About Slimmer AI
Slimmer AI is a venture capital firm founded in 2009. It is primarily based out of Groningen, Netherlands. As of Feb 2025, Slimmer AI has invested in 9 companies. It primarily invests in Seed round in Netherlands based startups. Its investments are spread across a wide range of sectors from Enterprise Applications to FinTech and Enterprise Infrastructure. Most recently it participated in the $***** Seed round of EvidenceHunt Overall, Slimmer AI portfolio has seen 1 unicorn and 3 acquisitions including key companies like Hadrian, Koala and Uncover. A lot of funds co-invest with Slimmer AI, with names like Keen Venture Partners sharing a substantial percentage of its portfolio. Slimmer AI has team of 4 people including 1 partners.Key Metrics
Team Members
Portfolio Sectors
Portfolio Locations
Rounds of Entry
Seed & Series A
Portfolio Unicorns
Slimmer AI's List of Top Investments
Slimmer AI has a portfolio of 9 companies, one of which is a Unicorn. Their most notable investments are in Hadrian and Vesper.Their portfolio spans across Netherlands, France, Germany and 2 more locations. They have invested in Enterprise Applications, FinTech, Enterprise Infrastructure and 8 other sectors, across stages such as Seed, Series A stages. Here is the list of top investments by Slimmer AI:
1. Hadrian
Manufacturer of precision components and automated factory systems. This business provides manufacturing and inspection services through an integrated platform that automates production processes. It operates facilities that utilize advanced software to interpret designs and manage manufacturing workflows, supporting the production of parts from prototype to full-scale output. The company also deploys dedicated manufacturing cells and manages factory operations to address production requirements.
Key facts about Hadrian
- Founded Year: 2021
- Location: Torrance (United States)
- Valuation: $*****
- Stage: Series D
- Total Funding till date: $1.99B
- Employee Count: 631 as on Sep 30, 2026
- Investors: T. Rowe Price, Baillie Gifford and 43 Others
- Latest Funding Round: Conventional Debt, Aug 14, 2026, $*****
- Highlight: Editors' Pick
2. Hadrian
Cloud and AI based solutions for analyzing security vulnerabilities. It provides a cyber security platform that offers solutions such as asset discovery and contextualization, digital asset monitoring and testing, interpretation, intelligent risk assessment, and more. Features of the platform include risk alerts and notifications, contextualization, and more.
Key facts about Hadrian
- Founded Year: 2021
- Location: Amsterdam (Netherlands)
- Stage: Series A
- Total Funding till date: $65M
- Employee Count: 106 as on Aug 31, 2026
- Investors: ForgePoint Capital, Abn Amro and 18 Others
- Latest Funding Round: Series A, Oct 06, 2026, $*****
- Highlight: Editors' Pick
3. Koala
Provider of travel insurance platform for individuals. It offers quotes for flight disruption claims processing services. It provides solutions for businesses including a Loyalty tool for passenger management and offers a purchase tunnel for sales management.
Key facts about Koala
- Founded Year: 2019
- Location: Paris (France)
- Stage: Acquired
- Total Funding till date: $3.95M
- Employee Count: 25 as on Aug 31, 2026
- Investors: Avonmore Developments, Playfair Capital and 7 Others
- Latest Funding Round: Seed, Mar 28, 2023, $*****
- Highlight: Acquired

4. mika
Get Mika is a financial services company based in Berlin, Germany. They are committed to protecting your privacy and offer services related to accounting and bookkeeping. They provide personalized financial solutions and use a combination of technology and human expertise.
Key facts about mika
- Founded Year: 2023
- Location: Berlin (Germany)
- Stage: Seed
- Total Funding till date: $7.73M
- Employee Count: 32 as on Aug 31, 2026
- Investors: Ceres Venture Fund, Keen Venture Partners and 13 Others
- Latest Funding Round: Seed, Sep 23, 2026, $*****

5. Uncover
Platform offering litigation case management software. It leverages AI to structure, manage and analyze case documents. The platform includes a timeline feature to extract relevant dates from every document.
