UK DeepTech Funding Rounds: April 2026

In April 2026, we detected 37 UK DeepTech equity rounds from Companies House SH01 filings. Total new shares allotted: £59.3M, median round size £213k.

The largest was Ro-Ark Aerospace Limited (£22.0M).

The Rounds

Ro-Ark Aerospace Limited — £22.0M, 2026/04/04

Ro-Ark Aerospace develops and deploys autonomous defense systems and sensor networks, specializing in drone detection and disruption systems offered as a "detection as a service" model. Their target market… View profile →

Astral Neutronics Ltd — £9.2M, 2026/04/14

Astral Neutronics, operating as Astral Systems, develops and manufactures compact nuclear fusion reactors utilizing Multi-State Fusion technology. These reactors are designed to produce on-demand radioisotopes for… View profile →

Galvani Bioelectronics Limited — £5.3M, 2026/04/15

Galvani Bioelectronics is a medical research company focused on developing bioelectronic medicines to treat chronic diseases. The company develops implant-based therapies designed to modulate specific neural… View profile →

Sentinel Photonics Limited — £3.7M, 2026/04/28

Sentinel Photonics develops and provides advanced laser detection and protection systems, including the LASERD® and FROST® product lines. These systems are designed to safeguard military, homeland security, and… View profile →

Cytotrait Limited — £3.4M, Seed, 2026/04/01

Cytotrait is a biotechnology company that develops novel traits for food and agriculture using its proprietary Mutant Organelle Selection System (MOSS) technology. This technology reprograms chloroplast and… View profile →

Occuity Ltd — £2.8M, 2026/04/08

Occuity specializes in the research, design, and production of handheld non-contact optical instruments for healthcare screening and monitoring. These devices use light to measure structures within the eye to detect… View profile →

Sci Semiconductor Limited — £2.4M, 2026/04/22

Sci Semiconductor develops advanced, cybersecurity-focused semiconductor solutions, including the "ICENI" family of high-integrity microcontrollers that utilize memory safety CHERI technology for… View profile →

Zero Petroleum Limited — £2.2M, 2026/04/23

Zero Petroleum manufactures synthetic petrol, diesel, and jet fuel using air and water, targeting industries like aviation, heavy plant, and agriculture seeking fossil-free alternatives. The company's fuels are… View profile →

Resurrect Bio Ltd — £1.6M, Series a, 2026/04/17

Resurrect Bio is an agricultural biotechnology company that develops disease-resistant crops by using a proprietary gene editing platform and AI to resurrect native plant immune genes. The company provides the seed… View profile →

Quantum Science Ltd — £1.0M, 2026/04/02

Quantum Science is a nanomaterial technology company that develops and commercializes advanced INFIQ® quantum dot materials and inks for infrared imaging and sensing applications. These materials are utilized across… View profile →

Scarlet Therapeutics Limited — £945k, 2026/04/30

Scarlet Therapeutics develops a proprietary platform that generates novel red blood cell-based therapeutics (tRBCs) designed to carry therapeutic proteins. These tRBCs are initially aimed at treating rare… View profile →

Eta Green Power Limited — £650k, 2026/04/23

Eta Green Power develops and licenses advanced electric drive systems, including motors, controllers, and inverters, designed to replace traditional internal combustion engines and mechanical/hydraulic systems.… View profile →

Phast Limited — £500k, 2026/04/09

Phast is a biotechnology company that conducts research and experimental development within the field of biotechnology. The company focuses on the systematic study and development of biotechnological innovations… View profile →

New Motion Labs Ltd. — £473k, 2026/04/22

New Motion Labs is a mechanical engineering IP licensing company that develops and licenses its patented Enduo sprocket tooth profile technology. This technology re-engineers traditional chain drives to reduce… View profile →

Sonotarg Limited — £375k, 2026/04/02

Sonotarg is a biotechnology company that develops innovative microbubble and ultrasound technologies for precise, image-guided delivery of cancer therapies. Their product combines sonodynamic therapy and… View profile →

Invenirex Ltd — £286k, 2026/04/28

Invenirex develops a DNA nanotechnology platform that utilizes programmable DNA nanostructures and an AI-powered reader to detect and quantify DNA and RNA at the single-molecule level. This technology aims to… View profile →

Spaceflux Ltd — £257k, Seed, 2026/04/08

Spaceflux is a UK-based company that provides Space Domain Awareness (SDA) and Space Situational Awareness (SSA) services. They utilize a proprietary global network of optical sensors and an AI-driven analytics… View profile →

