Parkwalk Advisors

Abselion specializes in the development of biosensors aimed at enhancing the analysis of biological substances, such as proteins and small molecules, for pharmaceutical research and manufacturing. The company's innovative diagnostic analyzers and kits facilitate the study of biomolecular interactions, including protein interaction analysis. By providing a rapid and cost-effective means of detecting biological materials, Abselion enables researchers to achieve sensitive and near real-time medical diagnoses, thereby simplifying the analytical processes essential for advancing pharmaceutical research.

Flusso Ltd manufactures flow sensor. The company was incorporated in 2016 and is based in Cambridge, United Kingdom.

Sorex Sensors Limited specializes in the design and manufacture of micro-electro-mechanical system (MEMS) mass sensors that utilize film bulk acoustic resonator (FBAR) technology. Founded in 2017 and based in the United Kingdom, the company’s sensors are fabricated on silicon wafers and feature a thin film of piezoelectric material. These devices accurately measure mass by detecting changes in resonant frequency when mass is applied to their surface. Sorex Sensors' products are characterized by their ability to measure mass down to the femtogram range and temperature with a resolution of 0.2 °C. The sensors are compact, energy-efficient, and can be adapted for specific applications through surface functionalization, making them suitable for thin film metrology, particulate monitoring, and gas detection.

Echopoint Medical Ltd is a medical device company based in London, United Kingdom, focused on developing optical-fibre based sensors for use in minimally invasive procedures, particularly in the field of cardiology. Founded in 2018 as a spin-out from University College London, the company aims to enhance precision in the diagnosis and treatment of cardiovascular diseases. By leveraging advancements in fibre optic sensor technology, Echopoint Medical seeks to address significant unmet needs within healthcare, providing devices that offer exceptional sensing and imaging capabilities. These innovations are designed to improve patient outcomes while reducing costs and complications associated with cardiac surgeries.

Inductosense is developing wireless, battery-free, sensors that can be permanently fixed to a product or structure for fast, repeatable inspections of cracks, defects or corrosion. The sensors can operate underneath coatings, insulation or repairs and can also be embedded into a material. They are entirely passive and the power and signal are provided remotely by non-contact inductive coupling from a handheld measurement probe . The technology is referred to as the Wireless And Non Destructive (WAND) system.

Flusso Ltd manufactures flow sensor. The company was incorporated in 2016 and is based in Cambridge, United Kingdom.

Proxisense has developed extreme environment proximity sensors and fluid contamination systems utilising eddy current sensors. The former are finding uses in producing systems which monitor the health of turbine blades in real-time, which can extend component lifetimes and reduce maintenance and downtime costs. Proxisense is targeting the power and aerospace industries for these use cases and is working closely with major OEM players in the fields, including Alstom, Siemens and Rolls-Royce. Contamination of critical fluid systems is a significant issue where transportation assets travel the world and require fuel and lubrication fluids from remote sources. Proxisense’s system can provide real-time, reliable monitoring of these fluids and reduce damage to components, sub-optimal operating conditions and, potentially, system failures.

Silicon Microgravity Limited, founded in 2014 and based in Cambridge, United Kingdom, specializes in developing advanced sensor devices for the oil and gas industry. The company emerged as a spin-out from Cambridge University, where its innovative sensor technology was created in collaboration with BP plc. This technology allows for the high-sensitivity recording of gravity data and the acquisition of seismic data at ultra-low frequencies, enhancing oil recovery and reservoir management. Additionally, Silicon Microgravity's microelectromechanical system sensors are capable of measuring densities deep within reservoirs from boreholes. Beyond the oil and gas sector, the technology also finds applications in the navigation, guidance, and stabilization of intelligent systems for commercial, industrial, and military purposes. The development of these sensors has received significant funding from BP and Innovate UK.

Salunda Limited specializes in the development of contactless sensor technology tailored for monitoring machinery in harsh environments. The company provides a range of innovative products, including inline sensors for measuring the composition of fluids such as oil, water, and gas, as well as downhole inspection tools and oilfield machinery sensors. These sensors enable the detection of wear and failure in critical components, offering precise monitoring of fluid levels in production and test separators, even amid bubbles and froth. Salunda’s technology also includes speed and position sensors applicable in automotive, aerospace, and industrial sectors, which can identify issues like cracks and vibrations in machinery. By utilizing patented technologies, Salunda aims to deliver reliable and accurate measurements essential for the oil industry and other demanding applications. Established in 2004 and formerly known as Oxford RF Sensors Ltd., the company is headquartered in Weston on the Green, United Kingdom.

Inductosense is developing wireless, battery-free, sensors that can be permanently fixed to a product or structure for fast, repeatable inspections of cracks, defects or corrosion. The sensors can operate underneath coatings, insulation or repairs and can also be embedded into a material. They are entirely passive and the power and signal are provided remotely by non-contact inductive coupling from a handheld measurement probe . The technology is referred to as the Wireless And Non Destructive (WAND) system.

Focal Point Positioning Ltd. develops a smartphone-based sensor fusion, machine learning, and signal processing suite to provide satellite positioning capabilities in areas that have until now been unreachable. The company also provides consultancy in the fields of positioning, navigation, and timing to solve problems in the areas of GNSS, GPS-denied positioning, and new quantum technologies for sensing and positioning. It serves defense, security, aerospace, autonomy, telecoms, smartphone tracking, retail and logistics, indoor GNSS, E-911 and E-112, and high integrity GNS markets. The company was founded in 2015 and is based in Cambridge, United Kingdom.

