If the company adopts Bitcoin, it means that the supply is being swallowed, and its scarcity will occur, which will push up the price. It also proves that Bitcoin is trustworthy in the eyes of some large companies. It is held and sold for profit and it will increase the value and adoption rate.
As more people use Bitcoin, its popularity increases, and the price will rise accordingly. Investors will benefit from investing in Bitcoin. Everyone wants to buy it at a low price and hope to sell it at a higher price.