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      Koppers

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      Koppers reviews

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      3.7

      75% would recommend to a friend

      (111 total reviews)

      Leroy Ball

      92% approve of CEO

      48% positive business outlook

      Ratings by category

      3.7

      Culture & values

      3.7

      Diversity & inclusion

      3.6

      Compensation and benefits

      3.4

      Work/Life balance

      3.4

      Senior management

      3.3

      Career opportunities

      Koppers has an employee rating of 3.7 out of 5 stars, based on 111 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Koppers employee rating is in line with the average (within 1 standard deviation) for employers within the Manufacturing industry (3.5 stars).

      Ratings by demographic groups

      Reviews by job title

      111 reviews
      3.0
      May 12, 2026

      Friendly environment but poor management and organization

      Process engineer
      Recommend
      CEO approval
      Business Outlook

      Pros

      Friendly people, freedom to pursue projects you enjoy

      Cons

      Poor organization, poor asset management, corporate & higher management extremely disconnected i.e. makes decisions in a bubble and does not properly identify and utilize talents of their employees.

      Viewing 1 - 3 of 111 Reviews
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      ReviewsKoppers reviews

      Glassdoor has 128 Koppers reviews submitted anonymously by Koppers employees. Read employee reviews and ratings on Glassdoor to decide if Koppers is right for you.