Proxisense has developed extreme environment proximity sensors and fluid contamination systems utilising eddy current sensors. The former are finding uses in producing systems which monitor the health of turbine blades in real-time, which can extend component lifetimes and reduce maintenance and downtime costs. Proxisense is targeting the power and aerospace industries for these use cases and is working closely with major OEM players in the fields, including Alstom, Siemens and Rolls-Royce. Contamination of critical fluid systems is a significant issue where transportation assets travel the world and require fuel and lubrication fluids from remote sources. Proxisense’s system can provide real-time, reliable monitoring of these fluids and reduce damage to components, sub-optimal operating conditions and, potentially, system failures.

Salunda Limited specializes in the development of contactless sensor technology tailored for monitoring machinery in harsh environments. The company provides a range of innovative products, including inline sensors for measuring the composition of fluids such as oil, water, and gas, as well as downhole inspection tools and oilfield machinery sensors. These sensors enable the detection of wear and failure in critical components, offering precise monitoring of fluid levels in production and test separators, even amid bubbles and froth. Salunda’s technology also includes speed and position sensors applicable in automotive, aerospace, and industrial sectors, which can identify issues like cracks and vibrations in machinery. By utilizing patented technologies, Salunda aims to deliver reliable and accurate measurements essential for the oil industry and other demanding applications. Established in 2004 and formerly known as Oxford RF Sensors Ltd., the company is headquartered in Weston on the Green, United Kingdom.

8power Limited manufacture autonomous sensor systems for automotive and transportation, civil engineering, industrial equipment, and utility infrastructure sectors.

Silicon Microgravity Limited, founded in 2014 and based in Cambridge, United Kingdom, specializes in developing advanced sensor devices for the oil and gas industry. The company emerged as a spin-out from Cambridge University, where its innovative sensor technology was created in collaboration with BP plc. This technology allows for the high-sensitivity recording of gravity data and the acquisition of seismic data at ultra-low frequencies, enhancing oil recovery and reservoir management. Additionally, Silicon Microgravity's microelectromechanical system sensors are capable of measuring densities deep within reservoirs from boreholes. Beyond the oil and gas sector, the technology also finds applications in the navigation, guidance, and stabilization of intelligent systems for commercial, industrial, and military purposes. The development of these sensors has received significant funding from BP and Innovate UK.

Cambridge CMOS Sensors (CCS) is an industry leader in sensor technology and a leading manufacturer of sensor solutions and components for monitoring air quality, including hazardous gases and Volatile Organic Compounds (VOCs). Founded in 2008 as a spin-off from Cambridge University, we are revolutionising environmental sensing for health and well-being through a new generation of semiconductor-based sensors. Our technology offers a radical step change in performance, with significantly lower power consumption, ultra-fast response time, embedded intelligence and ultra-small form factor.

Salunda Limited specializes in the development of contactless sensor technology tailored for monitoring machinery in harsh environments. The company provides a range of innovative products, including inline sensors for measuring the composition of fluids such as oil, water, and gas, as well as downhole inspection tools and oilfield machinery sensors. These sensors enable the detection of wear and failure in critical components, offering precise monitoring of fluid levels in production and test separators, even amid bubbles and froth. Salunda’s technology also includes speed and position sensors applicable in automotive, aerospace, and industrial sectors, which can identify issues like cracks and vibrations in machinery. By utilizing patented technologies, Salunda aims to deliver reliable and accurate measurements essential for the oil industry and other demanding applications. Established in 2004 and formerly known as Oxford RF Sensors Ltd., the company is headquartered in Weston on the Green, United Kingdom.

Cambridge CMOS Sensors (CCS) is an industry leader in sensor technology and a leading manufacturer of sensor solutions and components for monitoring air quality, including hazardous gases and Volatile Organic Compounds (VOCs). Founded in 2008 as a spin-off from Cambridge University, we are revolutionising environmental sensing for health and well-being through a new generation of semiconductor-based sensors. Our technology offers a radical step change in performance, with significantly lower power consumption, ultra-fast response time, embedded intelligence and ultra-small form factor.

Cambridge CMOS Sensors (CCS) is an industry leader in sensor technology and a leading manufacturer of sensor solutions and components for monitoring air quality, including hazardous gases and Volatile Organic Compounds (VOCs). Founded in 2008 as a spin-off from Cambridge University, we are revolutionising environmental sensing for health and well-being through a new generation of semiconductor-based sensors. Our technology offers a radical step change in performance, with significantly lower power consumption, ultra-fast response time, embedded intelligence and ultra-small form factor.

Cambridge CMOS Sensors (CCS) is an industry leader in sensor technology and a leading manufacturer of sensor solutions and components for monitoring air quality, including hazardous gases and Volatile Organic Compounds (VOCs). Founded in 2008 as a spin-off from Cambridge University, we are revolutionising environmental sensing for health and well-being through a new generation of semiconductor-based sensors. Our technology offers a radical step change in performance, with significantly lower power consumption, ultra-fast response time, embedded intelligence and ultra-small form factor.