Answer
Here is a website that has all the major uk contract hire & car leasing companies on one site. you can search by brand.
http://www.contracthireandleasing.com/
or listed below are specific agencies and there websites:
london car rentals (http://www.lcr.co.uk/)
vehicles include: audi, bmw x5 and z4, chrysler, fiat, honda, jaguar, mercedes-benz e class, mini cooper, nissan, porsche, renault, toyota, vauxhall & volkswagen.
carefree leasing (http://www.carefreeleasing.co.uk/)
including: audi, bmw, volvo, jaguar, alfa romeo, mercedes, honda, toyota, lexus, peugeot, renault, rover, saab, fiat, citroen, ford, nissan, vauxhall & volkswagen.
car leasing uk (http://www.carleasinguk.com/)
contract hire, leasing and opt-out schemes. vehicles include: alfa romeo, aston martin, audi, bmw, cadillac, chevrolet, chrysler, citroen, ferrari, fiat, ford, honda, jaguar, jeep, land rover, lexus, lotus, mazda, mercedes-benz, mitsubishi, nissan, peugeot, porsche, renault, rover, saab, smart, subaru, suzuki, tvr, toyota, vauxhall, volkswagen & volvo. based in cavendish bridge - eastbourne.
hope this helps!
