French infrastructure heavyweight Vinci Construction Grands Projets is back on investors’ radar after securing a €144 million contract from Jamaica’s National Water Commission to upgrade drinking water systems under the Western Water Resilience Programme.

Some analysts say the stock may still be trading below its estimated value, highlighting potential upside.

The project, aimed at improving water supply and resilience in western Jamaica, adds to Vinci’s global construction portfolio. While the contract itself is significant locally, the stock story focuses on Vinci’s broader business model, which combines construction with ownership and operation of long-term assets such as toll roads, airports, and other infrastructure concessions. These assets generate steady, predictable income, making the company appealing to investors seeking stability alongside growth.

Vinci’s shares recently stood at €122.55, with the stock rising 3.2% over the past week, 4.6% over three months, and nearly 21% over the past year. A widely followed fair value estimate places the stock at €135.63, roughly 10% higher than the current price, suggesting analysts see room for additional upside.

Beyond construction, Vinci expects growth from expansions in high-margin concessions, including airport upgrades in Lisbon and London Gatwick. Combined with steady traffic volumes and rising demand for mobility, these projects are anticipated to strengthen margins and earnings over time.

For investors, the Jamaica water contract reinforces Vinci’s global presence and highlights the company’s ability to secure recurring, high-value infrastructure projects, a key factor underpinning its valuation potential.