Silicon Quantum Computing
Silicon Quantum Computing is a Silicon-Spin Qubits company founded in 2017 and based in Sydney, Australia. It has raised $108.3M in total funding, most recently a Grant in 2026.
Silicon Quantum Computing develops silicon-based quantum processors using phosphorus donor atoms in silicon. SQC was established with $83M in funding and is a spinout from UNSW Sydney. The company focuses on CMOS-compatible fabrication for scalable quantum processors.
Backed by the Australian government and Telstra, the company is the national flagship for silicon quantum computing research commercialization.
At a glance
Total raised
$108.3M
Headcount
51-200
Headquarters
Sydney
AustraliaFounded
2017
Status
Private
Subsector
Where Silicon Quantum Computing ranks
Top 25 Quantum Computing companies →Funding history
Total raised
$108.3M
Rounds tracked
3
Latest stage
Grant
| Date | Stage | Amount | Valuation | Lead investors |
|---|---|---|---|---|
| Oct 1, 2026 | Grant | $12.3M | — | Australian government |
| Jul 1, 2023 | Series A | $36M | $142M | Australian Government, UNSW, Commonwealth Bank of Australia, Telstra |
