The brief

Analyst view

• Sydney-based with offices in LA, Berlin, Oxford. Raised $128M total across Series A-B-2 (2019–2024).
• Ironstone Opal won TIME Best Invention 2025; passed DO-160 testing (Jul 2026); maritime navigation.
• Also builds Fire Opal (error suppression), Boulder Opal (hardware design), and Black Opal (learning).

Technical approach

As reported

Quantum control

Stabilizing quantum systems

Quantum control engineering minimizes errors and noise in quantum hardware, making systems practical for production.

Quantum sensing

Navigation without GPS

Quantum sensors (atomic clocks, gravimeters) measure Earth's fields for position accuracy exceeding classical alternatives.

Software-only integration

Works across quantum hardware vendors

Q-CTRL's products integrate with IBM, IonQ, Google and other quantum platforms, and run on defense/aerospace avionics without proprietary hardware changes.