Venture capital firm

Act Venture Partners

An early-stage investor backing European deep-tech founders from pre-seed through seed funding rounds

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Engineering
Environmental
Property
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TrustList summary

Act Venture Partners, operating as ACT Venture Partners, partners with European deep-tech founders at seed stage, aiming to help turn early ideas into larger companies. The firm invests at the earliest stages, describing itself as often the first institutional investor into a company, and focuses on sectors including artificial intelligence, physics-based modelling for chemistry, materials and healthcare, satellite and space technology, advanced manufacturing and autonomy, computational biology and diagnostics, and advanced materials for construction and clean energy. It looks for founders with deep technical knowledge, an ambitious vision, and the willingness to learn quickly, and says it supports portfolio companies with fundraising, hiring, grant access and strategic partnerships. Its team has written about the need for deep-tech investors to engage with public policy given geopolitical dynamics, and it publishes periodic updates on portfolio milestones such as industrial scale-up and product launches.

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

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Rankings

Act Venture Partners is ranked on 3 TrustList rankings: #18 on 1 and #41 on 2.

Every ranking orders its listings by their reviews, how complete the profile is and the Trust Score. Act Venture Partners 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 · 3 rankings

#18of 73
Deep tech investors
It is the only one of the top 65 here listing environmental and property.
Its profile: “Its team has written about the need for deep-tech investors to engage with public policy given geopolitical dynamics, and it publishes periodic updates on portfolio milestones such as industrial scale-up and product launches.”
Of the top 65 here, 27 also cover artificial intelligence and 24 also cover seed stage; 8 also work in San Francisco and 7 also work in Silicon Valley.
Behind Academy Investor Network, ahead of AgFunder.
#41of 207
Pre seed
It is one of 5 here listing early stage and engineering.
Its profile: “An early-stage investor backing European deep-tech founders from pre-seed through seed funding rounds”
Of the top 71 here, 22 also cover series a and 12 also cover deep tech; 5 also work in London and 4 also work in New York City.
Behind Act One Ventures, ahead of Ahren Innovation Capital.
#41of 158
Ai investors
It is one of 9 here listing deep tech and one of 10 here listing pre seed.
Of the top 66 here, 14 also cover SaaS and 12 also cover growth stage; 5 also work in Munich and 4 also work in Washington, Dc.
Behind Act One Ventures, ahead of AgFunder.