Geoffrey Spink

Part of The Bell Educational Trust Ltd., Bell Educational Services Ltd. is a British company that provides educational services. The company is based in Cambridge, UK. The company was founded in 1955 by Frank Bell. Catrin Diamantino has been the CEO of the company since 2018.

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.

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.

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

Hartest Holdings Ltd. manufactures, sells and distributes precision instruments used in testing, measurement, performance improvement and research. The company specializes in delivering well recognized product and service brands into niche markets both at home and abroad. It operates under two divisions: Instrumentation and Medical Services. The Instrumentation division manufactures, sells and distributes a range of specialist instruments and supplies for use in testing, measurement, performance improvement, and research around the world. The brands covered by this division are Sheen Instruments-surface coatings, Wallace Instruments-rubber testing, ASL-temperature measurement, Tinsley Ophthalmic and Henson-ophthalmic testing, Tinsley Precision-underwater cable fault location and electrical impulse testing, Carnation Designs-power management systems for specialist vehicles and Agar Scientific-equipment and consumables for use with electron microscopes. The above operations of Sheen, Wallace, ASL, Tinsley Ophthalmic and Tinsley Precision operate jointly within one company, Hartest Precision Instruments Ltd. The Medical Services division trades under the names of Qados and Cross Technologies, acting as a distributor in the business areas of specialist medical and healthcare equipment, in both the public and private sectors. This division mainly operates in United Kingdom and Ireland. In addition to the sale of medical equipment, the division also has an active service and consumables operation, and is engaged in the distribution of radiopharmaceuticals. The company was founded on December 12, 1998 and is headquartered in Sandhurst, the United Kingdom.