.

Our sectors

Where we create impact

Beyond expertise, Saint Ferdinand O.S brings hands-on financial leadership tailored to your sector's toughest challenges.

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Tech & SaaS

From fundraising to scale-up: structuring finance, controlling headcount and HR costs, multi-entity cash forecasting, and ERP integration.

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Consumer & Retail

Optimize margins, manage seasonality, improve working capital, and ensure reliable reporting.

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Business Services & Agencies

Redesign FP&A tools and reporting, support rapid growth, and build robust financial structures.

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Private Equity & Acquirers

Provide financial leadership for PortCo or targets in transition, secure cash flow, and optimize post-acquisition performance.

KEY FINANCIAL ISSUES WE ADDRESS
Business-oriented cash flow managementWorking capital optimizationTurnaround & crisis managementPayroll & people cost controlDynamic forecasting & scenario planningBudgeting & performance managementReliable reporting & financial dataFundraising & transaction supportPost-acquisition financial integrationMargin analysis & performance improvementBusiness-oriented cash flow managementWorking capital optimizationTurnaround & crisis managementPayroll & people cost controlDynamic forecasting & scenario planningBudgeting & performance managementReliable reporting & financial dataFundraising & transaction supportPost-acquisition financial integrationMargin analysis & performance improvement
Business-oriented cash flow managementWorking capital optimizationTurnaround & crisis managementPayroll & people cost controlDynamic forecasting & scenario planningBudgeting & performance managementReliable reporting & financial dataFundraising & transaction supportPost-acquisition financial integrationMargin analysis & performance improvementBusiness-oriented cash flow managementWorking capital optimizationTurnaround & crisis managementPayroll & people cost controlDynamic forecasting & scenario planningBudgeting & performance managementReliable reporting & financial dataFundraising & transaction supportPost-acquisition financial integrationMargin analysis & performance improvement
Business-oriented cash flow managementWorking capital optimizationTurnaround & crisis managementPayroll & people cost controlDynamic forecasting & scenario planningBudgeting & performance managementReliable reporting & financial dataFundraising & transaction supportPost-acquisition financial integrationMargin analysis & performance improvementBusiness-oriented cash flow managementWorking capital optimizationTurnaround & crisis managementPayroll & people cost controlDynamic forecasting & scenario planningBudgeting & performance managementReliable reporting & financial dataFundraising & transaction supportPost-acquisition financial integrationMargin analysis & performance improvement
Our references

Trusted by leading organizations

Saint Ferdinand O.S steps in at critical moments, from building first financial processes to supporting complex transformations, when clarity and execution matter most.

SaaS
Client experience analytics
CONTENT SQUARE
Engineering & Consulting
Innovation services
ALTRAN
SaaS
Hospitality Tech
d-edge
Media & Publishing
Content distribution
REWORLD MEDIA
Automotive
Distribution services
autodistribution
Private Equity
Investment firm
BainCapital
Professional Services
Audit & advisory
Grant Thornton
Private Equity
Investment firm
ARDIAN
Transportation
Rail freight
FRET SNCF
Hospitality
Hotel management
ACCOR
Industrial Services
Engineering solutions
GORGÉ
Food & Beverage
Bakery products
Jacquet Brossard

See how we can support
your company.