Noteus
Noteus Partners is an independent growth equity investment firm based in Paris, France, with additional offices in London, Berlin, and Madrid. Established in 2023, the firm focuses on late-stage venture and growth investing, targeting fast-growing technology companies across Europe. With a team of experienced investment professionals, Noteus Partners has a strong track record, having deployed over €300 million in capital across various technology sectors. The firm specializes in investing in Series C through Series E+ rounds, supporting companies with proven scalability and strong management
Investing activity
Noteus appears in 1 AI deal tracked by the AI Lounge deals desk, rounds totalling $1.2B, and led 1 of them. The rounds are mostly Series D, with a median round size of $1.2B. The most recent is Quantum Systems (Series D, $1.2B, Jul 2026).
Noteus most often invests alongside Advent International, Blackstone, Airbus and BOND, and the companies it backs on AI Lounge are mostly in Aerospace.
Deals
Frequently asked questions about Noteus
What AI companies has Noteus invested in?
Noteus's AI investments include Quantum Systems. The 1 round on AI Lounge are listed on this page with amounts, dates and co-investors.
Where is Noteus based?
Noteus is based in Paris, France.
What stage does Noteus invest at?
In the rounds tracked on AI Lounge, Noteus has invested at Series D, with a median round of $1.2B. Noteus led 1 of those rounds.
Who does Noteus co-invest with?
Noteus's most frequent co-investors on AI Lounge are Advent International (1 deal), Blackstone (1 deal), Airbus (1 deal), BOND (1 deal) and Elephant Lake Ventures (1 deal).
How can founders reach Noteus?
Founders on AI Lounge can see Noteus'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 Noteus to their Investor Pipeline to track the conversation.