Market map · Europe

AI training data market map: Europe

13 AI training data startups based in Europe that have raised money in rounds we track, placed in 3 segments by what each says it does. Together they have raised $101M; the biggest segment is synthetic data.

13startups on the map
3segments
$101Mraised between them
Expert and human feedbackmost funded segment

Segment by segment

Synthetic data

6 startups · $34M raised

  1. MOSTLY AIMOSTLY AI is a leader in creating high-fidelity, privacy-safe structured synthetic data using Generative AI.Austria$25M
  2. SKY ENGINE AISKY ENGINE AI is a London-based data science and technology company founded in 2018.United Kingdom$7.0M
  3. ANYVERSEAnyverse is a deep-tech company based in Madrid, Spain, specializing in physics-based hyperspectral synthetic data generation.Spain$972K
  4. BlueGen.aiBlueGen.ai is a Dutch technology company founded in 2022, specializing in an AI-based synthetic data generation platform.Netherlands$378K
  5. Repli5Repli5 is a Swedish deep-tech startup located in Göteborg, specializing in generating synthetic training data for computer vision Sweden$179K
  6. Dedomena AIDedomena.AI is a technology company based in Rivas-Vaciamadrid, Madrid, Spain, specializing in Artificial Intelligence (AI) and Data Science.Spain$109K

Expert and human feedback

4 startups · $57M raised

  1. Arlequin AIArlequin AI is a deep-tech startup based in Paris, founded in 2024.France$38M
  2. RapidataRapidata is a Zurich-based AI infrastructure company that offers a scalable, on-demand data labeling platform.Switzerland$8.5M
  3. DefinigenGenerating pre-clinical human data for therapeutic candidates with in-vitro liver and metabolic disease models.United Kingdom$7.9M
  4. Poindexter LabsPoindexter Labs is a London-based AI data company that specializes in generating expert-created STEM training data for frontier AI models.United Kingdom$2.7M

Labeling platforms

3 startups · $11M raised

  1. ScaleHubAI & HI for better data - at infinite scale, Managed Service, CrowdSourcing/Collective Intelligence Services for Data Entry & DataGermany$8.0M
  2. EpinoteEpinote is Warsaw-based annotation boutique that provides high quality data annotation and collection services.Poland$1.5M
  3. Aya DataAya Data is a UK-Ghana-based artificial intelligence and data services company founded in 2021 by Freddie Monk and Ama Larbi-Siaw.United Kingdom$1.5M

How this map is made. Every startup here has raised money in rounds we track, and is based in Europe. It joins the map when its sectors, read from its rounds, or the opening of its own description say it works in AI training data, and goes to the first segment whose words it carries. Each segment shows its best-funded first. Rebuilt nightly; updated 15 November 2026.

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