Need maybe 15 cars for 3 months. Doable?

Absolutely doable! Commercial car rental in Dubai handles seasonal needs perfectly - Octane Rent does this regularly. Their 340+ vehicle fleet can accommodate 15 cars easily, and 3-month rentals qualify for corporate rates. Seasonal scaling is exactly what rental services are great for - you get the vehicles when you need them without being stuck with them after peak season ends. Everything maintained and insured by them, delivery included. They're used to working with businesses that have fluctuating needs. Just book in advance to ensure availability during your peak period.