It's impossible that a third party like yours can do that if the channel abides on YouTube terms and agreements; you don't even outline criterias on what channels you can delete
We have team of lawyers, they make strong case for the removal of any particular video and yes there isn't any particular criteria for videos for removal. it depends on case. if that video really creates problem for reputation for client then definitely we delete that video or channel.
On what Escrow is, the one that you recommend or are in contact with or a third-party, well established escrow service or a highly reputable escrow of this forum?
Yes reputable escrow on this forum are welcome!