Mark David Henley

The Stanley Gibbons Group Plc engages in the rare stamp merchant business. The firm trades in collectibles, auctioneering, the development and operation of collectible websites, philatelic publishing, mail order, retailing, and the manufacture of philatelic accessories. It operates through the following segments: Philatelic Trading & Retail Operations, Publishing & Philatelic Accessories, Coins & Medals, and Legacy Interiors Property & Legal. The company was founded in 1856 and is headquartered in London, the United Kingdom.

Ripmax Ltd. engages in the distribution of radio control products, equipment, figures, and replicas. It provides helicopter accessories, multirotors electronics, car accessories, engines, motors, batteries, and chargers. The company was founded by Max Coote in 1949 and is headquartered in Enfield, the United Kingdom.

HPI Racing Holdings Ltd. operates as a holding company with interest in hairdressing and other beauty treatment services. The company was founded on May 10, 2016 and is headquartered in Middlesex, the United Kingdom.

Ultimate Model Corp. Ltd. provides investment services. The private company is based in Waltham Cross, UK. and has subsidiaries in United Kingdom. It was founded in 1996.