Chatted on Skype, very friendly and professional. I'll update when service is done with a full review.
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Update:
Added them on Skype to get some alt, alt, alt, alt account CM'd up before the end of Legion because I just couldn't stand the thought of pugging it for the 10th time. The service was prompt, polite and very professional. I was originally booked in for later in the week, and that wasn't a problem. I was asked later in the day if I'd like to have to done right now, which was great for me. I couldn't complain at all.
After giving them the username+password and accepting the authenticator request, I was provided with a stream link to watch. I watched on and off while doing other things, but from what I saw they clearly knew what they were doing. The strats were similar to my own and there were no wipes or resets.
When it was completed, I was informed on Skype that it was done and I could log in again. The character was back in my Garrison with all the achievements.
Overall a very solid and professional service that I would recommend to anyone.