I'll analyze Ferrovial SA's financial data to assess suitability for issuing hybrid bonds. Hybrid bonds are typically suitable for companies with strong credit profiles, stable cash flows, and sufficient equity buffers.

**Key Analysis:**

**1. Financial Position (2022 year-end / 2023-01-01):**
- Total Assets: €26.284 billion
- Total Equity: €6.354 billion (24.2% of assets)
- Equity attributable to owners: €4.113 billion
- Noncontrolling interests: €2.241 billion
- Total Liabilities: €19.93 billion (75.8% of assets)

**2. Leverage and Capital Structure:**
- Noncurrent liabilities: €13.142 billion
- Current liabilities: €5.378 billion
- Debt levels are significant, with substantial infrastructure project financing (€7.893 billion noncurrent debt for infrastructure projects + €2.883 billion excluding infrastructure)

**3. Profitability (2022 performance):**
- Revenue: €7.551 billion (up from €6.91 billion prior year)
- Gross profit: €728 million (9.6% margin)
- Profit from operating activities: €423 million
- Profit before tax: €268 million
- Net profit: €302 million
- Profit attributable to owners: €186 million

**4. Cash Flow:**
- Operating cash flow: €1.002 billion (strong)
- Investing cash flow: -€732 million (significant infrastructure investments)
- Financing cash flow: -€316 million
- Overall cash decrease: -€406 million

**5. Key Concerns:**
- Low net profit margin (~4%) and return on equity
- High leverage with significant project-specific debt
- Substantial goodwill and intangible assets relative to equity
- Complex structure with significant noncontrolling interests (35% of equity)
- Negative overall cash flow generation when considering all activities
- Significant "Increase Decrease Through Treasury Share Transactions" of -€446 million (share buybacks)

**6. Infrastructure Project Concentration:**
- Heavy reliance on infrastructure investments (€13.667 billion, over half of noncurrent assets)
- These are typically long-term, illiquid, and project-finance dependent
- Financial result on infrastructure projects: -€365 million loss

**7. Equity Quality:**
- Share premium dropped to €0 from €218 million (consumed/used)
- Treasury shares still negative at -€26 million
- Measurement adjustment improved to -€778 million from -€1.3 billion

**Assessment:**
Ferrovial has some positive characteristics (large scale, revenue growth, positive operating cash flow, infrastructure asset base). However:
- Profitability is thin relative to balance sheet size
- High leverage and complex capital structure with significant noncontrolling interests
- Heavy reliance on project finance and infrastructure concessions creates refinancing risk
- Negative free cash flow after investments
- The equity buffer, while present, is strained by share buybacks and distributions

The company is a large infrastructure player with stable-ish cash flows but thin margins and high leverage. This makes it **marginally suitable** for hybrid bonds - it has the scale and some cash flow stability, but the credit profile is stretched and the equity quality is compromised by significant debt and complex structure. Hybrid bonds would be feasible but not from a position of strength.

<answer>Marginally Suitable</answer>