They are scammer this grey.co are not legit my client sent me $19,898 and the hold the money requesting for a proof of transaction, I sent them all the required documents and also my client made a video and showed them all the contract agreement that we signed, he showed his Goverment ID in the video too. I sent everything to paymentverification at grey.co they told me that they will reverse the money back to the sender after 14days. Few hours later they removed the money from pending and never send it back to my client till now .. I asked them where is their office address and phone number. they never reply me again