For any company or organization logo is the most important factor to present the brand visibility in front of the world. It helps to build an instant public recognition for memories the company name just watching the logo. In today's scenario, I can't see any company or corporation which doesn't have logo.

Although the companies have been using logo for many years but not each company's logo is displaying in Google Knowledge Graph.

Have you ever thought of associating official logo with your brand or website to remind Google that this is your official logo?

How to show your official logo in Google Search?

Specifying a logo for your website in Google search

Logo markup is a part of Organization markup, Hence if you already added company markup code to your website, you don't need to add any logo markup code. If you have not added company's markup, Add the below java script code just before the
tag in your website.