And I have a perfect suggestion for you. Here, this article will help you with choosing perfect branding and design services
https://medium.com/@chelsea.greene/top-branding-agencies-brand-design-firms-a1a3b89c93ab . It contains a good list of the companies all worth your attention. Though I would suggest that that is the first one on the list. So click the link and see what it has to offer for yourself.