Slim's Detailing | Car Detailing Care & Valeting Supplies Slim’s Detailing has been established in honour of a man whose vision for quality lives on in his cars and his business which started trading over 50 years ago, but also is inspired by anybody who has Slim’s Detailing has been established in honour of a man whose vision for quality lives on in his cars and his business which started trading over 50 years ago, but also is inspired by anybody who has a car they love and care for. Treat your car and shop online with Slim's Detailing Today - 0333 222 9944.