Parkwalk Advisors

Cambridge GaN Devices develops gallium nitride based power devices and transistors designed to improve energy efficiency in power electronics. The company designs, creates, and commercializes GaN-based semiconductors that achieve faster switching, lower energy losses, and smaller form factors compared with traditional silicon devices while delivering higher power density. Its products are intended for applications in sectors such as renewable energy, electric vehicles, and consumer electronics, enabling compact and more efficient power conversion and energy management. The company collaborates with industry partners to drive innovation and accelerate adoption of GaN technology in the power semiconductor market.

Proxisense specializes in developing proximity sensors and fluid contamination monitoring systems using eddy current technology. Their real-time turbine blade health monitoring systems extend component lifetimes and reduce maintenance costs, targeting the power and aerospace industries. They also provide reliable fluid monitoring to prevent damage and optimize operating conditions for transportation assets.

Zomp is a provider of consumer electronics.

Symetrica Ltd. is a company that specializes in the development and commercialization of integrated radiation detection and identification technologies. Founded in 2002 and headquartered in Southampton, United Kingdom, with an additional office in Maynard, Massachusetts, Symetrica serves various sectors including military, homeland security, medical diagnostics, geophysical, and space research. The company produces a range of advanced devices, such as handheld and backpack-mounted sensors, vehicle-based detectors, and drive-through scanners, which utilize machine learning to enhance operational effectiveness for security teams. These systems are employed by customs and border protection, law enforcement, military, and emergency services around the world, enabling them to identify threats and respond efficiently.

Cambridge GaN Devices develops gallium nitride based power devices and transistors designed to improve energy efficiency in power electronics. The company designs, creates, and commercializes GaN-based semiconductors that achieve faster switching, lower energy losses, and smaller form factors compared with traditional silicon devices while delivering higher power density. Its products are intended for applications in sectors such as renewable energy, electric vehicles, and consumer electronics, enabling compact and more efficient power conversion and energy management. The company collaborates with industry partners to drive innovation and accelerate adoption of GaN technology in the power semiconductor market.

Ceryx Medical Limited is a biotechnology company based in Bath, United Kingdom, founded in 2016. The company specializes in developing and manufacturing innovative bio-electronic devices that utilize unique, patent-protected chip technology. These devices are designed to mimic Central Pattern Generators (CPGs), which are nerve centers in the body responsible for regulating various autonomic and rhythmical processes, including peristalsis, heart rate, and walking. Ceryx Medical aims to restore normal physiological functions that may be compromised due to disease or injury by employing artificial CPGs in their therapeutic devices.

Paragraf is a UK-based company specializing in graphene technology. Established in 2015, it focuses on developing high-purity graphene products for commercial applications, particularly in electronics. The company produces graphene electronic devices and sensors using contamination-free technology.

Founded in London in 2016, Bramble Energy specializes in designing and manufacturing high-performance, low-cost fuel cell stacks using printed circuit board (PCB) technology. Their products cater to stationary, portable, and automotive sectors, with customizable options available.

Paragraf is a UK-based company specializing in graphene technology. Established in 2015, it focuses on developing high-purity graphene products for commercial applications, particularly in electronics. The company produces graphene electronic devices and sensors using contamination-free technology.

Porotech is a Cambridge University spin-out focused on developing wide-bandgap compound gallium nitride (GaN) semiconductors. It aims to revolutionize the electronics industry by applying advanced material technologies to unlock GaN's full potential, enabling more efficient light-emitting diodes and other electronic devices.

Cambridge GaN Devices develops gallium nitride based power devices and transistors designed to improve energy efficiency in power electronics. The company designs, creates, and commercializes GaN-based semiconductors that achieve faster switching, lower energy losses, and smaller form factors compared with traditional silicon devices while delivering higher power density. Its products are intended for applications in sectors such as renewable energy, electric vehicles, and consumer electronics, enabling compact and more efficient power conversion and energy management. The company collaborates with industry partners to drive innovation and accelerate adoption of GaN technology in the power semiconductor market.

Ceryx Medical Limited is a biotechnology company based in Bath, United Kingdom, founded in 2016. The company specializes in developing and manufacturing innovative bio-electronic devices that utilize unique, patent-protected chip technology. These devices are designed to mimic Central Pattern Generators (CPGs), which are nerve centers in the body responsible for regulating various autonomic and rhythmical processes, including peristalsis, heart rate, and walking. Ceryx Medical aims to restore normal physiological functions that may be compromised due to disease or injury by employing artificial CPGs in their therapeutic devices.

Founded in London in 2016, Bramble Energy specializes in designing and manufacturing high-performance, low-cost fuel cell stacks using printed circuit board (PCB) technology. Their products cater to stationary, portable, and automotive sectors, with customizable options available.

Symetrica Ltd. is a company that specializes in the development and commercialization of integrated radiation detection and identification technologies. Founded in 2002 and headquartered in Southampton, United Kingdom, with an additional office in Maynard, Massachusetts, Symetrica serves various sectors including military, homeland security, medical diagnostics, geophysical, and space research. The company produces a range of advanced devices, such as handheld and backpack-mounted sensors, vehicle-based detectors, and drive-through scanners, which utilize machine learning to enhance operational effectiveness for security teams. These systems are employed by customs and border protection, law enforcement, military, and emergency services around the world, enabling them to identify threats and respond efficiently.

Founded in London in 2016, Bramble Energy specializes in designing and manufacturing high-performance, low-cost fuel cell stacks using printed circuit board (PCB) technology. Their products cater to stationary, portable, and automotive sectors, with customizable options available.

Ceryx Medical Limited is a biotechnology company based in Bath, United Kingdom, founded in 2016. The company specializes in developing and manufacturing innovative bio-electronic devices that utilize unique, patent-protected chip technology. These devices are designed to mimic Central Pattern Generators (CPGs), which are nerve centers in the body responsible for regulating various autonomic and rhythmical processes, including peristalsis, heart rate, and walking. Ceryx Medical aims to restore normal physiological functions that may be compromised due to disease or injury by employing artificial CPGs in their therapeutic devices.

Symetrica Ltd. is a company that specializes in the development and commercialization of integrated radiation detection and identification technologies. Founded in 2002 and headquartered in Southampton, United Kingdom, with an additional office in Maynard, Massachusetts, Symetrica serves various sectors including military, homeland security, medical diagnostics, geophysical, and space research. The company produces a range of advanced devices, such as handheld and backpack-mounted sensors, vehicle-based detectors, and drive-through scanners, which utilize machine learning to enhance operational effectiveness for security teams. These systems are employed by customs and border protection, law enforcement, military, and emergency services around the world, enabling them to identify threats and respond efficiently.

Flusso Ltd, established in 2016 and headquartered in Cambridge, United Kingdom, specializes in the development and manufacturing of sensor solutions tailored to various industries. The company produces mass flow and air velocity sensors, leveraging proprietary technology to meet specific application needs.

Sorex Sensors designs and manufactures high-sensitivity micro-electro-mechanical system (MEMS) mass sensors based on film bulk acoustic resonator (FBAR) technology. Their products, fabricated on silicon wafers, measure mass down to the femtogram range and temperature with a resolution of 0.2°C, making them suitable for thin film metrology, particulate monitoring, and gas detection applications.

Ilika specializes in accelerating material development for energy and electronics applications using proprietary high-throughput techniques. Its solid-state battery technology powers miniature medical devices, industrial IoT, electric vehicles, and consumer electronics across Asia, Europe, North America, and the UK.

Paragraf is a UK-based company specializing in graphene technology. Established in 2015, it focuses on developing high-purity graphene products for commercial applications, particularly in electronics. The company produces graphene electronic devices and sensors using contamination-free technology.

Porotech is a Cambridge University spin-out focused on developing wide-bandgap compound gallium nitride (GaN) semiconductors. It aims to revolutionize the electronics industry by applying advanced material technologies to unlock GaN's full potential, enabling more efficient light-emitting diodes and other electronic devices.

YASA Motors Ltd. specializes in the manufacture of axial flux motors and generators tailored for electric and hybrid vehicles, as well as for various industrial applications. Established in 2009, the company produces a range of electric motors, including low-speed high-torque models and those designed for higher speed and power applications. YASA's innovative motor technology is particularly suited for sectors such as automotive, aerospace, marine, and construction equipment, where it addresses needs for traction, propulsion, and power generation. In addition to standard products, YASA offers custom motor solutions and consultancy services, which encompass electrical architecture design and thermal modeling. The company operates from its headquarters in Yarnton, United Kingdom, where it focuses on developing efficient, lightweight motors that meet the increasing global demand for reduced emissions and improved energy efficiency across multiple industries.

Paragraf is a UK-based company specializing in graphene technology. Established in 2015, it focuses on developing high-purity graphene products for commercial applications, particularly in electronics. The company produces graphene electronic devices and sensors using contamination-free technology.

Symetrica Ltd. is a company that specializes in the development and commercialization of integrated radiation detection and identification technologies. Founded in 2002 and headquartered in Southampton, United Kingdom, with an additional office in Maynard, Massachusetts, Symetrica serves various sectors including military, homeland security, medical diagnostics, geophysical, and space research. The company produces a range of advanced devices, such as handheld and backpack-mounted sensors, vehicle-based detectors, and drive-through scanners, which utilize machine learning to enhance operational effectiveness for security teams. These systems are employed by customs and border protection, law enforcement, military, and emergency services around the world, enabling them to identify threats and respond efficiently.

Cambridge GaN Devices develops gallium nitride based power devices and transistors designed to improve energy efficiency in power electronics. The company designs, creates, and commercializes GaN-based semiconductors that achieve faster switching, lower energy losses, and smaller form factors compared with traditional silicon devices while delivering higher power density. Its products are intended for applications in sectors such as renewable energy, electric vehicles, and consumer electronics, enabling compact and more efficient power conversion and energy management. The company collaborates with industry partners to drive innovation and accelerate adoption of GaN technology in the power semiconductor market.

Inductosense is a technology company developing wireless, battery-free sensors that can be permanently attached to structures or products to enable fast, repeatable inspections for cracks, corrosion, and other defects. Its Wireless And Non Destructive (WAND) system uses passive sensors that are powered and read non-contact via inductive coupling from a handheld probe, allowing sensing under coatings, insulation, or repairs and even embedding within materials. The company offers easy-to-install sensors, measurement probes, and data collection or remote monitoring capabilities to monitor internal corrosion and erosion in pipes and vessels at elevated temperatures. Applications include inspection of large structures, composites repair, remote monitoring, and under coatings. Founded in 2015 and based in Bristol, the United Kingdom, the company aims to improve inspection efficiency, reduce costs, and enhance safety by enabling long-term, non-destructive evaluation through continuous monitoring.

Flusso Ltd, established in 2016 and headquartered in Cambridge, United Kingdom, specializes in the development and manufacturing of sensor solutions tailored to various industries. The company produces mass flow and air velocity sensors, leveraging proprietary technology to meet specific application needs.

Proxisense specializes in developing proximity sensors and fluid contamination monitoring systems using eddy current technology. Their real-time turbine blade health monitoring systems extend component lifetimes and reduce maintenance costs, targeting the power and aerospace industries. They also provide reliable fluid monitoring to prevent damage and optimize operating conditions for transportation assets.

Founded in London in 2016, Bramble Energy specializes in designing and manufacturing high-performance, low-cost fuel cell stacks using printed circuit board (PCB) technology. Their products cater to stationary, portable, and automotive sectors, with customizable options available.

Paragraf is a UK-based company specializing in graphene technology. Established in 2015, it focuses on developing high-purity graphene products for commercial applications, particularly in electronics. The company produces graphene electronic devices and sensors using contamination-free technology.

Bodle Technologies, established in 2015 and based in Begbroke, UK, specializes in advanced optoelectronic solutions for displays and smart windows. The company's core product is its proprietary SRD® technology, the world's first solid-state reflective display, which offers ultra-high resolution, vivid color, and video capability with zero energy use for static image storage. This bi-stable reflective display is ideal for wearables, near-eye, and projection-based displays, providing a more natural viewing experience, particularly in outdoor conditions. Additionally, Bodle Technologies develops security coatings that change color under various probing techniques, ensuring unbreakable security features in currencies, ID cards, and official documentation.

Inductosense is a technology company developing wireless, battery-free sensors that can be permanently attached to structures or products to enable fast, repeatable inspections for cracks, corrosion, and other defects. Its Wireless And Non Destructive (WAND) system uses passive sensors that are powered and read non-contact via inductive coupling from a handheld probe, allowing sensing under coatings, insulation, or repairs and even embedding within materials. The company offers easy-to-install sensors, measurement probes, and data collection or remote monitoring capabilities to monitor internal corrosion and erosion in pipes and vessels at elevated temperatures. Applications include inspection of large structures, composites repair, remote monitoring, and under coatings. Founded in 2015 and based in Bristol, the United Kingdom, the company aims to improve inspection efficiency, reduce costs, and enhance safety by enabling long-term, non-destructive evaluation through continuous monitoring.

YASA Motors Ltd. specializes in the manufacture of axial flux motors and generators tailored for electric and hybrid vehicles, as well as for various industrial applications. Established in 2009, the company produces a range of electric motors, including low-speed high-torque models and those designed for higher speed and power applications. YASA's innovative motor technology is particularly suited for sectors such as automotive, aerospace, marine, and construction equipment, where it addresses needs for traction, propulsion, and power generation. In addition to standard products, YASA offers custom motor solutions and consultancy services, which encompass electrical architecture design and thermal modeling. The company operates from its headquarters in Yarnton, United Kingdom, where it focuses on developing efficient, lightweight motors that meet the increasing global demand for reduced emissions and improved energy efficiency across multiple industries.

Proxisense specializes in developing proximity sensors and fluid contamination monitoring systems using eddy current technology. Their real-time turbine blade health monitoring systems extend component lifetimes and reduce maintenance costs, targeting the power and aerospace industries. They also provide reliable fluid monitoring to prevent damage and optimize operating conditions for transportation assets.

Ilika specializes in accelerating material development for energy and electronics applications using proprietary high-throughput techniques. Its solid-state battery technology powers miniature medical devices, industrial IoT, electric vehicles, and consumer electronics across Asia, Europe, North America, and the UK.

8power Limited develops wireless sensor technology for industrial plant applications. Its systems monitor machine conditions across thousands of remote assets in sectors like automotive, civil engineering, and utilities.

YASA Motors Ltd. specializes in the manufacture of axial flux motors and generators tailored for electric and hybrid vehicles, as well as for various industrial applications. Established in 2009, the company produces a range of electric motors, including low-speed high-torque models and those designed for higher speed and power applications. YASA's innovative motor technology is particularly suited for sectors such as automotive, aerospace, marine, and construction equipment, where it addresses needs for traction, propulsion, and power generation. In addition to standard products, YASA offers custom motor solutions and consultancy services, which encompass electrical architecture design and thermal modeling. The company operates from its headquarters in Yarnton, United Kingdom, where it focuses on developing efficient, lightweight motors that meet the increasing global demand for reduced emissions and improved energy efficiency across multiple industries.

Bodle Technologies, established in 2015 and based in Begbroke, UK, specializes in advanced optoelectronic solutions for displays and smart windows. The company's core product is its proprietary SRD® technology, the world's first solid-state reflective display, which offers ultra-high resolution, vivid color, and video capability with zero energy use for static image storage. This bi-stable reflective display is ideal for wearables, near-eye, and projection-based displays, providing a more natural viewing experience, particularly in outdoor conditions. Additionally, Bodle Technologies develops security coatings that change color under various probing techniques, ensuring unbreakable security features in currencies, ID cards, and official documentation.

Cambridge CMOS Sensors Limited is a semiconductor company based in Cambridge, United Kingdom, specializing in the development, manufacturing, and marketing of gas sensor solutions for air quality monitoring and breath analysis applications. Founded in 2008 as a spin-off from Cambridge University, the company produces a range of gas sensors, infrared components, and evaluation kits tailored for consumer and industrial markets, including smartphones, wearables, and smart home devices. Cambridge CMOS Sensors is recognized for its innovative micro hotplate gas-sensor technology, which focuses on monitoring hazardous gases and volatile organic compounds. This technology is designed for miniaturization, resulting in lower power consumption and faster response times, making it suitable for various applications such as smoke alarms, laboratory analysis, medical devices, automobiles, and aviation. The company has a global presence with operations in China, Europe, Japan, Korea, Taiwan, and the United States.

Surrey NanoSystems manufactures nanoscale materials for engineering and product applications, most notably Vantablack, a super-black coating applied to surfaces via vacuum-deposition and post-processing techniques. The coating suppresses stray light and is used in architectural lighting, aesthetic applications, calibration sources, sensors, telescopes, IR imaging systems, spectroscopy, automotive optics, cinematography optics, satellite calibration sources, camera lenses, and related applications. Originating as CEVP, the company began operating in 2006 and is headquartered in Newhaven, United Kingdom.

Cambridge CMOS Sensors Limited is a semiconductor company based in Cambridge, United Kingdom, specializing in the development, manufacturing, and marketing of gas sensor solutions for air quality monitoring and breath analysis applications. Founded in 2008 as a spin-off from Cambridge University, the company produces a range of gas sensors, infrared components, and evaluation kits tailored for consumer and industrial markets, including smartphones, wearables, and smart home devices. Cambridge CMOS Sensors is recognized for its innovative micro hotplate gas-sensor technology, which focuses on monitoring hazardous gases and volatile organic compounds. This technology is designed for miniaturization, resulting in lower power consumption and faster response times, making it suitable for various applications such as smoke alarms, laboratory analysis, medical devices, automobiles, and aviation. The company has a global presence with operations in China, Europe, Japan, Korea, Taiwan, and the United States.

Mode Diagnostics is focused on developing innovative diagnostic products for bowel cancer screening. The company leverages the electrochemical properties of biomarkers to create novel assays suited for both physician offices and consumer self-testing. Its advanced suite of technologies includes assay development techniques, biosensing capabilities, microfabrication, electronics, and wireless communications. Mode's proprietary platform, measure, is designed to be flexible, low-cost, and hygienic, allowing for the easy configuration of health tests. The company's initial product, measure BOWEL HEALTH, significantly enhances existing methods for fecal occult blood testing, representing a notable advancement in bowel cancer screening. Through its user-friendly and medically informative health screening products, Mode Diagnostics aims to improve the efficiency of bowel cancer detection for healthcare providers and consumers alike.

YASA Motors Ltd. specializes in the manufacture of axial flux motors and generators tailored for electric and hybrid vehicles, as well as for various industrial applications. Established in 2009, the company produces a range of electric motors, including low-speed high-torque models and those designed for higher speed and power applications. YASA's innovative motor technology is particularly suited for sectors such as automotive, aerospace, marine, and construction equipment, where it addresses needs for traction, propulsion, and power generation. In addition to standard products, YASA offers custom motor solutions and consultancy services, which encompass electrical architecture design and thermal modeling. The company operates from its headquarters in Yarnton, United Kingdom, where it focuses on developing efficient, lightweight motors that meet the increasing global demand for reduced emissions and improved energy efficiency across multiple industries.

