QuintessenceLabs is a quantum encryption security company, headquartered in Canberra, Australia, founded in 2008.
| Date | Round | Amount | Investors |
|---|---|---|---|
| 2025-04-03 | Growth Stage | $12.7M | National Reconstruction Fund Corporation, InterValley Ventures, Main Sequence Ventures, TELUS Ventures |
| 2025-04-01 | Growth Stage | $9M | National Reconstruction Fund Corporation |
| 2022-03-07 | Growth Stage | Undisclosed | Chevron Technology Ventures |
| 2021-10-26 | Series B | $18.8M | Main Sequence Ventures, TELUS Ventures, InterValley Ventures Pty Ltd, Capital Property Group |
| 2020-02-19 | Growth Stage | Undisclosed | IQT |
| 2018-09-27 | Series B | $13M | Undisclosed |
| 2017-07-18 | Other | $2.6M | Australian Government Department of Defense |
| 2015-01-01 | Growth Stage | Undisclosed | IQT |
| 2014-02-01 | Series A | $12M | Undisclosed |
| 2012-10-09 | Other | $1.1M | Australian Government Department of Defense |
| 2009-12-01 | Seed | $924K | Undisclosed |
| 2008-06-01 | Seed | $956K | Undisclosed |
Data from The Signal by Return on Security — cybersecurity funding, M&A activity, and company intelligence.