Many multinational companies have logos. Their logo is their symbol. Companies like Microsoft have a unique logo. So, do these companies hire local freelancers when it comes to getting their ligis designed?

Many of those companies have internal graphic designers. They would design the logos. If not, they may hire a freelancer based on a recommendation. I doubt the big companies like Microsoft are hiring just anyone off Fiverr and alike.

I used to work for advertising/marketing companies and we sometimes did logos for companies. The big name ones went to the really big name advertising companies! You wouldn’t believe how much money was wasted on creating one logo!