Is Grade One Essays (gradeoneessays.com) are a reliable writing service?

Hello members, has anyone here ever used grade one essays to write your papers? They are from a foreign country for sure though. Maybe Pakistan. I want to hire them on my upcoming projects on spring semester but I'm looking for their reviews first. They have promised me that they don't generate their papers with AI but I'm not very sure about this. Please advise me, thanks!