Stacker is a modular app platform for the next generation of makers.
Stacker has raised €18M across 2 funding rounds from 6 investors, most recently a Series A round in Aug 2021. Based in London, UK; founded 2017; active in Software. Data as of 7 Aug 2026.
Timing: dormant vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
| Date |
|---|
| Stage |
|---|
| Amount |
|---|
| Investors |
|---|
| 2021-08-19 | Series A | €17M | a16z,Initialized Capital,Pentech,Pioneer Fund,Y Combinator | View deal → |
| 2019-10-01 | Seed | €1.1M | Pentech Ventures | View deal → |
