If your question is "How to save as full path", please try this
string path = Path.Combine(Server.MapPath("~/Content/img/Company/LogoFiles"), filename);
If your question is "How to save as relative path", please try this
[HttpPost]
public ActionResult Save(HttpPostedFileBase myFile)
{
string filename = myFile.FileName;
string relativeFileName = "~/Content/Uploads/" + filename;// relative path
return View();
}