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Slack Business - Enterprise vs Yammer comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Aug 4, 2025

Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Categories and Ranking

Slack Business - Enterprise
Ranking in Enterprise Social Software
2nd
Average Rating
8.4
Reviews Sentiment
6.8
Number of Reviews
78
Ranking in other categories
No ranking in other categories
Yammer
Ranking in Enterprise Social Software
4th
Average Rating
7.4
Reviews Sentiment
6.9
Number of Reviews
64
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of October 2025, in the Enterprise Social Software category, the mindshare of Slack Business - Enterprise is 15.8%, up from 10.8% compared to the previous year. The mindshare of Yammer is 6.4%, down from 7.6% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Enterprise Social Software Market Share Distribution
ProductMarket Share (%)
Slack Business - Enterprise15.8%
Yammer6.4%
Other77.8%
Enterprise Social Software
 

Featured Reviews

Awais Mehmood - PeerSpot reviewer
Automation features and user-friendly interface support seamless communication
Slack is very supportive in terms of communication between my colleagues and clients. While working with the reimbursement feature, I found the automation capabilities on Slack to be incredibly useful, allowing me to automate messages for specific dates or times and even to greet someone on their birthday. I haven't specifically used the channel organization feature of Slack, as I am added to channels, but I use it with Airtable, which automates notifications to a specific Slack channel when a user fills out a form on our website. In my experience, Slack is a stable product for communication, and I appreciate its automation features and integration of AI capabilities for enhancing specific functions.
Rishi Pande - PeerSpot reviewer
Cloud-based platform supports seamless collaboration but needs branding flexibility
I have transitioned to using Yammer in the cloud for about six to seven years People share their files and ideas and attend meetings in a collaborative manner. They work on specific sales-related documents. Yammer allows collaboration anywhere, anytime, on any device. Its adaptability and…

Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:
 

Pros

"It's valuable for announcements and communicating between team members."
"Slack makes it easy for employees to contact each other and exchange documents or information."
"I use Slack for communication with my colleagues."
"I like the tool's ability to send voice mail. We can also search for conversations easily in Slack."
"I am impressed with the product's calls and screen share features which are very useful."
"It allows to facilitate communication, allowing us to create channels for updates, file sharing, and photo sharing within our team profiles."
"Its integration with different apps is a great feature."
"The product is user-friendly."
"The initial setup was simple and straightforward."
"We can send out notifications and ask questions using Yammer."
"The user interface and the way we can share and search information are the most valuable. It is very easy to use."
"Yammer saves our time because we can communicate with a lot of people at the same time without sending a lot of emails."
"Valuable features include the integration with Microsoft Office and the fact that it is in the cloud. Also, it's quite easy to use."
"The most valuable feature of Yammer is that it provides integration with Teams."
"Groups is the most valuable feature in Yammer."
"The posting features are valuable."
 

Cons

"I would like to see a special feature for multiple people to collaborate on a document, working on it at the same time."
"I haven't experienced any noticeable return on investment since starting with Slack."
"The product crashes when I use it on the desktop."
"I think Slack could add additional features without making the solution slower or more difficult to use."
"Slack's screen sharing might also add the remote control feature, which is not there."
"We do experience issues when trying to log in on Slack."
"Sometimes Slack behaves unexpectedly and shuts down without notification or support communication."
"Slack's interface is not simple for me. It's not a user-friendly interface"
"Yammer should include more integrations."
"The permissions are a little bit over-complicated."
"The interface is clunky and could be improved."
"Yammer should be able to integrate with Microsoft products, such as Outlook."
"This solution would be improved if it was well integrated with other communication applications."
"It looks slightly less clean on Chrome compared to Microsoft Edge, but it's a minor difference. There is room for improvement in user experience, like positions of elements."
"Yammer should offer flexibility to allow branding without writing any code."
"The way you want to control the communication could be an issue. It depends on what kind of company you are. We are a public company, and there are some regulations that we need to comply with. Its ease of use can be an issue for a company because anybody can subscribe and use it. There are many competitors that are overlapping. Since Microsoft bought Yammer, it tends to be in the shadow. It is not put in the front from the service perspective."
 

