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Eligibility summary
This Slack offer is available if you meet the following criteria:
- Your company has no more than 200 employees
- Suitable for new or existing Slack workspaces that meet the size requirement
- Suitable for teams upgrading to Slack Pro or Slack Business+
The discount applies for 12 months and cannot be combined with other Slack promotions.
How to redeem the Slack offer
You do not need to enter a Slack promo code for this one, simply:
- Log in to your FounderPass account
- Click the Slack deal link on this page
- Follow the instructions on the Slack landing page
- The 25% discount is applied automatically to your eligible upgrade
If you experience any issues, our team can help you through the process.
About Slack
Slack has become one of the most widely adopted tools in modern business and this is mainly down to its ability to make communication faster, clearer and easier to manage as your team grow.
At its core, Slack replaces long email threads with organised conversations, channels keep topics focused and direct messages keep decisions moving whilst the search function keeps knowledge accessible.
Slack is no longer just chat, it has evolved into a collaboration platform that connects your people, your tools and your workflows in one place.
From a founder point of view, Slack solves three major problems:
- It reduces internal friction
- It improves visibility across teams
- It keeps knowledge from getting lost
As your business grow, those three things become increasingly important and its way so many founders opt to use it.
Productivity through automation and integrations
Slack connects with over 2,600 apps, allowing teams to bring notifications, updates and actions directly into their workspace. You can connect tools like Google Drive, Calendar, Zoom, Asana, Trello, AWS, CRM systems and many more.
Slack also allows you to build simple no-code workflows to automate everyday tasks, approvals and reminders. Combined with AI features, this helps teams move faster with less manual work.
How teams use Slack day to day
Teams use Slack for:
- Project communication
- Quick decisions and updates
- Team meetings and huddles
- File sharing and collaboration
- Knowledge search and history
- Partner and customer communication via Slack Connect
It works for fully remote teams, hybrid teams and office based teams alike.
Slack free vs paid
Slack offers a free plan, which is great for early testing. But most growing teams eventually move to a paid plan for:
- Full message history access
- Group video and audio huddles with screen sharing
- Slack Connect with external organisations
- Unlimited integrations
- Advanced security and admin controls
For most businesses, the paid plans quickly become worth it once Slack becomes a core communication tool.
Slack integrations
Slack’s integration ecosystem is one of its biggest strengths. Most of the tools your business already uses can connect directly to Slack, helping reduce context switching and keeping teams informed in real time.
This is one of the reasons Slack often becomes the central hub rather than just another app.
Our founder view
Slack is one of those tools that quietly becomes essential, It does not just replace email but it changes how teams work together.
And with this 25% discount, founders can upgrade earlier and build better communication habits from the start.
Slack alternatives
Some teams explore alternatives based on budget, simplicity or existing ecosystems. However, Slack remains the most widely adopted platform for business communication due to its flexibility, integrations and reliability.
The best choice depends on how central communication is to your business operations.
Slack FAQ
Does the 25% discount apply to all Slack plans?
It applies to Slack Pro and Slack Business+ plans only.
Can larger companies use this?
It depends on how large, this promotion is limited to companies with no more than 200 employees.
What happens after 12 months?
After the 20% off for 12 months period comes to an end, your billing will revert to standard Slack pricing, you can of course cancel at this point if you wish to.
Is Slack suitable for very small teams?
Yes, although it is used by companies with thousands of team members, it is also great for founders as soon as they have more than one or two team members.
Deal change log
- January 12, 2026 - Updated description