SSeedtag
Seedtag is a Madrid-founded adtech company that runs a privacy-first, cookieless contextual advertising platform, using AI and machine learning to read the content, emotion and intent of a page or video and place ads accordingly across display, online video and CTV. Founded in 2014 by two ex-Googlers, it has grown to roughly 700+ employees across 17 countries with offices including Madrid, New York, London, Paris and Mexico City, and now markets itself as a 'neuro-contextual advertising' company. It is one of Spain's best-known adtech scale-ups, having raised over €250M from Advent International in 2022 (a €270M deal that included secondary purchases), after earlier rounds led by Oakley Capital and Adara Ventures; it also acquired JustEggs Digital in 2024.
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OFunding rounds 5
| Date | Round | Amount | Lead |
|---|---|---|---|
| 2022-07-27 | Series C (estimated) | approximately €250M | Advent International |
| 2021-09-14 | Series B | $40M |
Oakley Capital
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| 2017-08 | Series A | €2M | Lead not disclosed |
| 2016-10-17 | Series A | €1.5M | Adara Ventures |
| 2014-06-23 | Seed | €400K | Lead not disclosed |




