Directory

Oxford Technology Management

VCOtherAIBritish

Oxford Technology Management is a specialist venture capital firm founded in 1983 that invests in startup and early-stage technology companies based in and around Oxford. It manages multiple investment vehicles including SEIS and EIS funds, Knowledge-Intensive EIS funds, and four Oxford Technology Venture Capital Trusts listed on the London Stock Exchange, with a focus on deep tech and science-based businesses within approximately 60 miles of Oxford.

Oxygen House Group

VCClimateOtherBritish

Oxygen House Group is an impact investment and group holding company based in Exeter, founded in 2008, that invests in and develops businesses focused on addressing the climate and biodiversity crises. Its portfolio spans renewable energy, sustainable property development, educational technology, conservation, and data analytics, and includes subsidiaries such as Low Carbon, Sparx, Grenadier Estates, and Oxygen Conservation.

Oxygen Investors

VCOtherBritish

Oxygen Investors (formerly Central England Business Angels, CEBA) is a Birmingham-based angel investment network that connects equity-ready SMEs with a network of over 300 angels, family offices, and institutional funds across the UK, facilitating investment rounds of £100,000 to £1 million. Established in 2008 and acquired by Oxygen Enterprise Partners in 2013, it specialises in personalised, bespoke investor introductions across all sectors.

Panakeia Technologies

StartupBiotech & Life SciencesAIBritish

AI-driven molecular profiling (PANProfiler) that infers biomarker information directly from standard H&E-stained tissue images, removing many lab tests.

Panaseer

ScaleupCybersecurityBritish

Continuous Controls Monitoring (CCM) platform for enterprise security - aggregates data from security, IT and business tools to give an automated, measurable view of security posture and control gaps.

Patch

CoworkingOtherCommunityBritish

Patch is a B-Corp certified operator of neighbourhood co-working and community spaces across the UK, founded in 2020 and opening its first location in a converted Victorian brewery in Chelmsford in 2022. The organisation repurposes local landmarks such as former breweries, libraries, and department stores into affordable flexible workspaces, serviced offices, and cultural venues in commuter towns and high streets. Its mission is to create opportunities for people, work, and communities outside of major city centres under the banner of the 'Work Near Home' era.

Patchwork Health

ScaleupAIBiotech & Life SciencesBritish

AI-powered NHS workforce platform for flexible staffing, rostering and bank management across hospitals and trusts.

Pear Bio

ScaleupBiotech & Life SciencesAIBritish

Functional precision oncology; organ-on-a-chip and computer vision to recreate the tumour microenvironment and predict patient response to cancer drugs.

Pentech

VCSaaSAIBritish

Pentech Ventures is a UK venture capital firm founded in 2001 and headquartered in Edinburgh, with a further office in London, that focuses on seed and early-stage investments in software companies. The firm typically invests £500,000 to £2 million initially and is known for portfolio exits including FanDuel, Nutmeg, and Maxymiser.

Peptone

ScaleupBiotech & Life SciencesAIBritish

Uses AI and physics-based simulation to drug intrinsically disordered proteins, a hard-to-target class linked to cancer and neurodegeneration.

Perceptic

StartupBiotech & Life SciencesAIBritish

Perceptic is building an AI operating system for drug development, a shared intelligence layer connecting asset scouting, scientific evaluation, indication selection and clinical data across the drug lifecycle. Founded by former Palantir executives, it is based in London and raised a $12 million seed round in 2026.

Pharmacierge

ScaleupBiotech & Life SciencesBritish

Digital e-prescribing and medicine-delivery platform (mPrescribe app) for private clinicians, focused on Harley Street and private healthcare prescribing and dispensing.

Phasecraft

ScaleupQuantumBritish

Quantum algorithms and software company designing ultra-efficient algorithms to bridge near-term quantum hardware and real-world materials and optimisation problems.

Pheon Therapeutics

StartupBiotech & Life SciencesBritish

Antibody-drug conjugate (ADC) specialist developing next-generation ADCs against a novel target overexpressed in a wide range of hard-to-treat solid tumours.

Phoebe

StartupAISaaSBritish

London-based AI startup (now operating as Coral) providing a governed data engine that gives AI agents a single SQL interface across enterprise SaaS applications, databases and internal systems, removing the need for bespoke per-source integrations.

Phytoform Labs

StartupBiotech & Life SciencesAIBritish

Precision crop-breeding startup using its CRE.AI.TIVE AI platform and CRISPR gene editing to develop climate-resilient, higher-yielding vegetables and crops.

Piclo

ScaleupClimateE-commerceBritish

Independent online marketplace for energy flexibility services, matching distribution system operators and network operators with flexible distributed energy resources via its Piclo Flex platform.

Pimloc

ScaleupAICybersecurityBritish

AI video-privacy platform (Secure Redact) that automatically detects and redacts faces, number plates and other PII in CCTV, body-worn and dashcam footage for policing and public sector bodies.

PlanetWatchers

ScaleupSpaceAIBritish

SAR (synthetic aperture radar) agricultural analytics delivered as Analytics-as-a-Service to crop insurers: automated acreage reporting, crop classification, planting-date and weather-damage validation.

Plend

StartupFinanceConsumerBritish

Ethical social lending platform using Open Banking transaction data rather than credit scores to offer fairer personal loans; UK's first social lending marketplace, with a focus on financial inclusion.

Polaron

StartupClimateAIBritish

AI intelligence layer for materials science linking processing, microstructure and performance to accelerate design and manufacture of batteries, alloys and ceramics.

Pollinate

ScaleupFinanceBritish

White-label, cloud-based platform helping banks deliver merchant acquiring and SMB banking services globally.

Polymateria

ScaleupClimateBritish

Biotransformation technology that fully biodegrades common plastics leaving zero microplastics, licensed to manufacturers as drop-in masterbatch additives under the Cycle+ and DegrAid brands.

Portfolio Ventures

VCFinanceSaaSBritish

Portfolio Ventures is a London-based angel fund and early-stage investor, founded in 2014 and billing itself as the UK's best-connected early-stage investor. The PV Angel Fund deploys cheques of £200k to £500k into UK-based fintech, insurtech, B2B SaaS, and enterprise software companies at pre-seed through Series A stage. The firm is authorised and regulated by the FCA and has backed over 200 companies, building a network of more than 1,000 investors.