Sigma Reviews

4.2

83% would recommend to a friend

(245 total reviews)

Dionisio Garza Medina

93% approve of CEO

82% positive business outlook

Sigma has an employee rating of 4.2 out of 5 stars, based on 245 company reviews on Glassdoor which indicates that most employees have an excellent working experience there. The Sigma employee rating is 21% above average for employers within the Manufacturing industry (3.5 stars).

Reviews by job title

245 reviews
3.0
18 Sept 2025
Recommend
CEO approval
Business outlook

Pros

Job development opportunities Senior management are supportive

Cons

Salary is not enough for the job provided. Work outside of job description is expected.

2.0
15 Apr 2025

Call centre agent

Recommend
CEO approval
Business outlook

Pros

Not much training at all before they throw you into it

Cons

Not very good training more needed

2.0
8 Nov 2024

Not the best

Anonymous employee
Recommend
CEO approval
Business outlook

Pros

Easy work that can be learnt on the job

Cons

No structure for growth and progression

Viewing 1 - 3 of 245 Reviews

Glassdoor has 776 Sigma reviews submitted anonymously by Sigma employees. Read employee reviews and ratings on Glassdoor to decide if Sigma is right for you.