I called them couple of weeks ago and they acknowledged that they have received. What can be the possible outcomes here, according to you?? I mean my case is is pretty much clear I am in IT on skilled worker visa from last 8 years in USA with over all experience of 12 years and currently holding designation of Senior Manager in IT.Looks like they've not attended to your additional documents yet. Order GCMS notes let's see if the documents you sent have been received and looked at.