It may be possible to reclaim back the VAT if your business is registered for VAT, the amount that you can reclaim will depend on your circumstances.
Rental Payments
Usually, 50% of the VAT is reclaimable if the car is to be used for personal as well as business use. 100% should be reclaimable on commercial vehicles.
Maintenance Payments
100% of both the commercial vehicles and the cars should be reclaimable.
Check with your accountant
It is important that you clarify what VAT you can claim back via your accountant.