May 18, 2026
ista reviews
60% would recommend to a friend
Hagen Lessing
75% approve of CEO
61% positive business outlook
ista has an employee rating of 3.8 out of 5 stars, based on 47 company reviews on Glassdoor which indicates that most employees have a good working experience there. The ista employee rating is in line with the average (within 1 standard deviation) for employers within the Energy, Mining & Utilities industry (3.7 stars).
Disability
Parent or family caregiver
Reviews by job title
47 reviews
