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Q-CTRL

Error-suppression software and quantum navigation

Ranked #10 in Best Quantum Computing Startups.

Q-CTRL, founded in 2017 and based in Sydney, makes software that reduces errors on today's quantum computers, including Fire Opal, and develops quantum sensing for navigation. Its Series B reached $113 million, led by GP Bullhound.

Official website

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At a glance

Price fromCustom
Best forTeams getting better results from current quantum hardware

From Q-CTRL's own website.

What stands out

  • Software works on today's machines
  • Second business in quantum navigation

Worth knowing

  • Smaller funding than hardware leaders
  • Enterprise pricing

How it ranks

Q-CTRL is ranked 10th of 10 in Best Quantum Computing Startups (Lister Score 85.1).

#10 in Best Quantum Computing Startups · Lister Score 85.1

Q-CTRL increased its Series B to $113 million, led by GP Bullhound..

RankBest Quantum Computing StartupsScore
1PsiQuantum96.8
2QuEra Computing95.5
3Atom Computing94.3
4Oxford Quantum Circuits93.0
5Alice & Bob91.7
6Quantum Machines90.4
7Classiq89.1
8Riverlane87.8
9Photonic86.4
10Q-CTRL85.1

Frequently asked questions

How does Q-CTRL rank on Lister?

Q-CTRL is ranked 10th of 10 in Best Quantum Computing Startups (Lister Score 85.1).

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#10 in Best Quantum Computing Startups
RANKED #10 ON LISTERBest Quantum Computing Startups