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      Quantinuum

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      Quantinuum reviews

      3.7

      66% would recommend to a friend

      (58 total reviews)

      Ilyas Khan and Rajeeb Hazra

      56% approve of CEO

      69% positive business outlook

      Ratings by demographic groups

      Quantinuum has an employee rating of 3.7 out of 5 stars, based on 58 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Quantinuum employee rating is in line with the average (within 1 standard deviation) for employers within the Information Technology industry (3.9 stars).

      Reviews by job title

      58 reviews
      5.0
      Jan 19, 2026

      Nice place

      Tech dev intern
      Recommend
      CEO approval
      Business Outlook

      Pros

      Work life balance, well paid, cool stuff

      Cons

      Changing management, very segmented, no snacks

      2.0
      Dec 29, 2025

      Amazing Quantum Computers, Mediocre Benefits

      Physicist
      Recommend
      CEO approval
      Business Outlook

      Pros

      The science put out by Quantinuum is excellent, and many incredibly smart physicists are working on some of the most interesting problems in quantum computing. As a physicist the work we get to do is very fulfilling and most teams have reasonable work life balance (though not all do). Many scientists value working at a company that makes credible and realistic claims, which is often not the case in the quantum computing space. This has been relatively easy for Quantinuum to maintain as it has consistently developed some of the best quantum computing hardware in the world and is staffed by many incredible scientists and engineers.

      Cons

      The pay is low and benefits are lacking relative to competitors. While broadly speaking work-life balance is reasonable, certain teams are expected to put in huge hours to get things done on time, and this can extend over significant periods of time. While the RSUs that are offered certainly have reasonable expectation value, it is entirely unclear when that value will be realized. The CEO making vague and contradictory statements about these issues does not provide much room for optimism on this topic amongst employees and does not inspire confidence in the executive team.

      1.0
      Oct 27, 2025

      Bad company, excellent science

      Anonymous employee
      Recommend
      CEO approval
      Business Outlook

      Pros

      Cool technology. Lots of cool projects

      Cons

      bad leadership. poor organization. no career growth. deep tech employees severely underpaid

      Viewing 7 - 9 of 58 Reviews
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      ReviewsQuantinuum reviews

      Glassdoor has 68 Quantinuum reviews submitted anonymously by Quantinuum employees. Read employee reviews and ratings on Glassdoor to decide if Quantinuum is right for you.