Website Visual Refinement on Wix

I'm seeking a talented graphic developer to refine the visual style of our corporate website, currently built on Wix.

Key Requirements:
- Collaborate with my developer, providing mockup designs and style advice.
- No website rebuilding, focus on iterating current work.
- Industrial and professional aesthetic.
- Mixed color scheme

Ideal Skills:
- Strong graphic design expertise
- Know limitations of Wix
- Experience with corporate branding
- Ability to create cohesive mockups

The link to the website is https://www.domsautomation.eu/ for your review. I prefer real freelancers and no larger firms or groups.