Andrew Hart

The Bell Educational Trust Ltd. is a charity organization that provides language education services. The non-profit company is based in Cambridge, UK and has subsidiaries in the United Kingdom. The British company was founded in 1972 by Frank Bell.

Trident Analytical Ltd is a private investment group. The private company is based in Surrey, UK. and has subsidiaries in United States.

Heath Scientific Co. Ltd. manufactures, designs and produces calorimetry instruments. The company was founded on November 18, 1994 and is headquartered in Bletchley, the United Kingdom.

Dia-Stron Ltd. manufactures automated modular testing systems for single fibre and filaments. It offers testing automation, fibre testing, materials testing, bespoke measurement systems, carbon, glass, aramid fibres testing and natural fibres testing. The company was founded by Nigel Winsey, Lynn Winsey, Steve Bucknell, and Tessa Bucknell in 1987 and is headquartered in Hampshire, the United Kingdom.

BBC Magazines Ltd. publishes books, newspapers, and magazines. It offers BBC history and BBC Good Food, Top of the Pops, Action Hero, Pop Girl, Bob the Builder, and Teletubbies magazines for children, teens, and scholars. The firm's adult titles include Easy Gardening, Homes & Antiques, Radio Times, and What to Wear. The company was founded on February 6, 2006 and is headquartered in London, UK.

Sift Ltd. engages in the provision of business publishing services. It works in three sectors: accounting and finance, small business, and enterprise. The firm specializes in business transformation and digital engagement by providing consultancy and technology services to many organizations. The company was founded by Ben Heald, Andrew Gray, David Gilroy in 1996 and is headquartered in Bristol, the United Kingdom.