Based on VINCI’s business profile as a large infrastructure and concessions group with highly visible, stable cash flows and its investment‑grade (BBB‑area) credit metrics, the company would be a candidate for hybrid financing. However, VINCI has no outstanding hybrid bonds and has never issued a hybrid, which, according to the guidance, is a strong signal that it is at most marginally suitable rather than strongly suitable. Its improving leverage (Net Debt/EBITDA ≈ 1.9, FFO/Net Debt ≈ 0.42), solid access to capital markets, and funding needs (refinancing, capex, M&A) support a moderate rating benefit from a hybrid issuance, but the absence of a recent or existing hybrid issuance means the case is not compelling enough for a “Strongly Suitable” classification. Therefore, VINCI is best characterized as **Marginally Suitable** for a hybrid bond issuance.

<answer>Marginally Suitable</answer>