I believe ACE, IFPA and ISSA are recognized in UAE:
Also, below is a link to a similar question to yours which was asked in the past:
most qualifications aren’t recocnised by the REPS ( registered exercise professionals) UAE, the legal governing body of all the fitness courses in UAE from August 2013 onwards.
I keep hearing more and more about eta college / exercise teachers academy. their course is apparently a bit longer than other courses but it has the most information and goes in depth, also very practical to.
they are registered by all the international bodies. so their standard is very high. think they are in Dubai marina