Al Quoz, converted a warehouse-style unit into a studio and the electrics feel maxed out, what needs sorting?

You have diagnosed it correctly, these Al Quoz units are usually industrial shells wired for storage, a few circuits and sockets sized for lights and a roller shutter, and the moment you convert to a studio with people and equipment all day you have outgrown it, which is why you are short on sockets and tripping when things run together. The right first step is a proper load assessment: what you are actually running now and plan to, versus what the incoming supply and the distribution board can safely deliver; from there it is usually more dedicated circuits and sockets where you need them, and often a board that is already at capacity needs upgrading, occasionally the supply itself if demand has genuinely jumped. The part not to skip is safety and compliance for a space people now occupy: correct RCD protection on the circuits, proper earthing, and the work certified, because a converted unit that trips is annoying but one that is under-protected is a real risk. So it is assess the load first, then add circuits or upgrade the board to match, then get it protected and signed off, rather than just adding extension leads and hoping. A licensed electrician who works across Al Quoz and these converted units will know the typical supply in these buildings and what the landlord will allow you to change. Get the assessment done before you spend, it tells you whether it is a few circuits or a board upgrade.