Based in Petersfield, Hampshire, Ultimate Detailing specialises in detailing, preparation and management of classic, vintage and high-performance vehicles. Led by Jonathan Underwood, the business draws on more than ten years’ experience working with owners, auction houses and specialist workshops in the UK and Europe.

Services include seasonal detailing and preparation for car shows, track days and auctions. Jonathan also supports owners with the ongoing care of individual vehicles and collections, coordinating preparation, logistics and storage arrangements.

Alongside detailing, Ultimate Detailing offers vehicle sourcing and consignment services for classic cars, vintage vehicles, supercars and rarer models. Support includes sourcing, negotiation, inspections and delivery, as well as arranging auction consignment and preparing cars for sale.