International SOS reviews

3.4

55% would recommend to a friend

(1,525 total reviews)
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Arnaud Vaissié

68% approve of CEO

55% positive business outlook

International SOS has an employee rating of 3.4 out of 5 stars, based on 1,525 company reviews on Glassdoor which indicates that most employees have a good working experience there. The International SOS employee rating is in line with the average (within 1 standard deviation) for employers within the Healthcare industry (3.4 stars).

Reviews by job title

2K reviews
2.0
May 18, 2026

Internal Politics Very Important

Recommend
CEO approval
Business Outlook

Pros

Smart colleagues, exposure to client business

Cons

Organizational influence and benefits appear concentrated within a limited group, with junior team members handling much of the execution workload.

Viewing 172 - 174 of 1,525 Reviews

Glassdoor has 1,812 International SOS reviews submitted anonymously by International SOS employees. Read employee reviews and ratings on Glassdoor to decide if International SOS is right for you.