Stacker
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 28 Oct 2026.
Total raised
€18M
€18,228,875
Funding rounds
2
Investors
6
distinct backers
Active since
2019-10
latest 2021-08
Funding by year
EUR raised per yearStacker — funding by year — interactive chart.
Data table
| Stacker — funding by year | |
|---|---|
| 2019 | €1.1M |
| 2021 | €17M |
Signals
High confidenceRaise-next likelihood9
base rate 44% for Series A
- ▼ Dormant (no round in 3+ cohort gaps)
- ▲ Up-round momentum
- ▼ Low backer re-investment
Exit likelihood9
base rate 11% (2+ rounds)
- ▲ 9y since founding (typical exit age)
- ▼ No recent equity round (debt-only or quiet)
Timing: dormant vs cohort gap · momentum up. Funding-only estimates, not predictions and not investment advice — see signals.
Funding rounds
2 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2021-08-19 | Series A | €17M | a16z,Initialized Capital,Pentech Ventures,Pioneer Fund,Y Combinator | View deal → |
| 2019-10-01 | Seed | €1.1M | Pentech Ventures | View deal → |
Related news
- London’s Stacker brings home $20 million in a16z led roundtech.eu · 2021-08
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