We have both... currenxie rate are so low that is not really an issue but we are dealing by only few transactions for large amount. Could be taxing if you are waiting for myriad of little transactions..
What do you mean by "if you know what you are doing"?what is your source on that?
mashreq neo business or wio.
Mashreq requires your company documents + a tenancy contract, so make sure to have that covered.
Wio is wonderful too, they require all your company documents + EID and it's at 99 AED / month. their personal account is also good and they allow you to create virtual cards. Good for crypto if you know what you are doing.