A provider of a next generation embedded integration platform as a service (embedded IPaaS)
StackOne has raised €21M across 2 funding rounds from 10 investors, most recently a Series A round in May 2025. Based in London, UK; active in Software. Data as of 7 Aug 2026.
Timing: in window vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
| Date |
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| Stage |
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| Amount |
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| Investors |
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| 2025-05-06 | Series A | €18M | Angels,Episode 1,GV (Google Ventures),Playfair Capital,Workday Ventures,XTX Ventures | View deal → |
| 2024-03-05 | Seed | €3.3M | Angel Investors,Charlie Songhurst,Episode 1,Playfair Capital,Portfolio Ventures,Sequoia’s Scout fund | View deal → |
