"A company's mission statement briefly explains the company's purpose, goals, and/or strategy. The mission statement is intended to communicate a sense of intended direction and to help guide the company's actions."
From: https://libguides.umgc.edu/c.php?g=970568&p=7014289
The best place to find a company's mission statement will usually be the company's own website. Try using a search engine such as Google, Duck Duck Go, or Bing and search for the company's name and the phrase mission statement.
Example: