Open-Xchange
Creators of communication;collaboration and office productivity software for service providers
Open-Xchange has raised €51M across 4 funding rounds from 6 investors, most recently a Series D+ round in Oct 2017. Based in Nuremberg, Germany; founded 1998; active in Software. Data as of 28 Oct 2026.
Total raised
€51M
€50,804,994
Funding rounds
4
Investors
6
distinct backers
Active since
2006-01
latest 2017-10
Funding by year
EUR raised per yearOpen-Xchange — funding by year — interactive chart.
Data table
| Open-Xchange — funding by year | |
|---|---|
| 2005 | €7.5M |
| 2008 | €7.1M |
| 2013 | €15M |
| 2017 | €21M |
Signals
High confidenceRaise-next likelihood11
base rate 53% for Series D+
- ▼ Dormant (no round in 3+ cohort gaps)
- ▲ Up-round momentum
- ▼ Low backer re-investment
Exit likelihood5
base rate 11% (2+ rounds)
- ▲ €30M+ raised
- ▲ 4 rounds raised
- ▼ Old (28y) — past 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
4 rounds| Date | Stage | Amount | Investors | |
|---|---|---|---|---|
| 2017-10-10 | Series D+ | €21M | eCapital,Iris Capital | View deal → |
| 2013-07-01 | Series C | €15M | United Internet Ventures | View deal → |
| 2008-11-01 | Series B | €7.1M | BayBG Bayerische Beteiligungsgesellschaft,BayTech Venture Capital,eCAPITAL ENTREPRENEURIAL PARTNERS | View deal → |
| 2006-01-01 | Series A | €7.5M | BayTech Venture Capital | View deal → |