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Venture capital firm

Giant Ventures

Thesis-driven venture firm investing from pre-seed to growth in climate, health and inclusive capitalism

Giant Ventures cover

TrustList summary

Giant Ventures is a multi-stage venture capital firm that backs technology founders working on large global problems. It invests from pre-seed through to growth stage in Europe and the US, with offices in London, LA and Denmark. Its partners are former founders who describe taking a hands-on role with the companies they fund.

Products and services

  • Climate investment: backing for companies in energy, nuclear power, grid flexibility and other climate technology.
  • Health investment: funding for healthcare and wellbeing companies, from cancer care to mental health.
  • Inclusive capitalism: investment in businesses aiming at a fairer economy.
  • Founder support: practical help from a team of venture partners and advisers with operating backgrounds.
  • Giant Ideas content: a podcast, quarterly letters and interviews with founders and investors.

Customers and markets

Giant backs technology founders at every stage, from pre-seed onwards. Portfolio examples on its site include Radiant, which is building a mass-produced nuclear reactor, and Endurosat, which works on access to space.

Key facts

  • Offices: London, LA and Denmark
  • Stages: pre-seed to growth
  • Regions: Europe and the US
  • Themes: climate, health and inclusive capitalism

Summary written by TrustList from the business's own published information, Sep 2026.

Categories & features

Rankings

Giant Ventures is ranked on 1 TrustList ranking at #38.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Giant Ventures has no reviews yet and 3 of the 10 profile details we look for. Where no listing on a page has been reviewed, the order follows the profiles alone.

Venture capital firm · 1 ranking

  • #38of 91
    Series b

    It is one of 10 here listing growth stage and healthtech.

    Of the top 71 here, 42 also cover series and 31 also cover series a; 8 also work in London and 6 also work in New York City.

    Behind Freigeist, ahead of GingerBread Capital.

As of 2026-11-01. Organic ranks only; sponsored placements are never ranks. How TrustList ranks

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