Spearheading mobile monetization in more than 40 countries
Upstream Systems has raised €50M across 3 funding rounds from 2 investors, most recently a Debt round in Dec 2022. Based in London, UK; founded 2001; active in Marketing. Data as of 7 Aug 2026.
Timing: dormant vs cohort gap · momentum down. Funding-only estimates, not predictions and not investment advice — see signals.
| Date | Stage | Amount | Investors |
|---|
| 2022-12-19 | Debt | €14M | National Bank of Greece | View deal → |
| 2017-02-01 | Growth/Late | €25M | European Investment Bank | View deal → |
| 2009-05-01 | Growth/Late | €11M | — | View deal → |
