Northern Gritstone
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Investment Portfolio
Pixel-Flo raises a £5.3m seed round led by Northern Gritstone to tackle critical bottleneck in MicroLED manufacturing
Pixel-Flo develops a Continuous-Flow Mass Transfer technology that addresses a critical bottleneck in MicroLED display manufacturing. Its proprietary fluidic self-assembly process delivers high continuous throughput at radically reduced processing and material cost, allowing MicroLED-enabled products from smartwatches to TVs to reach mass market price points.
Silveray lands £5m Series A led by PXN Ventures to scale ultra-thin flexible X-ray film technology
Silveray has developed a flexible Digital X-ray Film (DXF®) that produces high-quality radiographic images using ultra-thin, lightweight detectors that can conform to curved surfaces. The technology is designed to replace conventional rigid X-ray detectors in both industrial inspection and medical imaging applications.
Imperagen secures a £5m seed round led by PXN Ventures to accelerate the process of enzyme engineering
Imperagen is a techbio startup developing a closed-loop enzyme engineering platform for pharmaceutical manufacturing, personal care and sustainable chemical production. The platform combines quantum physics simulations, AI modelling and laboratory automation to improve enzyme performance faster than traditional screening methods.
Iceotope raises £19m Series B led by Two Seas Capital and Barclays Climate Ventures for liquid cooling systems for AI data infrastructure
Iceotope develops precision liquid cooling technology for data centres and edge infrastructure. Its systems are designed to help AI and high-performance computing hardware operate efficiently while reducing energy use and water consumption for cooling.
AmpliSi secures a £2m pre-seed round led by Northern Gritstone and Clean Growth Fund to improve battery charge performance with silicon anodes
AmpliSi develops porous silicon materials for lithium-ion battery anodes. Its technology replaces graphite with silicon to improve battery energy density, charging performance and efficiency for applications such as electric vehicles and energy storage systems.
Cytotrait secures a £3m seed round led by Northern Gritstone to develop novel genetic traits for crops
Cytotrait develops genetic engineering technology designed to introduce new traits into crops. Its platform targets chloroplasts and mitochondria to enable localised, high-level gene expression for crop improvement.
Optalysys raises £23m in a Series A extension led by Northern Gritstone to challenge conventional computing with photonic chips
Optalysys builds photonic computing chips that process and move data using light, aiming to overcome power and performance limits of electronic computing for AI, encryption and next-generation cloud workloads.
IVFmicro raises £3.5m in pre-seed funding led by Northern Gritstone to improve IVF success rates
IVFmicro develops a microfluidic device that improves embryo culture in IVF treatment, increasing the number and quality of embryos while reducing handling and variability in fertility clinics.
Sitehop lands £7.5m in new funding led by Northern Gritstone to advance encryption for quantum cyber threats
Sitehop develops hardware-based encryption systems that protect data at ultra-low latency, enabling networks to remain secure against future quantum cyber threats without sacrificing performance or efficiency.
PhovIR raises £4m seed round led by Northern Gritstone to develop deeptech optical sensor technology
PhovIR develops compact near-infrared optical sensors manufactured on silicon chips, enabling low-cost material identification for use in health, safety, agriculture and consumer devices.
Literal Labs raises £4.6m seed led by Northern Gritstone for logic-based AI that is faster and more energy efficient than neural networks
Literal Labs develops logic-based AI using Tsetlin machines, offering faster, more energy-efficient and explainable alternatives to neural networks for industrial and enterprise machine learning applications.
Phlux Technology raises £9m Series A led by BGF to expand infrared sensor tech for comms and sensing markets
Phlux Technology designs infrared sensors based on novel semiconductor materials, improving sensitivity and energy efficiency for optical communications, sensing and safety applications across industrial and connectivity markets.
BOW raises a £4m seed round led by Northern Gritstone for its ground-breaking robotics software platform
BOW develops robot-agnostic software that allows developers to build applications once and deploy them across different robots, reducing the cost and complexity of programming machines used in industrial, commercial and research settings.
Northern Gritstone leads £5m Series A round into aftersales technology platform Partful
Partful develops interactive 3D aftersales software that helps manufacturers and dealers identify parts, access instructions and order components more efficiently.
Exciting Instruments raises £4m seed led by Northern Gritstone to revolutionise single-molecule detection for drug discovery
Exciting Instruments develops a single-molecule detection platform that makes advanced microscopy more accessible, enabling researchers and pharmaceutical teams to analyse individual molecules at scale for drug discovery and diagnostics.
X-ray technology innovator Silveray lands £4m seed led by Northern Gritstone to launch its first product next year
Silveray develops flexible digital X-ray detector technology using semiconductor inks, enabling new industrial and medical imaging applications that require curved or adaptable detector shapes.
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