As of December 2025 Gaztransport & Technigaz has a market cap of ยฃ5.10 Billion. This makes Gaztransport & Technigaz the world's 2545th most valuable company by market cap according to our data. The market capitalization, commonly called market cap, is the total market value of a publicly traded company's outstanding shares and is commonly used to measure how much a company is worth.