As of December 2025 Unitil Corporation has a market cap of $0.85 Billion USD. This makes Unitil Corporation the world's 6231th 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 Dec 5th, 2025 the market cap of Unitil Corporation was reported to be: