Parkwalk Advisors

Cambridge GaN Devices specializes in the design, development, and commercialization of gallium nitride (GaN) power devices aimed at enhancing energy efficiency across various electronic applications. The company produces a range of GaN-based semiconductor products that significantly improve power conversion and minimize energy loss in systems used in sectors such as renewable energy, electric vehicles, and consumer electronics. These transistors are characterized by their speed, reduced power loss, smaller size compared to traditional silicon alternatives, and greater energy storage and conversion capabilities. By collaborating with industry partners, Cambridge GaN Devices promotes innovation and facilitates the adoption of its advanced technology within the power semiconductor market, contributing to the advancement of greener technologies.

Proxisense is a manufacturer and developer specializing in extreme environment proximity sensors and fluid contamination systems. Utilizing advanced eddy current sensors, the company focuses on providing real-time monitoring solutions for critical applications, particularly in the power and aerospace industries. Proxisense's technology is designed to monitor the health of turbine blades, which helps extend component lifetimes and reduce maintenance and downtime costs. The company addresses significant challenges in fluid contamination, offering reliable monitoring systems that protect transportation assets requiring fuel and lubrication from various sources. By collaborating closely with leading original equipment manufacturers, Proxisense aims to enhance the performance and efficiency of complex rotating equipment, ultimately contributing to the prediction and prevention of costly equipment failures.

Zomp is a provider of consumer electronics.

Cambridge GaN Devices specializes in the design, development, and commercialization of gallium nitride (GaN) power devices aimed at enhancing energy efficiency across various electronic applications. The company produces a range of GaN-based semiconductor products that significantly improve power conversion and minimize energy loss in systems used in sectors such as renewable energy, electric vehicles, and consumer electronics. These transistors are characterized by their speed, reduced power loss, smaller size compared to traditional silicon alternatives, and greater energy storage and conversion capabilities. By collaborating with industry partners, Cambridge GaN Devices promotes innovation and facilitates the adoption of its advanced technology within the power semiconductor market, contributing to the advancement of greener technologies.

Paragraf Ltd. is a UK-based company established in 2015, specializing in the development and production of graphene-based electronic devices and materials. The company employs contamination-free technology to create high-purity graphene products, which are designed to enhance the performance of various electronic applications. Paragraf's innovations include devices for green energy generation, such as solar photovoltaic cells, as well as advanced sensors for monitoring environmental and health-related parameters. These products aim to optimize process and quality control across industries including electronics, energy, healthcare, and agriculture. By leveraging graphene's unique properties, Paragraf seeks to significantly impact the electronics industry and contribute to advancements in automation and disease research.

Bramble Energy Ltd. is a London-based company that designs, develops, and manufactures printed circuit board fuel cells (PCBFC), specifically proton exchange membrane fuel cells (PEMFCs). Founded in 2016, the company utilizes innovative PCB technology to create high-performance and cost-effective fuel cell stacks, including variants of 20 W, 500 W, and 5 kW, along with custom-designed options. By leveraging the capabilities of the global high-volume PCB industry, Bramble Energy stands out as the first fuel cell manufacturer with the capacity to produce gigawatts of fuel cell hardware, a feat that has eluded the battery industry for years. The company's products serve various sectors, including stationary, portable, and automotive applications, offering businesses and energy industry players access to efficient solutions that help reduce energy consumption and lower carbon emissions.

Paragraf Ltd. is a UK-based company established in 2015, specializing in the development and production of graphene-based electronic devices and materials. The company employs contamination-free technology to create high-purity graphene products, which are designed to enhance the performance of various electronic applications. Paragraf's innovations include devices for green energy generation, such as solar photovoltaic cells, as well as advanced sensors for monitoring environmental and health-related parameters. These products aim to optimize process and quality control across industries including electronics, energy, healthcare, and agriculture. By leveraging graphene's unique properties, Paragraf seeks to significantly impact the electronics industry and contribute to advancements in automation and disease research.

Porotech is a spin-out from the University of Cambridge that specializes in the development of wide-bandgap gallium nitride (GaN) semiconductors. Co-founded by Dr. Tongtong Zhu, Dr. Yingjun Liu, and Prof. Rachel Oliver, the company focuses on applying advanced material technologies to maximize the potential of GaN. This innovation aims to transform the electronics industry by enhancing the efficiency of light-emitting diodes and other electronic devices, thereby enabling a wide range of applications. Through its cutting-edge approaches, Porotech is positioned to contribute significantly to the advancement of energy-efficient semiconductor solutions.

Cambridge GaN Devices specializes in the design, development, and commercialization of gallium nitride (GaN) power devices aimed at enhancing energy efficiency across various electronic applications. The company produces a range of GaN-based semiconductor products that significantly improve power conversion and minimize energy loss in systems used in sectors such as renewable energy, electric vehicles, and consumer electronics. These transistors are characterized by their speed, reduced power loss, smaller size compared to traditional silicon alternatives, and greater energy storage and conversion capabilities. By collaborating with industry partners, Cambridge GaN Devices promotes innovation and facilitates the adoption of its advanced technology within the power semiconductor market, contributing to the advancement of greener technologies.

Bramble Energy Ltd. is a London-based company that designs, develops, and manufactures printed circuit board fuel cells (PCBFC), specifically proton exchange membrane fuel cells (PEMFCs). Founded in 2016, the company utilizes innovative PCB technology to create high-performance and cost-effective fuel cell stacks, including variants of 20 W, 500 W, and 5 kW, along with custom-designed options. By leveraging the capabilities of the global high-volume PCB industry, Bramble Energy stands out as the first fuel cell manufacturer with the capacity to produce gigawatts of fuel cell hardware, a feat that has eluded the battery industry for years. The company's products serve various sectors, including stationary, portable, and automotive applications, offering businesses and energy industry players access to efficient solutions that help reduce energy consumption and lower carbon emissions.

Bramble Energy Ltd. is a London-based company that designs, develops, and manufactures printed circuit board fuel cells (PCBFC), specifically proton exchange membrane fuel cells (PEMFCs). Founded in 2016, the company utilizes innovative PCB technology to create high-performance and cost-effective fuel cell stacks, including variants of 20 W, 500 W, and 5 kW, along with custom-designed options. By leveraging the capabilities of the global high-volume PCB industry, Bramble Energy stands out as the first fuel cell manufacturer with the capacity to produce gigawatts of fuel cell hardware, a feat that has eluded the battery industry for years. The company's products serve various sectors, including stationary, portable, and automotive applications, offering businesses and energy industry players access to efficient solutions that help reduce energy consumption and lower carbon emissions.

Sorex Sensors Limited specializes in the design and manufacturing of film bulk acoustic resonator (FBAR) technology-based micro-electro-mechanical system (MEMS) mass sensors for various industrial and consumer applications. Established in 2017 and headquartered in the United Kingdom, the company fabricates its devices on silicon wafers, utilizing a thin film of piezoelectric material. This innovative technology enables the sensors to measure mass by detecting changes in resonant frequency when mass is applied to the surface. Sorex's products are characterized by their ability to measure mass down to the femtogram range, simultaneous mass and temperature measurements with high sensitivity, and low power consumption. The sensors are particularly effective for thin film metrology, particulate monitoring, and gas detection, making them suitable for applications that require precise detection of small masses in compact form factors. Additionally, the functionalization of the sensor surfaces allows for selective detection of specific targets, enhancing their utility in various environments.

Ilika plc, established in 2010 and headquartered in Romsey, UK, specializes in the design, development, and production of solid-state batteries. The company's patented, high-throughput techniques accelerate the creation of new materials for energy and electronics applications, enabling it to test and characterize functional materials up to 100 times faster than traditional methods. Ilika's product portfolio includes Stereax micro batteries for Industrial IoT and MedTech markets, and Goliath large format batteries for electric vehicles and consumer electronics. It collaborates with international blue-chip companies, providing customizable solutions that offer advantages such as smaller footprint, high energy density, non-toxic materials, faster charging, increased cycle life, low leakage, and reduced flammability compared to conventional lithium-ion batteries.

Paragraf Ltd. is a UK-based company established in 2015, specializing in the development and production of graphene-based electronic devices and materials. The company employs contamination-free technology to create high-purity graphene products, which are designed to enhance the performance of various electronic applications. Paragraf's innovations include devices for green energy generation, such as solar photovoltaic cells, as well as advanced sensors for monitoring environmental and health-related parameters. These products aim to optimize process and quality control across industries including electronics, energy, healthcare, and agriculture. By leveraging graphene's unique properties, Paragraf seeks to significantly impact the electronics industry and contribute to advancements in automation and disease research.

Porotech is a spin-out from the University of Cambridge that specializes in the development of wide-bandgap gallium nitride (GaN) semiconductors. Co-founded by Dr. Tongtong Zhu, Dr. Yingjun Liu, and Prof. Rachel Oliver, the company focuses on applying advanced material technologies to maximize the potential of GaN. This innovation aims to transform the electronics industry by enhancing the efficiency of light-emitting diodes and other electronic devices, thereby enabling a wide range of applications. Through its cutting-edge approaches, Porotech is positioned to contribute significantly to the advancement of energy-efficient semiconductor solutions.

Paragraf Ltd. is a UK-based company established in 2015, specializing in the development and production of graphene-based electronic devices and materials. The company employs contamination-free technology to create high-purity graphene products, which are designed to enhance the performance of various electronic applications. Paragraf's innovations include devices for green energy generation, such as solar photovoltaic cells, as well as advanced sensors for monitoring environmental and health-related parameters. These products aim to optimize process and quality control across industries including electronics, energy, healthcare, and agriculture. By leveraging graphene's unique properties, Paragraf seeks to significantly impact the electronics industry and contribute to advancements in automation and disease research.

Cambridge GaN Devices specializes in the design, development, and commercialization of gallium nitride (GaN) power devices aimed at enhancing energy efficiency across various electronic applications. The company produces a range of GaN-based semiconductor products that significantly improve power conversion and minimize energy loss in systems used in sectors such as renewable energy, electric vehicles, and consumer electronics. These transistors are characterized by their speed, reduced power loss, smaller size compared to traditional silicon alternatives, and greater energy storage and conversion capabilities. By collaborating with industry partners, Cambridge GaN Devices promotes innovation and facilitates the adoption of its advanced technology within the power semiconductor market, contributing to the advancement of greener technologies.

Inductosense Ltd is a manufacturer based in Bristol, United Kingdom, specializing in wireless and battery-free sensors designed for the detection of cracks, corrosion, and defects in various structures and products. Founded in 2015, the company offers innovative solutions such as the WAND Evaluation System, which includes a set of sensors, a handheld measurement probe, and a sensor fixing kit for measuring structural thickness. Additionally, Inductosense develops TRND systems for monitoring internal corrosion and erosion in pipework and vessels. The sensors can be permanently affixed to surfaces and are capable of operating beneath coatings, insulation, or repairs. They utilize a passive technology that relies on non-contact inductive coupling to receive power and transmit signals, allowing for fast and repeatable inspections. Inductosense's products are applicable in the inspection of large structures, composite repairs, and remote monitoring, providing clients with reliable data for maintenance and safety assessments.

Perpetuum Ltd. is a company based in Southampton, United Kingdom, that specializes in the engineering, manufacturing, and commercialization of electromagnetic vibration harvesting micro generators. Founded in 2004 as a technology spin-off from the University of Southampton, Perpetuum has developed innovative self-powered wireless sensor solutions designed for condition monitoring in various industries, including rail, oil and gas, chemicals, and power generation. Its flagship products convert mechanical vibration into electrical energy, allowing for the operation of autonomous, maintenance-free wireless sensor nodes that transmit critical data on equipment health and performance. Perpetuum is recognized as the global leader in vibration energy harvesting, continually advancing the practical applications of this technology to enhance operational efficiency and safety in industrial environments.

Proxisense is a manufacturer and developer specializing in extreme environment proximity sensors and fluid contamination systems. Utilizing advanced eddy current sensors, the company focuses on providing real-time monitoring solutions for critical applications, particularly in the power and aerospace industries. Proxisense's technology is designed to monitor the health of turbine blades, which helps extend component lifetimes and reduce maintenance and downtime costs. The company addresses significant challenges in fluid contamination, offering reliable monitoring systems that protect transportation assets requiring fuel and lubrication from various sources. By collaborating closely with leading original equipment manufacturers, Proxisense aims to enhance the performance and efficiency of complex rotating equipment, ultimately contributing to the prediction and prevention of costly equipment failures.

Bramble Energy Ltd. is a London-based company that designs, develops, and manufactures printed circuit board fuel cells (PCBFC), specifically proton exchange membrane fuel cells (PEMFCs). Founded in 2016, the company utilizes innovative PCB technology to create high-performance and cost-effective fuel cell stacks, including variants of 20 W, 500 W, and 5 kW, along with custom-designed options. By leveraging the capabilities of the global high-volume PCB industry, Bramble Energy stands out as the first fuel cell manufacturer with the capacity to produce gigawatts of fuel cell hardware, a feat that has eluded the battery industry for years. The company's products serve various sectors, including stationary, portable, and automotive applications, offering businesses and energy industry players access to efficient solutions that help reduce energy consumption and lower carbon emissions.

Paragraf Ltd. is a UK-based company established in 2015, specializing in the development and production of graphene-based electronic devices and materials. The company employs contamination-free technology to create high-purity graphene products, which are designed to enhance the performance of various electronic applications. Paragraf's innovations include devices for green energy generation, such as solar photovoltaic cells, as well as advanced sensors for monitoring environmental and health-related parameters. These products aim to optimize process and quality control across industries including electronics, energy, healthcare, and agriculture. By leveraging graphene's unique properties, Paragraf seeks to significantly impact the electronics industry and contribute to advancements in automation and disease research.

