Directory

Optimal Cities

StartupSpaceProptechBritish

PlanTech platform combining GeoAI and satellite intelligence so planners, developers and authorities can diagnose, plan and monitor places, cutting data-analysis time.

Orthogonal Peptides

StartupBiotech & Life SciencesBritish

Peptide therapeutics spinout from Imperial College London developing a novel solid-phase peptide synthesis method that produces multiple fragments per bead, enabling manufacture of complex cyclic and conjugate peptides while reducing synthesis waste by approximately 50%.

Overmind

StartupAI SafetyCybersecurityBritish

Supervision and security layer for autonomous AI agents, using pattern-of-life analysis and reinforcement learning to monitor, flag, and improve agentic AI behaviour in real time, targeting regulated sectors such as legal, healthcare, and fintech.

Oxford Early Investments

VCOtherBritish

Oxford Early Investments (OEI) was an angel network operating under the OION Ltd group — the same umbrella as the Oxford Investment Opportunity Network (OION) and Thames Valley Investment Network (TVIN) — providing investors with access to investment opportunities at an earlier stage than those presented to OION, typically in companies seeking between £20,000 and £150,000. The network is permanently closed.

PANTA

StartupFinanceSaaSBritish

Cloud-native SaaS platform modernising financial index creation, calculation, rebalancing, and compliance for banks and asset managers.

PHINXT Robotics

StartupLogisticsAIBritish

Robot-agnostic, decentralised edge-AI software platform for warehouse automation (picking, packing, sorting, material handling), delivered on a subscription model for SMEs. Now trading as FloxMind.

Paddington Robotics

StartupLogisticsAIBritish

Embodied AI and robotics company building practical robot systems for facilities and logistics environments, starting with supermarkets, to augment human workers using real-world training data.

Paid

StartupAISaaSBritish

Infrastructure platform for monetising AI agents, enabling developers to implement results-based billing that charges customers by value and outcomes rather than seats or subscriptions.

Paloma Health

StartupBiotech & Life SciencesAIBritish

NHS Right to Choose provider offering autism and ADHD assessments for children, using AI tools to reduce clinician admin burden and deliver diagnoses within weeks rather than years.

Panda Surgical

StartupBiotech & Life SciencesAIBritish

Develops the first handheld robotic platform for minimally invasive neurosurgery, with detachable wristed instruments as small as 3mm plus AI decision support.

Pangea Bio

ScaleupBiotech & Life SciencesAIBritish

AI-driven CNS drug discovery; PangeAI computational-metabolomics and generative AI engine to find neuroactive molecules from natural sources including plants and fungi.

Park House Ventures

Professional ServicesOtherBritish

Park House Ventures is a Cornwall-based consultancy and investment support firm incorporated in 2013, providing consulting, executive interim management, non-executive director services, and investment facilitation to businesses in the South West of England. The firm leverages a network of investors, consultants, corporate finance advisers, and legal professionals to help companies find funding and achieve profitable growth.

Pastoral

StartupClimateBritish

Low-cost precision regenerative livestock farming platform using IoT and remote sensing for real-time animal and grazing data.

Pembroke VCT

VCSaaSConsumerBritish

London-based Venture Capital Trust (~£273m) managed by Pembroke Investment Managers, backing growth-stage consumer, business-services, and technology companies across the UK.

Pentland Ventures

VCConsumerBiotech & Life SciencesBritish

Corporate venture arm of Pentland Group, a UK family-owned business, investing in health, wellness, and sustainability brands.

Perscitus

PEOtherVCBritish

Perscitus LLP is an independent, London-based investment consultant providing services to a multi-asset portfolio with a focus on direct private equity and venture capital investments across a range of sectors and stages. The firm's direct investment portfolio spans more than 80 companies, with a preference for pre-Series A and small UK buyouts.

PharosAI

StartupAIBiotech & Life SciencesBritish

King's College London spin-out building a platform that gives AI researchers and companies governed access to a broad spectrum of cancer-related datasets for AI-driven oncology research.

Ploy

StartupCybersecurityAIBritish

Cloud-first Identity Governance and Administration (IGA) platform automating identity and access management across SaaS, cloud and collaboration tools, with an embedded AI assistant.

Poindexter Labs

StartupAIBritish

London-based AI data company producing expert-level training data for frontier AI models via collaborative, peer-reviewed workflows across maths, science, law and medicine.

Presidio Ventures

VCAICybersecurityCorporateForeign

Presidio Ventures is the corporate venture capital arm of Sumitomo Corporation, founded in 1998 and based in Silicon Valley, investing in technology companies across enterprise IT, cybersecurity, artificial intelligence, digital media, mobility, IoT, fintech, and robotics. The firm has invested in more than 200 companies and helps US startups access Sumitomo's global network and the Japanese market. In 2022, Presidio Ventures Europe was launched with a UK base in London to focus on deep tech, energy, mobility, agri-food, and healthcare.

Provenias

Professional ServicesOtherSaaSBritish

Provenias Ltd is a UK company registered in Bath, active since 2017, operating in information technology consultancy and management consultancy. Its online presence is very limited and it does not appear to operate as a conventional venture capital or investment firm.

Pyri

StartupClimateBritish

Low-cost, biodegradable pinecone-inspired sensors for early wildfire detection and real-time monitoring of remote areas.

QMatter

StartupBiotech & Life SciencesAIBritish

Quantum-computing startup applying quantum compression to shrink molecular-simulation algorithms and generate physics-informed datasets for AI training in drug discovery.

Qoro Quantum

StartupQuantumBritish

Orchestration software that treats CPUs, GPUs and QPUs as a single logical machine, enabling seamless integration of quantum computers into classical high-performance computing environments.