This product assessment analyzes 9 recent reviews of Slack, focusing on its impact on business objectives and the software commonly used alongside it. Slack is a widely-used communication and collaboration platform designed to facilitate real-time messaging, file sharing, and integration with other business tools. Reviewer feedback suggests that Slack can improve productivity, with 2 of 9 reviewers explicitly mentioning gains in efficiency. However, it's not without its drawbacks; 2 of 9 reviewers noted that notification overload can be a significant source of distraction, potentially hindering focus and productivity. The reviews also indicate that Slack is often used in conjunction with other software, including Microsoft Teams and ADP Software, each mentioned by 2 reviewers. Overall, Slack presents a mixed bag: a potentially valuable tool for enhancing communication and collaboration, but one that requires careful management to avoid the pitfalls of information overload. Given the small sample size, these findings should be interpreted as directional rather than definitive.

Pros

Potential to improve productivity and efficiency
Facilitates real-time communication and collaboration
Integrates with other business tools

Cons

Notification overload can lead to distractions
Potential for reduced focus due to constant interruptions
Requires active management to avoid negative impacts on productivity

What positive or negative impact (i.e. Return on Investment or ROI) has Slack had on your overall business objectives?

From 9 reviews | Last Published April 23, 2026

Summary

This report analyzes 9 recent reviews to assess the impact of Slack on business objectives. Reviewers highlighted productivity gains, with 2 of 9 reviewers mentioning improvements in productivity and efficiency. However, a similar number of reviewers (2 of 9) cited notification overload as a potential source of inefficiency and distraction. Given the small sample size, these findings should be interpreted as directional rather than definitive. The reviews suggest that while Slack can enhance productivity, users should be mindful of managing notifications to avoid negative impacts on focus and overall effectiveness.

Slack Reviews

631 Reviews

Best communication tool for remote teams

Rating: 10 out of 10

June 25, 2025

Use Cases and Deployment Scope

I use Slack as the main (and almost only) communication platform in my company. I use Slack every day to communicate with my team (we are a remote company) as it helps us to stay in constant communication and on top of all our responsibilities. With Slack, we can also have calls right away to resolve any problems.

Pros

Easy to use
Helps to have fast calls on the same platform
Easy to send messages
User friendly

Cons

Template
Saved messages
Keep unread messages

Likelihood to Recommend

Slack is one of the best messaging apps for remote teams. It has a lot of different features like huddles, group text, channels, and more. It also has cool things like emojis. One of the best parts is that the calls work really well and when you do a huddle it automatically puts a status on your profile.

Verified User

Employee in Marketing (201-500 employees)

Vetted Review

5 years of experience

Slack to bring your team closer

Rating: 10 out of 10

June 24, 2025

Use Cases and Deployment Scope

We are a complete Remote organisation. It helps us communicate and collaborate better by providing various features. Not only the Collaborations, Slack offers various integration features which makes handling work and getting notified by important updates extremely easier. It gives amazingly large number of integrations. Also you can raise issues on JIRA, Start an instant Google meet, preview a GDrive file, no matter what device your Slack is on, it works like a dream. Slack really has taken the remote work at another level. We also manage the Admin part of Slack, it is easier to get the accesses created using various integrations again. You know how clearly it has taken care of the User end and the Admin end at another level. Also there are various basic features which helps without even making it seem like a big deal, but without them daily lives will be so difficult. Truly, an amazing job on creating this job.

Pros

Collaboration I think too primary, but it has set the bar high
GIFs, fun emojis, ooo how can I miss custom emojis, is so FUN
Integrations woah, N number of integrations to make your lives easier

Cons

some very small functionalities like Last seen is not accurate sometimes
Read recipient feature absent dont know if its a pro or a Con
limited types of access control

Likelihood to Recommend

Slack is an amazing product that comes light on the pocket best for the small businesses, works amazing for a small team.
No external collaboration option, without giving them the access to the Workspace. I think there should be a workaround for this as well

Verified User

Administrator in Information Technology (201-500 employees)

Vetted Review

2 years of experience

Slack is the best communication tool for remote work.

Rating: 10 out of 10

Incentivized

June 19, 2025

Use Cases and Deployment Scope

Slack is our primary internal communication tool. We are a remote company that relies heavily on Slack to stay in contact with one another and share department and company-wide updates. We make heavy use of various channels, including both public and private, as well as direct messages (DMs). Overall, we could not function without Slack. I also use workflows to automate and improve certain processes.

Pros

Channels for teams/specific projects.
Threading to avoid clutter in channels.
Search
Organization of DMs, channels, notifications, etc.
Schedule send.

Cons

More options for saving for later.
Cleaning up the clutter of messages you've already read and responded to.
Audio on huddle.

Likelihood to Recommend

Slack is significant for companies of all sizes because the organization it brings is proper, regardless of the company's size. It is well suited for intra/inter-department communication, company-wide information, project updates and channels, simple workflow automations, direct messaging, integrations (there are so many like Google Calendar, Gdrie, Donut, Rattle, Salesforce, etc), informal chats with Huddle, Huddle screenshare, and for use on mobile devices.

