Deep Tech Startups

Parsed trains and deploys specialized large language models tailored to a customer's domain and workflow, using an evaluation-first, continual-learning approach aimed at outperforming general-purpose models while being cheaper and faster. It targets enterprises in regulated and mission-critical sectors such as healthcare and insurance, offering multicloud inference, interpretability, and reinforcement learning for ongoing model improvement.

3 investors

Runway is an AI company building multimodal simulators to model the world through the integration of art and science, with a global team of researchers, engineers, artists, and designers.

3 investors

Passkey operates Locksmith, a computational platform that uses human genetics, biology, and pharmacology to identify synergistic drug combinations from approved and late-stage drugs, allowing existing assets to be repurposed for new indications. The company partners with pharmaceutical firms to map clinic-ready combinations that bypass preclinical development and move directly to human trials, initially targeting complex diseases such as cancer.

3 investors

Peak Quantum develops error-protected superconducting quantum processing units (QPUs) designed for fault tolerance at the hardware level, reducing the need for active quantum error correction and the number of physical qubits required. The company targets scalable, industrial-grade quantum computing and works with investors, integrators, and researchers.

3 investors

PentaBind designs programmable aptamers—small RNA/DNA molecules with sub-nanomolar binding affinity—for continuous sensing and diagnostics applications (e.g., monitoring hormones and biomarkers) and targeted therapeutics in oncology and drug delivery. The platform reduces aptamer design cycles from months to ~22 days and delivers application-ready assets rather than just binders.

3 investors

Peptomyc is a biotech company developing MYC inhibitors for cancer treatment, based on the Omomyc molecule, and is advancing them through preclinical and clinical trials. It operates in oncology drug development, with its research group linked to the Vall d'Hebron Institute of Oncology in Barcelona, Spain.

3 investors

Perceptron develops foundation models for physical intelligence, processing multimodal data (video, audio, text, sensors) in real-time to enable AI systems that perceive, reason, and act in physical environments. The company serves enterprise customers in manufacturing, media, logistics, and security.

3 investors

Peregrine Space develops radiation-tolerant hardware and technologies for commercial satellite and space data applications, serving the emerging commercial space industry.

3 investors

Petal is developing an incisionless surgery platform using Millisecond Pulse Histotripsy, a form of focused therapeutic ultrasound that breaks down targeted diseased tissue without incisions, heat, or trauma. The system is designed for patients, clinicians, and hospitals as an alternative to conventional and robotic surgery.

3 investors

Phagenesis develops targeted pharyngeal electrical stimulation technology to treat neurogenic dysphagia by restoring neural pathways for safe swallowing. The company serves patients with swallowing disorders caused by neurological conditions, supported by 25 years of clinical research and evidence.

3 investors

Pharmacelera develops computational chemistry software and services for drug discovery, using proprietary 3D molecular field descriptors, quantum mechanics, and AI to screen ultra-large chemical libraries and identify novel, synthesizable compounds. It serves small biotech companies, big pharma R&D departments, public research institutions, and CROs across stages from target identification to lead optimization.

3 investors

Pharmaron is a contract research and manufacturing organization providing drug development and manufacturing services to pharmaceutical and biotech companies.

3 investors

PharmEnable applies AI to small molecule drug discovery, focusing on challenging and data-sparse biological targets that traditional methods struggle to address. The company develops first- and best-in-class therapies and originated as a spin-out from the University of Cambridge.

3 investors

Phasic Energy designs and manufactures advanced heat exchangers that offer higher heat transfer, lower pressure drop, and compact form factors compared to conventional designs. Its products serve critical infrastructure sectors including data center thermal management, defense and aerospace, geothermal energy, and industrial waste heat recovery.

3 investors

Phiex Technologies develops interactive materials designed to mitigate issues caused by pathogens across multiple industries, including applications such as making sterile devices and protecting individuals exposed to the elements. The company offers this material technology without requiring machines or chambers.

3 investors

Phlux Technology develops Noiseless InGaAs avalanche photodiode (APD) infrared sensors operating at 1550 nm that serve as drop-in replacements for traditional APDs. Its products target range finders, LiDAR, and optical fibre test equipment (OTDRs) applications.

3 investors

Phoenix Semiconductor recreates late-generation, legacy, and mature microelectronic components to address the shortage of domestically manufactured legacy chips. It supplies trusted, domestically produced chips to government and commercial partners, including U.S. Department of Defense programs.

3 investors

Phyx44 designs novel proteins engineered for food applications using precision fermentation and protein engineering, serving food manufacturers seeking specific taste, texture, and nutritional functionality. The company produces animal-free proteins through scalable fermentation processes.

3 investors

PiLogic builds domain-specific probabilistic AI models for critical dual-use aerospace and defense applications such as electrical diagnostics, radar analysis, and sensor fusion. Its inference engine aims to deliver precise, fast results on standard hardware without the compute demands of large language models.

3 investors

Moonwalk Biosciences is a life sciences company operating in the biotech sector. This page profiles a member of its leadership team.

3 investors

Plumis designs and manufactures intelligent water mist fire suppression systems for domestic and commercial use that detect fires earlier and deliver more effective outcomes than conventional sprinkler systems. The company's Automist system uses minimal water with no chemical additives, reducing property damage and environmental impact while meeting rigorous UK and international fire safety standards.

3 investors

Polaris Electro-Optics develops a ferroelectric nematic glass (Polaris Glass) modulator platform that integrates with standard silicon photonics to build high-speed, energy-efficient optical interconnects. Its drop-in solutions target partners across the interconnect ecosystem, from pluggables to co-packaged optics, to support scaling of AI and high-performance computing systems.

3 investors

Polaron applies AI to accelerate the development of advanced materials, targeting industrial decarbonisation, electrification, and the transition to renewable energy. It works with global manufacturers on production challenges and is grounded in published academic research on materials intelligence.

3 investors

Polyphron is using AI and automation to produce human tissue at scale, providing ground-truth data for AI biology and developing therapeutics based on immune-compatible iPSC-derived grafts.

3 investors