Company Logo Design

We are a start-up hoping to make a brand. We have a company logo but we want someone to redesign it but make it cool, crisp and outstanding. The logo should also to submitted in different image file types. The logo should conform to the company colors and should come in different color themes(about 3) and should fit on different backgrounds (eg blue, grey,white background). There is a lot of room for your ideas as to how the logo can be improved. Also deliver within the shortest possible time. A good work done will lead to future design works from the company.