Key facts about Uncover
- Founded Year: 2022
- Location: Amsterdam (Netherlands)
- Stage: Acquired
- Employee Count: 357 as on May 31, 2026
- Investors: Slimmer AI and Dutchyard
- Latest Funding Round: Seed, Jul 26, 2024, $*****
- Highlight: Acquired
Slimmer AI's Year-on-Year Investment Trends
Slimmer AI has invested in 9 companies over the last 5 years, with an average of 1 new investment annually in the last 5 years. In 2025, it made 1 investment. Its most recent first time investment was in EvidenceHunt and most recent follow-on round was in Hadrian.Year | No. of Investments | ||
|---|---|---|---|
1st Round | Follow-on | Total | |
2026 (YTD) | 0 | 0 | 0 |
2025 | 1 | 0 | 1 |
2024 | 2 | 0 | 2 |
2023 | 1 | 0 | 1 |
2022 | 0 | 1 | 1 |
2021 | 3 | 0 | 3 |
Slimmer AI's Investments by Stage
Slimmer AI has made 6 investments in Seed stage with an average round size of $2.29M and 1 investment in Series A stage with an average round size of $36.4M.Stage of entry | No. of Investments |
|---|---|
Seed | 6 |
Series A | 1 |
Note: We have considered here, only first round of investments
Slimmer AI's Investments by Sector
Slimmer AI has a diverse portfolio, with companies operating in the Enterprise Applications, Industrial Goods and Manufacturing, Business Services, Enterprise Infrastructure and Environment Tech. Notably, it has invested in 7 Enterprise (B2B) companies, 7 Software companies, 7 Tech companies and at least 4 companies focusing on Saas.Sector | No. of Investments |
|---|---|
Enterprise Applications | 4 |
Industrial Goods and Manufacturing | 2 |
Business Services | 1 |
Enterprise Infrastructure | 1 |
Environment Tech | 1 |
Others | 7 |
Note: We have considered here, only first round of investments
Slimmer AI's Investments by Geography
Slimmer AI has made most investments in Netherlands (3), followed by France where it has made 1 investment.Country | No. of Investments |
|---|---|
Netherlands | 3 |
France | 1 |
Germany | 1 |
Hungary | 1 |
United States | 1 |
Note: We have considered here, only first round of investments
Slimmer AI's recent investments
Slimmer AI has not made any investment in 2026 so far.Here are the most recent investments by Slimmer AI:
Date | Company | Location | Round Details | Round Amount | Co-Investors |
|---|---|---|---|---|---|
Feb 27, 2025 | Netherlands | Seed | 7260 | ||
Jun 18, 2024 | Germany | Seed | 4762 | ||
Feb 08, 2024 | Hungary | Seed | 2937 | ||
Mar 28, 2023 | France | Seed | 1028 | [+2] | |
Jun 24, 2022 | Netherlands | Seed | 1095 | [+4] |
Unicorns in Slimmer AI's Portfolio
Slimmer AI has 1 unicorn in its portfolio - Hadrian. The most recent unicorn in their portfolio is Hadrian which became a unicorn in 2026, 4 years after Slimmer AI first invested in it.Here is a list of unicorns in Slimmer AI's portfolio:
Tracxn Score | Company | Short Description | Founded year | Sector | Location | Company Stage | First Investment/ Acquisition Details |
|---|---|---|---|---|---|---|---|
67 | Manufacturer of precision components and automated factory systems | 2021 | Torrance | Series D | wtazchv |
Acquired companies in Slimmer AI's Portfolio
3 companies from Slimmer AI's portfolio have been acquired. The most recent acquisition was Uncover in Oct 2025 by Opus 2 International for $*****.Here are Slimmer AI's portfolio companies that got acquired most recently:
Company | Acquisition Date | First Invested on | First Round of Investment | Round Size |
|---|---|---|---|---|
Oct 09, 2025 | - | - | 7633 | |
Aug 18, 2025 | Mar 28, 2023 | Seed | 4013 | |
Apr 25, 2022 | - | - | 4077 |
Team profile of Slimmer AI
Slimmer AI has a team of 4 members including 1 Partner and 2 Principals located in Netherlands. Slimmer AI's team does not sit on the board of any company as of now.Here is a list of all team members in Slimmer AI:
Name | Designation | Location | Board Memberships | Contact Details |
|---|---|---|---|---|
Partner | Bloemendaal | - | - | |
Principal | Amsterdam | - | - | |
Principal | Amsterdam | - | - |
Co-investors of Slimmer AI
Over the past 5 years, 76 investors have co-invested in Slimmer AI's portfolio companies. This includes funds and angels.
- Invested before Slimmer AI: Lux Capital, Founders Fund and 7 others have invested in rounds before Slimmer AI. There is 1 company where Lux Capital has invested before Slimmer AI and 1 company where Founders Fund has invested before Slimmer AI.
- Top Co-investors of Slimmer AI: 20 investors entered a company along with Slimmer AI. These include investors like Keen Venture Partners (3 companies).
- Invested after Slimmer AI: A total of 47 investors have invested in Slimmer AI's portfolio after their investments. Top Investors include Andreessen Horowitz (1 company), Caffeinated Capital (1 company) and Lachy Groom (1 company).
Recent News related to Slimmer AI
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Netherlands-based EvidenceHunt Secures €1.2Million in FundingStartup Rise EU•Feb 27, 2025•EvidenceHunt, Keen Venture Partners, DFF Ventures, Slimmer AI
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EvidenceHunt Raises €1.2M in FundingFinSMEs•Feb 27, 2025•Slimmer AI, DFF Ventures, Keen Venture Partners, EvidenceHunt
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mika secures €800k to revolutionise accounting and tax filings with generative AI for SMEsTech Funding News•Jun 18, 2024•mika, Slimmer AI, Keen Venture Partners, DFF Ventures and 1 other
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Hungarian Startup Qneiform Secures €750k Pre-Seed InvestmentInsider Los Angeles•Feb 08, 2024•Qneiform, Slimmer AI, Keen Venture Partners, DFF Ventures and 4 others
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Springer Nature boosts its publishing prowess, acquires Amsterdam-based Slimmer AI’s Science divisionSilicon Canals•Oct 26, 2023•Springer Nature, Slimmer AI
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Springer Nature acquires Slimmer AI's science divisionTech.eu•Oct 25, 2023•Springer Nature, Slimmer AI
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Amsterdam’s Slimmer AI, Keen Venture Partners and Dutch Founders Fund join forces to fund and support European AI startupsSilicon Canals•May 16, 2023•Keen Venture Partners, Slimmer AI, DFF Ventures
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French travel insurtech startup Koala bags €2M for growth in EuropeSilicon Canals•Mar 29, 2023•Koala, Insurtech Gateway, UNETI, Slimmer AI and 1 other
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Amsterdam cyber startup Hadrian closes €10.5M Seed for platform which simulates hacker attacksTechCrunch+•Jun 24, 2022•Hadrian, HV Capital, Picus Capital, Slimmer AI
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London and Amsterdam-based Hadrian raises €2.5M to offers security insights from the hacker perspectiveSilicon Canals•Nov 16, 2021•Village Global, Slimmer AI
