Jan Gustav Holmström

Part of Erudite Holdings SARL, Darby Group Ltd. provides commercial and residential property development and letting services. The company is based in Northampton, UK. Founded in 2001.

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.

Johnson & Starley Ltd. operates as a plumbing, heating, and air-conditioning contractor. The company is based in Northampton, UK and has subsidiaries in the UK. The British company was founded in 1922 by Johnson and Starley.

Somerset AB provides consultancy services. The company is headquartered in Stockholm, Sweden.

Dawson International PLC operates cashmere businesses and manufactures linen and knitwear products. The company was founded on November 15, 1973 and is headquartered in Hawick, the United Kingdom.

Part of Duroc AB, International Fibres Group (Holdings) Ltd. is a British company that manufactures and distributes polypropylene staple fiber and filament yarn. The company is based in Huddersfield, UK. Founded in 1949.

Superglass Holdings Ltd. engages in the manufacturing and sale of glass fibre insulation. The company was founded in 1987 and is headquartered in London, the United Kingdom.

International Fibres Group AB manufactures polypropylene, polyethylene, polyamide fibre, and filament yarn. It supplies coloured polypropylene staple fibre and yarn solutions. The company was founded on May 30, 2013 and is headquartered in Stockholm, Sweden.

Combat Heating Solutions Ltd. is a British company that was founded in 2017. The private company is based in Wednesbury, UK. The company design, develops, and install comprehensive industrial and commercial heating solutions. The company's services include site surveys, testing, and maintenance.

Browallia Holdings Ltd. provides wholesale money market operations and asset financing. The company was founded on April 24, 1883 and is headquartered in Bradford, the United Kingdom.