Slack reviews

4.0

77% would recommend to a friend

(1,095 total reviews)
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Stewart Butterfield

88% approve of CEO

70% positive business outlook

Slack has an employee rating of 4.0 out of 5 stars, based on 1,095 company reviews on Glassdoor which indicates that most employees have a good working experience there. The Slack employee rating is in line with the average (within 1 standard deviation) for employers within the Informatique industry (3.9 stars).

Reviews by job title

1K reviews
5.0
Jun 14, 2017
Recommend
CEO approval
Business Outlook

Pros

Such an amazing team - everyone shows great empathy, courtesy and caring towards each other. Everyone gives 100% effort and is striving and working together to make the company the best it can be. There's still a sense of fun and humor throughout. The office and perks are pretty slick too!

Cons

Some minor growing pains, as to be expected with any start-up growing at this rate. Nothing particular of note for me though.

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Slack Response
8y
Thank you so much for sharing your experience working at Slack! I agree that everyone here has a shared vision of making Slack the absolute best company it can be. We truly appreciate your advice. A great culture is extremely important and something we will continue to keep top of mind as we grow.
4.0
Jun 2, 2017

Overall loved, but changed A LOT

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

+ Work life balance is real + Incredible values - the first 300 or so people hired are incredible people who genuinely care about making the world a better place and are fiercely passionate about the product and each other + Relatively diverse + Very customer- and employee-centric + Smartest people I've ever worked with and some of the most humble as well + Exceptional learning & development opportunities + Great pay

Cons

- Whatever Stewart says goes. He has genius ideas and high standards (a good thing), but it leaves management with little autonomy and can cause slow downs/sudden changes in priorities. This may have gotten better as the company has grown. - A lot of people were really sad to see Bill Macaitis go. Very different values and POV came in with the new marketing lead. A lot of people have left since that transition. - Started out with the noble intent to hire authentic, empathic people who wanted to be part of a movement vs climb in their career. Those people are leaving or getting pushed out and more traditional enterprise B2B folk are taking their place. - Not accepting of politically conservative people. Even centrist left-wingers can feel uncomfortable there.

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Slack Response
8y
Thank you so much for your feedback, it’s incredibly valuable to us. As you can imagine, a company will look very different at 50 employees compared to 500 or 1,000 employees. Regardless of company size, focusing on hiring great people and listening to everyone’s perspectives is and always will be a top priority for our leadership team. One thing we are learning as we scale is that there will be different iterations of our business needs and culture which may not continue to be the best fit for everyone. We appreciate your candidness with regard to your personal experience at Slack. Thank you again for sharing.
5.0
May 16, 2017

Customer Experience Agent

Anonymous employee
Recommend
CEO approval
Business Outlook

Pros

Culture is admirable and genuinely exhibited by all employees and product. Perks and accommodations unlike any other Current with all needs to do our jobs successfully

Cons

A lot of paperwork and process up front to keep up with but a lot of patient support too :)

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Glassdoor has 1,227 Slack reviews submitted anonymously by Slack employees. Read employee reviews and ratings on Glassdoor to decide if Slack is right for you.