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      Sema4

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      Sema4 Reviews

      2.8

      30% would recommend to a friend

      (265 total reviews)
      avatar

      Katherine Stueland

      14% approve of CEO

      26% positive business outlook

      Sema4 has an employee rating of 2.8 out of 5 stars, based on 265 company reviews on Glassdoor which indicates that most employees have an average working experience there. The Sema4 employee rating is 20% below average for employers within the Pharmaceutical and biotechnology industry (3.5 stars).

      Reviews by job title

      265 reviews
      4.0
      21 Dec 2025

      Decent company

      Scientist
      Recommend
      CEO approval
      Business outlook

      Pros

      A lot of chance to learn

      Cons

      Corporate politics was bad at my time

      Viewing 1 - 3 of 265 Reviews
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      ReviewsSema4 reviews

      Glassdoor has 278 Sema4 reviews submitted anonymously by Sema4 employees. Read employee reviews and ratings on Glassdoor to decide if Sema4 is right for you.