Build me a website

We are looking to hire a team of professionals, who will manage our site and marketing, we want a site made professionally with plug-ins like Paypal, invoice fillers, etc. We want it fabricated in such a way that it looks professional and sleek, and easy to play with when our clients visit it. We want advertisers who will market our services via google ads, through a blog site, social media marketing etc. We want professional approach towards researching the market for the niche we have settled it, and a productive approach in product hunting as well. The marketing involves SEO, social media, the graphics, catalogs and that is about it.