Jonathan James Renton Thursby

Downing Ventures (Downing) is an independent venture capital firm founded in 1986. The firm is headquartered in London.

Part of GPS Midco Ltd., GPS Finco Ltd. is an investment holding British company. The company is based in London, UK and was founded in 2018.

Part of Dunedin LLP, Dunedin (GP III) Ltd provides financial intermediation services. The company is based in Edinburgh, UK.

GPS Midco Ltd. is a British dormant company that was founded in 2018.

GPS Bidco Ltd. is a holding British company. The private company is based in London, UK.

Global Processing Services Group Ltd. operates as a holding British company whose subsidiaries provide payment processing services. The private company is based in London, UK. The company was founded in 2018. The CEO is Joanne Dewar.

Silicon Microgravity Ltd. develops sensor devices for the oil and gas sector. Its sensing technology enables the recording of gravity data at high sensitivities and seismic data at ultra-low frequencies. The firm offers microelectromechanical system sensors to transform measuring densities deep in the reservoir from the borehole. The company was founded by Paul Vickery, Ashwin Seshia and Kevin Dodds in September 2013 and is headquartered in Cambridge, the United Kingdom.

Part of Dunedin LLP, Safe Bidco Ltd. provides non-life insurance services. The company is based in Newport, UK. Safe Bidco was founded in 2019.

Part of Dunedin LLP, Safe Topco Ltd. is a holding British company that operates through its subsidiaries to provide non-life insurance services. The company is based in Newport, UK and was founded in 2019.

Synova Capital LLP (Synova Capital) is a private equity firm founded in 2007 by Philip Simon Shapiro. The firm is headquartered in London.

READ AS develops, constructs, and sells technical products for seismic services. Its products are used for exploration, reservoir evaluation, and well construction. The company was founded on December 10, 1991 and is headquartered in Hvalstad, Norway.

Meta Downhole Ltd. develops and delivers leading-edge downhole isolation solutions to the oil and gas industry. The firm's patented Metalmorphology ensures isolation integrity for the life of the well. It offers morphable casing reconnect, liner tieback, internal clad, and isolation barrier technologies. Meta Downhole was founded on February 12, 1990 and is headquartered in Aberdeen, the United Kingdom.

ALS Oil & Gas provides coring services for oil and gas companies. It offers services such as reservoir sampling, analysis and evaluation, well monitoring, well services and drilling services. The firm serves companies in the down-hole drilling, completion and production sectors. The company was founded in 1988 and is headquartered in Aberdeen, the United Kingdom.

3sun Ltd. supplies and installs electro hydraulic products. It provides accessories, anchors, ascenders/rope climbers, back up and fall arrest, bags, descenders, harnesses, helmets, karabiners/connectors, lanyards, pulleys, rope accessories, rope protection, ropes, slings and strops. The company was founded on November 13, 2006 and is headquartered in Great Yarmouth, the United Kingdom.

Ziebel AS develops fiber optic intervention technology. It designs and manufactures wireless real time permanent gauges for oilfield applications. The firm offers artificial lift solutions such as umbilical wire replaceable electrical down hole pumps and industrial solutions, including torque loggers, controllers, pressure test systems and custom industrial systems. The company was founded by Henning Hansen and David Stanly Ottesen on January 2, 2006 and is headquartered in Tananger, Norway.

Inspire (Partnership Through Life) Ltd. provides support and skills development services for people with learning disabilities. The private company is based in Aberdeen, UK. The British company was founded in 1988. The CEO is Linda Gray.

Kingsbridge Group Ltd. engages in the provision of insurance brokerage services. It offers commercial lines insurance and consulting services. The firm operates through the Kingsbridge Contractor insurance, Dinghy, and Kingsbridge Insurance Broker brands. The company was founded by Steven John Wynne in 2001 and is headquartered in Tewkesbury, the United Kingdom.

Dawson Energy Ltd. engages in the provision of construction services. It offers installations, repair, and maintenance. The company was founded on March 9, 2004 and is headquartered in Montrose, the United Kingdom.

3Sun Group Ltd. provides control, instrumentation, and engineering services to the energy industry. Its services include installation offshore and onshore, inspection, operation and maintenance and asset integrity. The company was founded by Graham Thomas Hacon and Willie Dawson in 2007 and is headquartered in Great Yarmouth, the United Kingdom.

Part of Worley Ltd., 3sun Inspection Services Ltd. is a British company that engages in inspection activities. The company is based in Great Yarmouth, UK and was founded in 2011.

The Institute of Chartered Accountants in England & Wales ensures that its members, students, and affiliates maintain the highest standards of professional competency and conduct to protect the public interest. The non-profit company is based in London, UK, and has subsidiaries in the United Kingdom. With over 150,000 members, the institute provides technical information, helplines, and communities to its members.

Probe Technology Services, Inc. designs, manufactures, and sells measurement tools and systems used in formation evaluation, and well integrity assessment and productivity determination for the energy industry worldwide. It offers cased hole tools, such as corrosion logging, cement integrity logging, thru casing evaluation logging, gamma ray and CCL logging, memory logging, surface acquisition systems, and auxiliary equipment and accessories; and open hole tools, including nuclear, resistivity, acoustic, and borehole geometry logging. The company was founded in 1994 and is headquartered in Houston, TX.

