Here is what you would need to manage a pro-designed landing. Popular landing pages pro templates for business & services come with the mentioned features in the pack. You won't need to get them by hand.
Clean, well-organized design with a pixel-perfect appearance;
Search engine optimization;
Mobile-ready pages;
Testimonials & other trust signals;
CTAs & short forms;
Content hierarchy;
Audience-oriented design;
Comfy navigation;
Bootstrap functionality.