SquareOne
SquareOne Venture Capital, based in Berlin, Germany, is a prominent early-stage venture capital firm that focuses on Pre-Seed and Seed investment rounds. Founded in 2010 and rebranded in 2022, SquareOne has approximately €180 million in assets under management across three funds, with its latest fund, SquareOne III, launched in June 2022 at €100 million. The firm specializes in investing in B2B technology and Deep Tech startups, aiming to partner with exceptional European founders who are addressing complex challenges in large markets. SquareOne offers more than just capital; it acts as a str Per Crunchbase, SquareOne Venture Capital has made 91 investments, 34 as lead investor across 58 portfolio companies, with 11 exits.
Investing activity
SquareOne appears in 4 AI deals tracked by the AI Lounge deals desk, rounds totalling $23M, and led 1 of them. The rounds are mostly Seed and Series A, with a median round size of $6M and the largest at $23M. The most recent are Procuros (Series A, $23M, Oct 2026), Konko AI (Seed, $6M, Sep 2026) and Fina (Seed, $1M, Aug 2026).
SquareOne most often invests alongside XAnge, b2venture, Creandum and W23 Global, and the companies it backs on AI Lounge are mostly in AI and AI agents / B2B supply chain.
Deals
Frequently asked questions about SquareOne
What AI companies has SquareOne invested in?
SquareOne's AI investments include Procuros, Konko AI, Fina and Graph Therapeutics. The 4 rounds on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is SquareOne based?
SquareOne is based in Berlin, Berlin, Germany.
What stage does SquareOne invest at?
In the rounds tracked on AI Lounge, SquareOne has invested at Seed and Series A, with a median round of $6M. SquareOne led 1 of those rounds.
Who does SquareOne co-invest with?
SquareOne's most frequent co-investors on AI Lounge are XAnge (1 deal), b2venture (1 deal), Creandum (1 deal), W23 Global (1 deal) and Point Nine (1 deal).
How can founders reach SquareOne?
Founders on AI Lounge can see SquareOne's contact details in AI Investor Contacts (paid plans), check for a warm introduction through members who worked with the firm under Warm Paths, and add SquareOne to their Investor Pipeline to track the conversation.