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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
      2.0
      Sep 14, 2025

      Exciting technology, but employee experience is suffering

      Engineer
      Recommend
      CEO approval
      Business Outlook

      Pros

      - Cutting-edge work in quantum computing and AI. - Talented coworkers who are motivated by the science and innovation. - Equity grants remain a significant upside if the company executes well.

      Cons

      - Career growth and recognition continue to be major pain points. Advancement beyond certain levels feels unnecessarily difficult, often more about navigating politics than merit. - Communication from leadership can be inconsistent, leaving employees uncertain about expectations and direction. - Resource constraints and shifting priorities create a chaotic work environment, leading to inefficiency, burnout, and difficulty planning effectively. - Some signals from leadership suggest admiration for high-turnover, high-burnout models, raising concerns about the company’s long-term culture.

      3.0
      Jun 21, 2024

      Great Flexibility and Autonomy, But Growth Can Be Quite Challenging

      Engineer
      Recommend
      CEO approval
      Business Outlook

      Pros

      Quantinuum offers a supportive work environment with commendable benefits, making it a great choice for those with families or who value flexible work arrangements. The company provides significant autonomy, allowing employees to manage their responsibilities effectively without micromanagement. There is a strong trust in employees to deliver quality work, which contributes to a positive work culture.

      Cons

      While Quantinuum generally provides a good working environment, there are notable areas for improvement regarding career growth and recognition. The company tends to focus heavily on contributions related to the latest technical advancements, often overlooking other significant contributions from different teams, especially in engineering. Additionally, there has been a high turnover among managers in some departments, which has impacted the consistency of support and growth opportunities within the engineering teams. This frequent change in leadership makes it difficult to have sustained mentorship and has hindered long-term career development.

      4.0
      Mar 29, 2024

      A great company with growing pains

      Anonymous employee
      Recommend
      CEO approval
      Business Outlook

      Pros

      QNTM is on balance a great company to work for. There is a broad team of employees who really believe in the future of quantum computing and this ensures a vibrancy in the working environment. For scientists this organization will feel like being back in grad school, doing cool experiments and writing papers, for engineers this means providing innovative solutions as the company pivots to being more consumer facing. Generally, I've really enjoyed my time at this company.

      Cons

      There remain budgetary concerns particularly in our ability to execute on our aggressive technology roadmap. At the time of this writing we have prioritized keeping our full workforce over material expenditures. Perhaps there exists a tension between our new focus on customer facing obligations with our DNA of being a research and development company.

      Viewing 10 - 12 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.