Explore London's tech ecosystem
A resilience and defence VC backing founders relentless in their pursuit of building brilliant companies.
Outward VC is a London-based early-stage venture capital firm investing in founders solving important problems at the intersection of financial services and society. The firm backs companies across fintech and adjacent sectors including insurtech, proptech, healthtech, edtech, and legaltech, with a people-first investment philosophy.
BankOxAngels is an angel investment group comprising individuals with a connection to the University of Oxford who are passionate about supporting early-stage and start-up companies to create social and economic value through innovation and entrepreneurship.
Oxford StreetOxford-based venture capital firm investing over £500m into 100+ early-stage UK technology and science companies since 1999.
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.
Oxford University provides world-class research and education to benefit society on a local, regional, national and global scale.
Oxford Science Enterprises (OSE) is an independent investment company and venture builder operating in unique partnership with the University of Oxford, transforming cutting-edge scientific research into commercial companies. With a portfolio spanning life sciences, healthtech, and deep tech, OSE has invested over £3 billion alongside co-investors and supports approximately 40 core portfolio companies. It was formerly known as Oxford Sciences Innovation.
Oxford Seed Fund is Europe's largest student- and alumni-managed venture fund, housed within Saïd Business School's Entrepreneurship Centre at the University of Oxford. It invests up to £100,000 into early-stage, technology-enabled startups where an Oxford student, alumnus, or member of academic staff is part of the founding team, and provides access to the wider Oxford network. Since its first fund in 2013, it has backed over 23 companies in that fund cycle, including two unicorns — Onfido and Go1 — with the second fund now active.
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.
Oxford University Innovation (OUI) is the technology transfer and commercialisation office of the University of Oxford, responsible for protecting intellectual property, licensing technologies, and supporting the formation and scaling of spinout companies from Oxford research. Founded in 1987 as Oxford University Research and Development Ltd (later Isis Innovation), it has created over 350 companies and has been named Technology Transfer Office of the Year at the GUV Awards.
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 (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.
PAI Partners is a French private equity firm with origins tracing back to Paribas Affaires Industrielles. The firm manages approximately €25 billion in dedicated buyout funds and invests in market-leading companies across Business Services, Food & Consumer, Industrial Goods & Services, and Healthcare. PAI operates across seven offices worldwide including Paris, London, Madrid, Milan, Munich, Luxembourg, Stockholm, and New York, having completed over 65 LBO transactions representing more than €48 billion in transaction value.
Oxford StreetPROfounders Capital is a pan-European early-stage venture capital firm based in London, investing since 2009 in tech-enabled B2B and B2C businesses that transform customer experience.
BelgraviaPalamon Capital Partners is an independent mid-cap private equity firm founded in 1999 and headquartered in London. The firm provides equity to growing, asset-light service businesses across Europe, focusing on tech-enabled financial services, business services, healthcare, and consumer and education sectors. Palamon manages approximately €1.3 billion in funds under management and has invested across 43 companies in 12 European countries.
Oxford StreetPar Equity is an Edinburgh-based early-stage venture capital firm and investor network founded in 2008, specialising in high-growth technology companies across Scotland, Northern England, and Northern Ireland. The firm operates both an EIS fund and an angel investor network, offering seed to Series A investment. Par Equity has merged with Praetura Ventures and Praetura Investments in 2025 to form the PXN Group, a £670 million investment platform operating from Manchester, Edinburgh, Leeds, and London.
Parkwalk Advisors is the UK's most active investor in university spinouts, specialising in backing deeptech companies emerging from British universities and research institutions via Enterprise Investment Scheme funds. The firm invests across seed to scale in deeptech, healthtech, and cleantech verticals, with a particular focus on artificial intelligence, quantum computing, life sciences, and clean energy. Founded in 2009, Parkwalk was acquired by IP Group in 2017 and is authorised and regulated by the Financial Conduct Authority.
Knowledge QuarterPassion Capital is a London-based, founder-first venture capital firm founded in 2011, specialising in pre-seed and seed investments across AI, fintech, and enterprise software. The firm has backed over 100 companies including GoCardless, Monzo, Tide, Marshmallow, and PolyAI, and closed its fourth fund at $55 million in 2026.
South BankPatron Capital is a European private equity real estate investment firm founded in 1999 and headquartered in London, focusing on opportunistic and value-add property investments across Western Europe. The firm has deployed over €5.5 billion of equity across more than 117 investments in 17 countries and manages multiple funds including a gender-lens Women in Safe Homes Fund.
Oxford StreetCo-founder and former CEO of Indeed.com; now a prolific UK angel investor with 90+ portfolio companies across fintech, AI, and health tech.
London-based Venture Capital Trust (~£273m) managed by Pembroke Investment Managers, backing growth-stage consumer, business-services, and technology companies across the UK.
CamdenPentech 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.
Knowledge QuarterCorporate venture arm of Pentland Group, a UK family-owned business, investing in health, wellness, and sustainability brands.
Oxford StreetPermira is a global private equity and credit investment firm founded in 1985 (as Schroder Ventures) with over €89 billion in total committed capital across funds. The firm invests in technology, consumer, healthcare, and services sectors, operating from 16 offices across Europe, North America, and Asia with a team of over 500 professionals.
Oxford Street