Castle
Real-time security analytics that track user behavior
Castle has raised €2.1M across 3 funding rounds from 14 investors, most recently a Early VC round in Nov 2016. Based in Sweden; founded 2014; active in Software and Cybersecurity. Data as of 28 Oct 2026.
Total raised
€2.1M
€2,118,443
Funding rounds
3
Investors
14
distinct backers
Active since
2015-02
latest 2016-11
Funding by year
EUR raised per yearCastle — funding by year — interactive chart.
Data table
| Castle — funding by year | |
|---|---|
| 2015 | €318k |
| 2016 | €1.8M |
Signals
High confidenceRaise-next likelihood9
base rate 42% for Early VC
- ▼ Dormant (no round in 3+ cohort gaps)
- ▲ Up-round momentum
- ▼ Low backer re-investment
Exit likelihood7
base rate 11% (2+ rounds)
- ▼ 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
3 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2016-11-01 | Early VC | €1.8M | Brainchild,F-Prime Capital,First Round Capital,FundersClub,Greg Kidd,Liquid2 Ventures+3 more | View deal → |
| 2016-03-01 | Early VC | €0 | FundersClub | View deal → |
| 2015-02-01 | Seed | €318k | Anders Frankel,Erik Byrenius,Fredrik Nylander,Hampus Jakobsson,Henrik Torstensson | View deal → |