Pricing and Cost Advice

"The solution’s pricing is cheap."
"The pricing can range up to about twenty bucks a user. You can spend a lot of money, especially if you're talking about thousands of users. Generally speaking, Slack is less expensive than Teams. Slack doesn't include all the bells and whistles that Teams does. So you can go from a $6 license in Microsoft 365 to a $50 license per user per month, and there's a lot more you can do in the $50 license."
"It is an expensive tool. We pay 15 to 20 USD monthly per user."
"We use the free version that does not have a license."
"Slack is definitely worth the money."
"It is less expensive than one of its competitors."
"The tool's pricing could be cheaper."
"The solution is cheap in my country."
"Its cost is included in the license bundle for Microsoft."
"I don't know about the pricing. Now that Microsoft has bought Yammer, it should be a part of our subscriptions for Office 365."
"We get it as part of our Office 365 subscriptions, so I don't think we pay any additional cost for Yammer. It's included in the Office 365 subscriptions."
"I think that there is a need to make yearly payments towards the licensing costs of the solution."
"Yammer is a pretty cheap solution, and it's included in multiple subscriptions."
"Compared to other products like Amazon, Yammer's pricing is fine."
"The pricing is not bad."
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Use our free recommendation engine to learn which Enterprise Social Software solutions are best for your needs.
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Comparison Review

it_user8913 - PeerSpot reviewer
Aug 22, 2013
Yammer vs. SP Social in 2013
There are several discussions on SharePoint’s social strategy going on at the moment. I had some great discussions with my MVP mate Adis during Summit last week. Since #SPC12 almost every SharePoint addicted developer, it-pro, power user has reviewed Yammer. If you don’t know what Yammer is, here a…
 

Top Industries

By visitors reading reviews
Performing Arts
19%
Computer Software Company
13%
Financial Services Firm
12%
University
8%
Manufacturing Company
16%
Performing Arts
10%
Computer Software Company
7%
Leisure / Travel Company
6%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
By reviewers
Company SizeCount
Small Business54
Midsize Enterprise13
Large Enterprise21
By reviewers
Company SizeCount
Small Business24
Midsize Enterprise11
Large Enterprise30
 

Questions from the Community

What do you like most about Slack?
Nowadays, we don't need to visit an HR portal. Our marketing and human resources teams directly share details about birthdays, upcoming events, and important dates in Slack. Whether it's a training...
What is your experience regarding pricing and costs for Slack?
I am not aware of pricing, setup costs, or licensing, due to my company's partnership with Slack.
What needs improvement with Slack?
The direct call feature could be enhanced, particularly when calling peers. When showing screens during calls, the screen sharing functionality is not as smooth as Google's offering. It appears to ...
What do you like most about Yammer?
We can send out notifications and ask questions using Yammer.
What needs improvement with Yammer?
I think we should have some improvements in Yammer, similar to what we have in Facebook and others, where we can have targeted communications, so that we can filter some communications to go to a s...
What is your primary use case for Yammer?
We create user groups in Yammer, so we use it mainly for communications and engagement. The features in Yammer that I find most beneficial for team collaboration, communication, and engagement are ...
 

Overview

 

Sample Customers

Strava, The New York Times, Spotify, Blue Bottle Coffee Company, Eventbrite, Box, Circa, Stripe
Verizon, Rakuten,Nationwide, DHL, Westfield, Telefonica, 7-Eleven, Red Robin, Intuit, eBay,Darden, Suncorp, Tyco, Xerox, and ModCloth.
Find out what your peers are saying about Slack Business - Enterprise vs. Yammer and other solutions. Updated: September 2025.
871,358 professionals have used our research since 2012.