As of January 2026 Parsons has a market cap of ยฃ5.78 Billion. This makes Parsons the world's 2399th 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.
On Jan 18th, 2026 the market cap of Parsons was reported to be: