Q-CTRL

Q-CTRL is an Error Correction & Control company founded in 2017 and based in Sydney, Australia. It has raised $194M in total funding, most recently a Series B-2 in 2024.

Q-CTRL builds quantum control infrastructure software to reduce errors and improve performance across quantum hardware platforms. Q-CTRL raised $59M in funding and was named one of TIME's Most Innovative Companies in 2024. The company's customers include the U.S. Air Force and NASA.

The company's software is used by IBM, Rigetti, and government labs, making it a platform-agnostic infrastructure layer with broad adoption.

q-ctrl.com Error Correction & Control

Australiaprivate

At a glance

Total raised

$194M

last round series b-2

Headcount

201-500

approximate · public range

Headquarters

Sydney

Australia

Founded

2017

9 years active

Status

Private

Error Correction & Control

Patents on file

Funding history

Total raised

$194M

Rounds tracked

Latest stage

Series B-2

Date	Stage	Amount	Valuation	Lead investors
Oct 8, 2024	Series B-2	$59M	—	GP Bullhound, Lockheed Martin Ventures
Jan 31, 2023	Series B	$88M	—	GP Bullhound

Q-CTRL

At a glance

Funding history

In the news

Overcoming noise in open quantum system simulations using advanced circuit design and error suppression

Lockheed Martin Sees GPS And Quantum Navigation Working Together

Watch

Leadership

Products

Fire Opal

Boulder Opal

Black Opal

Most recent patents

Open roles

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