Hi – You can contact IBKR in Dubai with the below details:
Interactive Brokers (U.K.) Limited (DIFC Branch)
Floor 5, Unit 507, Index Tower, Dubai International Financial Centre, Dubai, United Arab Emirates.
United Arab Emirates
Retail Client Services
+971 8000 311 0143
Institutional Client Services
+971 8000 311 0144
You can also compare other UAE-regulated investing and trading platforms here