Mastery Training ServicesMastery Training Services is a leader in the corporate online training marketplace. We help organizations grow and become more successful with our comprehensive workplace training systems and services. In this way, Mastery fulfills its mission of helping build more successful, effective and amazing organizations. Call us at 1-800-258-3837 or contact us online.
Mastery Training Services (mastery.com) has 407 customer reviews on Five Star Index, with an average rating of 4.8 out of 5.
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Showing 11 reviews with 3 stars · Clear filters
Franklin P.
Training material is great, but once I completed it I can't get a certificate to give to my employer. I simply get a gateway timeout message, and I can't even get back onto the site now.
Response from Mastery Training ServicesSep 10, 2025
Franklin - thank you for the review, I'm sorry you are having an issue accessing your certificate. Our support team would be happy to help you get your certificate. You can reach us at [email protected] or 800-258-3837
Frederick B.
All good no problem at all.
Response from Mastery Training ServicesOct 27, 2023
Thanks for the review Frederick! Sounds like you had a good experience! Let us know what we can do to earn 5 stars!
Demissie T.
hard to use, and type with this, they should change website design to fit more with mobile
Response from Mastery Training ServicesApr 7, 2023
Thank you for the feedback Demissie. We appreciate your comments and will take them into account for website updates.
Ryan M.
It was ok. Had trouble downloading my cert after completion.
Response from Mastery Training ServicesAug 26, 2022
Ryan, thank you for the feedback. I hope our support team was able to help your get your certificate.
Andrei Y.
You passed exam and should call about your certificate; uncomfortable
Response from Mastery Training ServicesSep 17, 2021
Andrei, thank you for the feedback. I'm sorry you had an issue accessing your certificate. The certificates are available when you log into your account on the website. I hope our support team was able to assist you.
Jose T.
nice refresher training provided by the company
Response from Mastery Training ServicesDec 11, 2020
Thanks for the review Jose, we are glad you found the training valuable!
Wes L.
Content is still relevant, but video is outdated.
Response from Mastery Training ServicesJul 6, 2020
Hi Wes, thanks for the feedback! We also have this course, which is much newer: https://www.mastery.com/products/coursecatalog/info?courseid=ttpccasa_vod Hope you come back and visit for more training in the future!
Matt B.
I found the course a bit too basic. I should have spent more time exploring options before deciding on this course.I was looking for a more in depth explanation of codes and requirements suitable for someone with intermediate knowledge of the subject. The cost was minimal so live and learn.
Response from Mastery Training ServicesJun 11, 2020
Thanks for the feedback Matt! Our content on machine guarding and lock out tag out is mostly focused on safe work practices, so I'm not sure if there is another option with explanation of specific operation procedures. We do have some other options on safety that dive a little deeper on the topic. You may consider checking out some of the other titles here: https://www.mastery.com/products/coursecatalog/bytopic?category_id=safety-hlth-machgrd-lockout