Oxford Safety Components Ltd. manufactures construction safety systems. The company was founded on April 7, 2000 and is headquartered in Bicester, the United Kingdom.

Gravity Midco II Ltd. is an investment holding British company. The private company is based in Cradley Heath, UK. It was founded in 2021.

K.I.G. Ltd. operates as a holding company with interest in manufacturing and supplying iron fittings. It provides structural fittings and steelwork fixings such as guard-rails, hand-rails, and fencing. The company was founded on April 4, 1996 and is headquartered Cradley Heath, the United Kingdom.

Part of Premier Hytemp Topco Ltd., Premier Hytemp Bidco Ltd. operates as a holding British company that provides consultancy and financing services through its subsidiary. The company is based in Newbridge, UK and was founded in 2012.

Premier Hytemp Topco Ltd. operates as a holding British company. The private company is based in Edinburgh, UK and has subsidiaries in the United Kingdom.

Kee Safety Ltd. supplies components and bespoke systems for railings, barriers, roof edge protection and fall prevention, and safe access equipment for working at height. It offers safe access solutions, tubular fittings, and steel to steel connections. The company was founded by George H. Gascoigne in 1934 and is headquartered in West Midlands, the United Kingdom.

KEE Safety International Ltd. engages in the provision of fall protection solutions. The company was founded on June 26, 2006 and is headquartered in Cradley Heath, the United Kingdom.

Kee Safety Group Ltd. is an investment holding company, which engages in the supply of safety systems and solutions focused primarily on hand rail, guard rail, and barrier systems. Its products include fall protection, safe access solutions, fittings, and steel to steel connections. The company was founded was founded by George H. Gascoigne in 1934 and is headquartered in Cradley Heath, the United Kingdom.

Fisher Alvin Ltd. Produce and supplies galvanized steel products. It offers key clamps and tube, ship fit clamps, roof edge protection, crash barriers and livestock drinkers. The company was founded in 1912 and is headquartered in Droitwich, the United Kingdom.

LNA Solutions, Inc. manufactures and distributes steel connections products. Its products are used to connect steel sections, threaded rods, low speed rails, steel cavities, HSS columns, cladding systems, curtain walls and canopies, as well as to install steel floors. The company was founded in 1995 and is headquartered in Ann Arbor, MI.

Part of KEE Safety International Ltd., Kigh 2000 Ltd. functions as an investment holding British company. The company is based in Cradley Heath, UK.

Part of Kee Safety Group Ltd., Ensco 1020 Ltd. is an investment holding British company. The company is based in Cradley Heath, UK and was founded in 2013.

Angus International Safety Group Ltd. is a renowned group of companies founded in 2013 that specializes in the research and development, manufacture, sales, training, and after-sales service and support of safety and environmentally responsible products and engineered solutions. The company is based in Lancaster, UK, and has subsidiaries in the United Kingdom, France, and the United States. The British company owns and manages many premium brands across a broad range of sectors, including agriculture, military, marine, petrochemical, oil and gas, forestry, infrastructure, power, aviation, mining, fire and rescue, offshore, and water transfer-treatment.

Gravity Bidco Ltd. functions as an investment holding British company. The private company is based in Cradley Heath, UK.

Part of KEE Safety International Ltd., Kee Safety Logistics Ltd. provides a fully adjustable range of self-closing safety gates for use in rooftop or industrial environments. The company was founded in 1996 and is based in Cradley Heath, UK. Safety gates are ideal for protecting any openings, ladder/stair access points, roof hatches, walkways, access to industrial machinery, and other restricted areas, where regular access for maintenance and inspection is needed. Kee Walk provides a safe, anti-slip, level walkway for workers who need to access a roof in the course of their work. The British company also offers fall protection for aircraft maintenance and access. Kee Safety Logistics has significantly expanded its product portfolio and geographic horizons over the decades and continues to grow year on year. The company launches new products on a regular basis and uses its experience in international markets to drive innovation in these new areas.

Safety Topco Ltd. is a holding British company founded in 2017 that operates subsidiaries which manufacture and distribute construction safety railings, barriers, and safe steel work fixings. The private company is based in Cradley Heath, UK, and has subsidiaries in the United Kingdom.

Part of KEE Safety International Ltd., Access Technologies Ltd. is a British UK-based company that was founded in 1993. The company specializes in manufacturing safety gates, lifeline systems, and related safety components.

Safety Bidco Ltd. functions as an investment holding company. The company was founded on October 11, 2017 and is headquartered Cradley Heath, the United Kingdom.

Part of Safety Topco Ltd., Safety Midco Ltd. functions as an investment holding British company. The company is based in Cradley Heath, UK and was founded in 2017.

Planet Platforms (Holdings) Ltd. provides investment services. The company was founded on February 19, 2007 and is headquartered in Cradley Heath, the United Kingdom.