Cambridge CMOS Sensors Limited is a semiconductor company based in Cambridge, United Kingdom, specializing in the development, manufacturing, and marketing of gas sensor solutions for air quality monitoring and breath analysis applications. Founded in 2008 as a spin-off from Cambridge University, the company produces a range of gas sensors, infrared components, and evaluation kits tailored for consumer and industrial markets, including smartphones, wearables, and smart home devices. Cambridge CMOS Sensors is recognized for its innovative micro hotplate gas-sensor technology, which focuses on monitoring hazardous gases and volatile organic compounds. This technology is designed for miniaturization, resulting in lower power consumption and faster response times, making it suitable for various applications such as smoke alarms, laboratory analysis, medical devices, automobiles, and aviation. The company has a global presence with operations in China, Europe, Japan, Korea, Taiwan, and the United States.

Symetrica Ltd. is a company that specializes in the development and commercialization of integrated radiation detection and identification technologies. Founded in 2002 and headquartered in Southampton, United Kingdom, with an additional office in Maynard, Massachusetts, Symetrica serves various sectors including military, homeland security, medical diagnostics, geophysical, and space research. The company produces a range of advanced devices, such as handheld and backpack-mounted sensors, vehicle-based detectors, and drive-through scanners, which utilize machine learning to enhance operational effectiveness for security teams. These systems are employed by customs and border protection, law enforcement, military, and emergency services around the world, enabling them to identify threats and respond efficiently.

Mode Diagnostics is focused on developing innovative diagnostic products for bowel cancer screening. The company leverages the electrochemical properties of biomarkers to create novel assays suited for both physician offices and consumer self-testing. Its advanced suite of technologies includes assay development techniques, biosensing capabilities, microfabrication, electronics, and wireless communications. Mode's proprietary platform, measure, is designed to be flexible, low-cost, and hygienic, allowing for the easy configuration of health tests. The company's initial product, measure BOWEL HEALTH, significantly enhances existing methods for fecal occult blood testing, representing a notable advancement in bowel cancer screening. Through its user-friendly and medically informative health screening products, Mode Diagnostics aims to improve the efficiency of bowel cancer detection for healthcare providers and consumers alike.

Cambridge CMOS Sensors Limited is a semiconductor company based in Cambridge, United Kingdom, specializing in the development, manufacturing, and marketing of gas sensor solutions for air quality monitoring and breath analysis applications. Founded in 2008 as a spin-off from Cambridge University, the company produces a range of gas sensors, infrared components, and evaluation kits tailored for consumer and industrial markets, including smartphones, wearables, and smart home devices. Cambridge CMOS Sensors is recognized for its innovative micro hotplate gas-sensor technology, which focuses on monitoring hazardous gases and volatile organic compounds. This technology is designed for miniaturization, resulting in lower power consumption and faster response times, making it suitable for various applications such as smoke alarms, laboratory analysis, medical devices, automobiles, and aviation. The company has a global presence with operations in China, Europe, Japan, Korea, Taiwan, and the United States.

YASA Motors Ltd. specializes in the manufacture of axial flux motors and generators tailored for electric and hybrid vehicles, as well as for various industrial applications. Established in 2009, the company produces a range of electric motors, including low-speed high-torque models and those designed for higher speed and power applications. YASA's innovative motor technology is particularly suited for sectors such as automotive, aerospace, marine, and construction equipment, where it addresses needs for traction, propulsion, and power generation. In addition to standard products, YASA offers custom motor solutions and consultancy services, which encompass electrical architecture design and thermal modeling. The company operates from its headquarters in Yarnton, United Kingdom, where it focuses on developing efficient, lightweight motors that meet the increasing global demand for reduced emissions and improved energy efficiency across multiple industries.

Surrey NanoSystems manufactures nanoscale materials for engineering and product applications, most notably Vantablack, a super-black coating applied to surfaces via vacuum-deposition and post-processing techniques. The coating suppresses stray light and is used in architectural lighting, aesthetic applications, calibration sources, sensors, telescopes, IR imaging systems, spectroscopy, automotive optics, cinematography optics, satellite calibration sources, camera lenses, and related applications. Originating as CEVP, the company began operating in 2006 and is headquartered in Newhaven, United Kingdom.