Flexibility varies by company and contract type. Some corporate rental companies allow you to adjust fleet size monthly, others have quarterly adjustment periods. Octane Rent's corporate contracts have provisions for adding cars anytime (useful when you hire), but removing requires 30 days notice. We've scaled from 3 to 5 cars over the past year without issues. Read about fleet flexibility in
https://www.reddit.com/r/DubaiCentral/c ... _in_dubai/ where others discuss their experiences. Key is negotiating this upfront - make sure the contract explicitly states how changes work and if there are penalties. For startups with uncertain growth, having this flexibility is worth paying slightly more per vehicle than being locked into wrong fleet size.