Cellexcel Ltd — £250k, 2026/04/20

Cellexcel develops patented technology for chemically modifying biomaterials to enhance properties like water resistance, enabling their use in demanding applications. The company targets OEMs and product… View profile →

Neurotherapeutics Ltd — £213k, Seed, 2026/04/21

Neurotherapeutics, operating under the name Neupulse, is a neurotechnology company that develops non-invasive neuromodulation solutions. The company's primary product is a wearable wrist-worn device designed to… View profile →

Farx Group Limited — £202k, 2026/04/30

Farx Group specializes in advanced machine learning technology that provides continuous multi-factor biometric recognition by fusing speaker, speech, and face recognition. This technology facilitates identity… View profile →

Newlenoir Limited — £166k, 2026/04/23

Newlenoir is involved in other engineering activities and other research and experimental development on natural sciences and engineering. The company holds patents for a piston arrangement and an internal… View profile →

Wd Hydrotech Limited — £159k, 2026/04/23

Wd Hydrotech is a research and development company that develops green hydrogen electrolyser and hydrogen gas compressor technology. Their modular H2G system generates and compresses green hydrogen for… View profile →

Polycatuk Ltd — £157k, 2026/04/30

Polycatuk develops and supplies specialized dry powder formulations, such as Spill-CAT, designed to immobilize and detoxify hazardous chemical materials and chemical warfare agents. The company provides these… View profile →

Molendotech Limited — £145k, 2026/04/20

Molendotech develops rapid, real-time bacterial contamination tests, such as Bacterisk and Bactiquick, for water quality assessment. Their target market includes water industry professionals, environmental… View profile →

Lir Labs Ltd — £125k, 2026/04/07

Lir Labs develops AI-powered microscopy and automated sensing technology for real-time water quality and biological process monitoring. The company provides these solutions to private water utilities, environmental… View profile →

Hexseed Technology Limited — £114k, 2026/04/01

Hexseed Technology is a carbon capture and utilization (CCU) integrated producer that transforms captured CO₂ into high-value supermaterials, specifically low-carbon, lab-grown industrial diamonds. These… View profile →

The Diamond Growing Company Ltd — £109k, 2026/04/03

The Diamond Growing Company engages in engineering design activities for industrial processes and production, as well as engineering-related scientific and technical consulting activities. The company also conducts… View profile →

Fotenix Limited — £100k, 2026/04/03

Fotenix develops cutting-edge imaging systems and AI-driven analytical software for agriculture. These systems provide real-time crop monitoring, disease detection, quality control, and resource targeting for… View profile →

Process Vision Ltd — £100k, 2026/04/28

Process Vision develops and provides innovative image processing technology and systems for the energy industry, focusing on the detection of contaminants like hydrate, wax, and other foreign materials in oil,… View profile →

Aspcold Limited — £80k, 2026/04/01

Aspcold develops a zero-waste solution for alum sludge, a by-product of the water treatment process, transforming it into a dry, reusable material for potential use in sustainable construction applications.… View profile →

Solaris Biolabs Ltd — £74k, 2026/04/14

Solaris Biolabs develops clinically potent crops within advanced vertical-farming systems, utilizing their modular "BioCube" controlled-environment agriculture units. They produce high-value ingredients for the… View profile →

Nautexe Global Limited — £60k, 2026/04/29

Nautexe Global operates at the intersection of the Defence, Energy, Maritime, and Space sectors, providing strategic consultancy and training to manage innovation risks and build resilient teams. The company is… View profile →

Mantis Geophysics Limited — £50k, 2026/04/22

Mantis Geophysics engages in business and domestic software development, engineering-related scientific and technical consulting activities, and other research and experimental development on natural sciences… View profile →

Nomad Neuroscience Ltd — £25k, 2026/04/17

Nomad Neuroscience engineers non-invasive, closed-loop neuromodulation wearables designed to optimize the autonomic nervous system in real-time. Their target market includes individuals experiencing autonomic… View profile →

Thinkclock Ltd — £25k, 2026/04/29

Thinkclock offers battery prototyping services powered by Digital Twins and provides in-depth battery health analytics using spectroscopic techniques. The company also offers fully characterized recycled cells for… View profile →

Nyobolt Limited — £15k, 2026/04/23

Nyobolt develops high-power, ultra-fast charging lithium-ion batteries and integrated energy systems. These solutions are designed for applications requiring rapid charging and long operational life, targeting… View profile →

Poindexter Labs Ltd — £13k, Seed, 2026/04/23

Poindexter Labs creates olympiad-grade STEM datasets, stepwise reasoning annotations, and evaluations used to train and test frontier AI models. Delivered in LaTeX and structured JSON/Parquet, their work supports… View profile →

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