John Wilson

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.

Agar Scientific Ltd. supplies microscopy, medical, and laboratory instruments. It offers Adam equipment balances and scales, airflow and ventilation testing, critical point dryers, diamond saws and cutting, fibre optic illuminators, flowmeters, glow discharge unit, grinders, polishers and pressers, incubators and oven, tweezers and tools, TEM, and LM. The company was founded by Alan Agar in 1978 and is headquartered in Stansted, the United Kingdom.

Queensgate Nano Ltd. manufactures Nano positioning devices and sensors. Its products include nanopositioning stages, nanopositioning actuators/translators; nanopositioning sensors control electronics and software. The company was founded in 1979 and is headquartered in Cambridge, the United Kingdom.

Checkit Europe Ltd. provides workflow management software, solutions, and tools. The private company is based in Cambridge, UK. Kit Kyte has been the CEO of the British company since 2021.

Elektron Eye Technology Ltd. engages in the provision of eye care services. The company is headquartered in Cambridge, the United Kingdom.

Part of Equistone Partners Europe Ltd., Regatta Bidco Ltd. functions as an investment holding British company. The company is based in Cambridge, UK and was founded in 2019.