Before we sketch a single wireframe, we need to understand what you're actually trying to accomplish — not just "look professional" but specifically what actions you want visitors to take, which customers you're trying to reach, and what your competitors have gotten right or wrong.
Discovery typically includes stakeholder interviews, a site audit of your existing presence, a competitor review of 3–5 direct competitors, and a content inventory. From this we produce a strategy brief that drives every decision downstream.