Pre-IPO quantum computing company profile · Founded 2017 · Sydney, Australia
Company Facts
IPO Status
No IPO announced
Silicon Quantum Computing shares are not available on public exchanges. See below for listed alternatives with similar technology.
Silicon Quantum Computing (SQC) is an Australian quantum hardware company building atomically precise silicon quantum processors. It grew out of the UNSW quantum program led by Michelle Simmons and uses phosphorus donor atoms in silicon, manufactured with scanning-tunneling-microscope precision.
SQC raised A$50.4M in Series A capital in 2023 and received an additional A$60M commitment from Australia's National Reconstruction Fund Corporation in 2026 to expand its atomic-scale chip manufacturing capability.
| Round | Amount | Date | Key Investors | Valuation |
|---|---|---|---|---|
| NRFC investment | A$60M | 2026 | National Reconstruction Fund Corporation | — |
| Series A | A$50.4M | Jul 2023 | Australian government, Commonwealth Bank, Telstra, UNSW and others | — |
Archer Materials (AXE.AX) is the closest listed Australian semiconductor-spin quantum comparable, though SQC is pursuing a different silicon-donor architecture.
Can you buy Silicon Quantum Computing stock?
No. Silicon Quantum Computing is private and has not announced an IPO.
What technology does SQC use?
SQC builds silicon quantum processors from atomically placed phosphorus donor atoms, a spin-qubit approach designed to leverage semiconductor manufacturing.
How much funding has SQC disclosed?
At least A$110M across its A$50.4M Series A and A$60M of 2026 NRFC investment commitments.
More pre-IPO quantum companies
Static profile, updated manually · Last updated 2026-07-10 · Sources: SQC A$50.4M Series A ↗ · SQC NRFC investment update ↗