Sales Presentation and Website for China Consulting Business

I currently own a China consulting business. We help mid sized companies do business in Mainland China. Essentially we are their team on the ground, so that they don't have to hire and manage their own people. We have a small number of satisfied clients, and I would like to market ourselves so that we can go out and attract more. Our monthly consulting fees would typically range between USD 5-20k per month per client, depending upon range of services offered and number of people assigned. Our big selling point is that we "know China" and have the ability to manage a Chinese team, while working with and understanding the needs of the Western head office. Services could be everything and anything from market entry to sourcing, to acquisitions. Ideally, we want to set up long term working arrangements. I need a freelancer who can put together a marketing piece to sell us at a very high level to prospective customers. The main sales tool would be our website, but I am open to other suggestions as well. We have an existing website, but it needs to be re-vamped to turn it into a marketing tool. The successful freelancer will be someone who knows how to put together a sales presentation on our company, and then turn it into a compelling website, so that it can attract high level, and high paying consulting contracts.