ISO Reviews

4.1

79% would recommend to a friend

(20 total reviews)
avatar

Zhang Xiaogang

85% approve of CEO

62% positive business outlook

ISO has an employee rating of 4.1 out of 5 stars, based on 20 company reviews on Glassdoor which indicates that most employees have an excellent working experience there. The ISO employee rating is in line with the average (within 1 standard deviation) for employers within the Management and consulting industry (3.7 stars).

Reviews by job title

20 reviews
5.0
30 Jun 2025

x

Recommend
CEO approval
Business outlook

Pros

They have good compensation benefits overall

Cons

Hiring process can take a lot of time

5.0
18 Jul 2023
Recommend
CEO approval
Business outlook

Pros

A job with a purpose and strong impact. Modern working, international, environment with excellent conditions. Very dedicated and helping colleagues.

Cons

Location distant from other international organization and from Geneva city center.

Viewing 1 - 3 of 20 Reviews

Glassdoor has 37 ISO reviews submitted anonymously by ISO employees. Read employee reviews and ratings on Glassdoor to decide if ISO is right for you.