London financial district skyline representing top single family offices in London investing in startups

10 London Single Family Offices Investing in Startups and Early Stage (2026)

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We selected ten of the top active single family offices from our database that are based in London and invest in startups and early stage companies, along with their website links:

  1. Avonmore Developments
    Avonmore Developments provides pre-seed and seed equity to early stage, high growth businesses. Founded by brothers Simon and Michael Blakey, two of the UK's first professional business angels, it has backed more than 50 companies across over 75 funding rounds since 2000.
  2. Candy Capital
    Candy Capital is the private family office of British entrepreneur Nick Candy, set up to manage his personal business interests and group of companies. Its activities range from real estate, design, and development to multi-stage investments in tech, digital media, consumer, sports, biotech, sustainability, and natural resources.
  3. Salsano Family Office
    Salsano Family Office invests the proprietary capital of businessman and philanthropist Sandro Salsano, mainly in real estate, private equity, and technology. Mr. Salsano, who is President of the Salsano Group and Chairman of the Salsano Shahani Foundation, is also an angel and venture capital investor.
  4. UCEA - Family Office Group
    Established in 2008, UCEA is headquartered in Mayfair, London, with representation offices in Lisbon, Switzerland, Hong Kong, and Vietnam. The group holds interests in trading, natural resources, energy, and sustainability. It invests in real estate, early stage direct deals, and venture and private equity funds, with a self-funded division targeting seed and Series A opportunities in energy, healthcare, sports, and technology.
  5. Rivertrade
    John Kinder established Rivertrade in 2000 as a private investment company. The family office specialises in seed and early stage funding for national and international private businesses, with past investments in sports, entertainment, music, and the production and trading of sugar.
  6. Earlymarket
    Earlymarket LLP is a family office that specialises in incubating early stage companies. It provides the capital, management expertise, financial control, and high tech workspace in central London.
  7. Harbourdale Capital
    Founded in 2020 on a 30-year legacy, Harbourdale Capital is a single family office with interests across real estate, debt, and public and private equity. Its primary focus is strategic investments in startup and growth stage businesses in the UK and USA, drawing on decades of operational experience.
  8. Kathaka
    Kathaka is a London-based single family office that deploys capital and strategic resources into investment and philanthropic endeavours. A patient, long-term partner, it backs entrepreneurs building B2C and B2B platforms across North America and Europe, and contributes strategic support in Sub-Saharan Africa.
  9. LSG Family Office
    LSG Holdings is a UK-based single family office making direct investments in real estate, private equity, and venture capital, both in the UK and internationally. Its venture investments target consumer facing, disruptive, high growth ideas, with a clear emphasis on backing outstanding founders and guiding execution.
  10. Outrun Ventures
    Outrun Ventures backs fintech founders at seed stage as angel investors, then grows with them to Series A and beyond. It defines fintech broadly, spanning payments, lending, regulation, insurance, legal, and proptech.

For more information and listings of active family offices:

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