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 Ltd is a manufacturer based in Bristol, United Kingdom, specializing in wireless and battery-free sensors designed for the detection of cracks, corrosion, and defects in various structures and products. Founded in 2015, the company offers innovative solutions such as the WAND Evaluation System, which includes a set of sensors, a handheld measurement probe, and a sensor fixing kit for measuring structural thickness. Additionally, Inductosense develops TRND systems for monitoring internal corrosion and erosion in pipework and vessels. The sensors can be permanently affixed to surfaces and are capable of operating beneath coatings, insulation, or repairs. They utilize a passive technology that relies on non-contact inductive coupling to receive power and transmit signals, allowing for fast and repeatable inspections. Inductosense's products are applicable in the inspection of large structures, composite repairs, and remote monitoring, providing clients with reliable data for maintenance and safety assessments.

Proxisense is a manufacturer and developer specializing in extreme environment proximity sensors and fluid contamination systems. Utilizing advanced eddy current sensors, the company focuses on providing real-time monitoring solutions for critical applications, particularly in the power and aerospace industries. Proxisense's technology is designed to monitor the health of turbine blades, which helps extend component lifetimes and reduce maintenance and downtime costs. The company addresses significant challenges in fluid contamination, offering reliable monitoring systems that protect transportation assets requiring fuel and lubrication from various sources. By collaborating closely with leading original equipment manufacturers, Proxisense aims to enhance the performance and efficiency of complex rotating equipment, ultimately contributing to the prediction and prevention of costly equipment failures.

Ilika plc, established in 2010 and headquartered in Romsey, UK, specializes in the design, development, and production of solid-state batteries. The company's patented, high-throughput techniques accelerate the creation of new materials for energy and electronics applications, enabling it to test and characterize functional materials up to 100 times faster than traditional methods. Ilika's product portfolio includes Stereax micro batteries for Industrial IoT and MedTech markets, and Goliath large format batteries for electric vehicles and consumer electronics. It collaborates with international blue-chip companies, providing customizable solutions that offer advantages such as smaller footprint, high energy density, non-toxic materials, faster charging, increased cycle life, low leakage, and reduced flammability compared to conventional lithium-ion batteries.

8Power Limited specializes in the manufacture of autonomous sensor systems tailored for various sectors, including automotive, transportation, civil engineering, industrial equipment, and utility infrastructure. The company has developed a wireless sensor technology that provides real-time condition monitoring data and analytics, allowing industrial clients to continuously monitor the performance of their assets. This technology is particularly effective for managing thousands of remote assets, such as pumps, motors, and gearboxes, facilitating machine condition monitoring at a lower cost. 8Power's solutions are designed for easy installation and application across industries such as water and waste treatment, manufacturing, and oil and gas, enhancing operational efficiency and asset management.

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 Limited is a manufacturer of nanoscale materials, specializing in advanced super-black coatings, most notably Vantablack. This unique coating is applied using vacuum-deposition technology and is designed for a variety of applications, including stray light suppression, sensors, telescopes, and architectural lighting. Vantablack enhances the performance of electro-optical imaging systems in sectors such as space and defense, automotive safety, and luxury goods. The company also provides solutions for calibration sources and aesthetic applications in cinematography and architecture. Founded in 2006 and headquartered in Newhaven, United Kingdom, Surrey NanoSystems was originally known as CEVP Limited before rebranding in December 2006.

Perpetuum Ltd. is a company based in Southampton, United Kingdom, that specializes in the engineering, manufacturing, and commercialization of electromagnetic vibration harvesting micro generators. Founded in 2004 as a technology spin-off from the University of Southampton, Perpetuum has developed innovative self-powered wireless sensor solutions designed for condition monitoring in various industries, including rail, oil and gas, chemicals, and power generation. Its flagship products convert mechanical vibration into electrical energy, allowing for the operation of autonomous, maintenance-free wireless sensor nodes that transmit critical data on equipment health and performance. Perpetuum is recognized as the global leader in vibration energy harvesting, continually advancing the practical applications of this technology to enhance operational efficiency and safety in industrial environments.

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.

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.

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 Limited is a manufacturer of nanoscale materials, specializing in advanced super-black coatings, most notably Vantablack. This unique coating is applied using vacuum-deposition technology and is designed for a variety of applications, including stray light suppression, sensors, telescopes, and architectural lighting. Vantablack enhances the performance of electro-optical imaging systems in sectors such as space and defense, automotive safety, and luxury goods. The company also provides solutions for calibration sources and aesthetic applications in cinematography and architecture. Founded in 2006 and headquartered in Newhaven, United Kingdom, Surrey NanoSystems was originally known as CEVP Limited before rebranding in December 2006.