Verified User

Contributor in Sales (201-500 employees)

Vetted Review

6 years of experience

Slack The real time collaboration hub that powers our data engineering workflows

Rating: 8 out of 10

May 23, 2025

Use Cases and Deployment Scope

In our organization, Slack is the primary communication platform for internal collaboration across departments. We use for managing team workflows through integrations, file sharing and messaging. Slack help us to enhance remote collaboration ex: team members working in different locations can stay connected easily. It helps in replacing long email threads and helps resolve issues faster. Scope of our use case with Slack is to support both synchronous and asynchronous communication. We use Slack huddles for quick voice calls and Slack connect to collaborate with external vendors securely.

Pros

Faster incident response: with real time alerts and discussions in threads
Reduced context switching: Integrations allow us to view logs, pull requests updates and tasks assignments.
Remote Efficiency: Especially useful for our hybrid/remote setup

Cons

Thread Management gets messy
Search experience is limited
Poor performance with large message history

Likelihood to Recommend

When a prod ETL job fails, Slack enables immediate coordination across teams. For example if a Snowflake pipeline fails alerts are posted in a monitoring channel via an Airflow integration.
Long discussions about data architecture, schema design or onboarding documents are harder to manage in Slack, Message gets burried and important insights are lost in the scroll.

Verified User

Team Lead in Information Technology (1001-5000 employees)

Vetted Review

2 years of experience

Powerful tool for team collaboration

Rating: 10 out of 10

Incentivized

May 5, 2025

Use Cases and Deployment Scope

I use Slack virtually anytime I need to communicate with one of my team members. I will shoot them a quick DM, or I can Huddle them if we need to talk through something vocally or share our screen. I'll often send audio messaged through direct message as well. My company will also post important updates in group channels that are critical for me to see.

Pros

Good UI, easy to use
Team conversations in large channels with easy tagging
Powerful search functionality
Integrations with third party tools

Cons

Too many notifications
Poor thread management
Limited file storage

Likelihood to Recommend

Slack is great for project-based work. You can organize channels and conversations around specific projects. You can use #s to keep discussions organized, and provide updates while certain users are still offline.

Slack is not the best suited for knowledge base management or heavy document management. It is often difficult to search for files that were once shared, and there are also size limits on files.

Verified User

Employee in Sales (11-50 employees)

Vetted Review

4 years of experience

Slack use in tandem with Miro

Rating: 9 out of 10

Incentivized

May 1, 2025

Use Cases and Deployment Scope

Our team uses Slack in tandem with Miro. Slack helps us track Miro notifications live, which is something that Miro is lacking in. We use the same email group for our team so everyone sees every comment in real time. This helps us immensely because our team is across continents.

Pros

Notificaitons
App usage
Quick communication

Cons

When one team member clicks on the app, the notication goes away
Change of settings
team creation

Likelihood to Recommend

Slack works really well for quick communication between companies. We use this with our partners for live updates on projects. We use Slack in tandem with Miro, which is super helpful for the projects that we work on. It might work a little better if every team member used their own email for an account, that isn't how our team uses.

Verified User

Account Manager in Sales (201-500 employees)

Vetted Review

2 years of experience

The next best thing to communicating in an office

Rating: 10 out of 10

Incentivized

April 30, 2025

Use Cases and Deployment Scope

Through Slack my organization is able to silo important discussions and reach solutions to both internal and customer-related questions. Slack easily integrates with Google which is important for sharing and housing documents. Slack also allows the team to communicate via video chat which is useful for quick huddles and large ideas that are tough to convey through messages.

Pros

Organizing chats between individuals and groups
Linking to Google for document sharing
Video calls

Cons

Customizing the desktop view
Keys like enter/shift are different in the slack text box
AI summarizing for vacation messages would be nice

Likelihood to Recommend

Slack is great for businesses that have between 50-500 employees because it makes interoffice communication simple and keeps discussions focused and organized. You can quickly search for old messages with their search feature. The issue with Slack is that it can be a bit cluttered depending on all of the different channels you have open but those can easily be muted or removed from your view.

Verified User

Account Manager in Customer Service (501-1000 employees)

Vetted Review

6 years of experience

Slack Review

Rating: 10 out of 10

Incentivized

April 25, 2025

Use Cases and Deployment Scope

Slack is a very easy and useful app, using Slack we can chat one to one and we can create private and public channels , helps teams communicate and collaborate on projects huddle system was good we can work together easy way to search the messages, it is very useful for IT industries now a days. Mast of them are love to use Slack now an days

Pros

direct messages
huddling system
creating a public and private channels
Add template to channel
easy to Communicate with clients

Cons

difficulty to finding a files
when a message posted in channel , we can't see whether the person the read the messages or not.
too many notifications

Likelihood to Recommend

it is well suited for IT industries and easy to approach the clients

Prashanth T

Senior software engineer in Information Technology at kohls (201-500 employees)

Vetted Review

3 years of experience

Slack makes connecting easier

Rating: 9 out of 10

Incentivized

April 24, 2025

Use Cases and Deployment Scope

Our company has a high number of remote employees and Slack is the primary way we communicate via messages and huddles. I am a payroll manager and Slack makes it easy to reach out to employees for quick corrections or data that may be needed to move payroll forward. Employees can also reach out to me quickly for assistance with any questions they may have.

Pros

Instant Messaging
Huddles
Quick effective communication

Cons

Sometimes have issues with sound during huddles

Likelihood to Recommend

Slack is well suited for quick responses. Sometimes an email may get overlooked. Its less appropriate for sending important documents or sensitive information.

Verified User

Professional in Human Resources (1001-5000 employees)

Vetted Review

3 years of experience