We want to organize an e-sports site in our shopping center, who can help?

This is a great idea! Nowadays, e-sports is developing by leaps and bounds, and therefore you will definitely not lose if you organize a site of this kind. See, you can contact these guys for all questions https://www.getinpro.com/ . They will not only help to clarify and settle all organizational issues, marketing component and business plan, but also help to find and train employees. You will be able to create a unique e-sports complex in accordance with the relevant standards. So feel free to contact them for help!