Q CTRL

Q-CTRL, founded in 2017 by Professor Michael J. Biercuk, is based in Sydney, Australia, and specializes in quantum technology infrastructure. The company addresses key challenges in quantum hardware, particularly focusing on error suppression and stability to enhance the practical use of quantum computing and sensing technologies. Q-CTRL develops quantum control infrastructure software that improves the performance and reliability of quantum systems. Their offerings include error suppression tools, AI-driven optimization methods, and solutions compatible with various quantum hardware types, such as superconducting qubits and trapped ions. The company collaborates with leading organizations like IBM and integrates its solutions into cloud-based quantum computing platforms, including Google Cloud. With a mission to make quantum technology practical and scalable, Q-CTRL aims to overcome significant technical barriers in the field. The company has evolved from an academic spin-off to a global scaleup, recognized for its contributions to quantum control theory and its widely adopted software tools in the quantum industry.

Information Technology & Services Sydney, Australia Founded 2017 ~132 employees

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Employees
132
+3.9% in the 3 months to Jun 2025
Revenue / employee
$207K
Revenue ~$27.3M
Total funding
$135M
Last round Apr 2025
12-month attrition
8.7%
Tech: 7.5%
H1B filings, FY2026
2
Sponsors visas
Open jobs
15
Last 30 days

Salaries at Q CTRL

All salaries

1 salary profiles in the US

Pay by level, gender and ethnicity

H-1B sponsorship

H-1B Sponsorship Limited
H-1B Filings by Department
Engineering6
Operations2

The department split adds up all the years listed above. FY2026 alone: 2 filings.

Funding

  • Apr 2025
  • Oct 2024 · Series B · $59M · GP Bullhound, Alpha Edison, NTT Finance
  • Jul 2023 · $2.3M
  • Jul 2023 · Series B · $2.6M · Morpheus Ventures
  • Jan 2023 · Series B · $27.4M · Salesforce Ventures, Alumni Ventures, Mindrock Capital
  • Nov 2021 · Series B · $25M · Airbus Ventures, Ridgeline Partners
  • Jul 2021 · $3.5M
  • Sep 2019 · Series A · $15M · Square Peg Capital, Sierra Ventures, Sequoia Capital

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Q CTRL FAQ

How many employees does Q CTRL have?

Q CTRL has about 132 employees, up 3.9% over the 3 months to Jun 2025.

Does Q CTRL sponsor H1B visas?

Yes. Q CTRL filed 2 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. Most of them were for Engineering roles.

What is Q CTRL's revenue per employee?

Q CTRL makes about $207K in revenue per employee, based on $27.3M annual revenue and 132 employees.

How much does Q CTRL pay?

6figr has 1 salary profile for Q CTRL in the US, with pay broken down by role, level, gender and ethnicity on the Q CTRL salaries page. See Q CTRL salaries

How much funding has Q CTRL raised?

Q CTRL has raised $134.8M in total funding.

Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.