31 Dec 2025
GranQuartz Reviews
39% would recommend to a friend
42% positive business outlook
GranQuartz has an employee rating of 3.1 out of 5 stars, based on 22 company reviews on Glassdoor which indicates that most employees have a good working experience there. The GranQuartz employee rating is in line with the average (within 1 standard deviation) for employers within the Energy, mining, utilities industry (3.7 stars).
Reviews by job title
22 reviews