I'm a professional photographer and I'd like to do something more for myself, like work with well-known companies where I can find them.?

I believe that professional photographers need a way to get ahead in this life, and the hire a freelancer exchange can help you with that. It's a place where you can get realised and make money. Employers will be easy to find you here, and you can also just as easily create a post about their work, as clearly and beautifully. And in general, if you do your job well, it won't be hard for you to find a steady income.