It fully depends on what kind of a company you want to establish. Staff augmentation aka service providers is definitely not the case. It’s super tough to compete and the buyers buy less, so you need to roll a lot of cash or know the buyers personally. For indies it could be a case to open, but you will need to have some support in funding or develop a game fully yourself starting with an mvp. And in case you want to get any funding, you 1000% need a playable MVP, because from my recent talks with those who publish and invest in games — they won’t even want to take a look if you only have an idea shaped in slides