Slack

Fast growing
Most switched to
Updated Oct 27, 2026
56%
0% YoY
#2

Summary

  • Slack ranks #2 within the Communication category, maintaining its position month-over-month.
  • As of October 2026, 56% of organizations who have a vendor in the Communication category use Slack: up < 1 percentage points from last year.
  • Slack has the highest adoption among mid-market companies (57%), compared to enterprise (56%), small-to-medium businesses (56%), and micro-SMB (56%).
  • Slack key capabilities include channel-based messaging, workflow automation, and third-party app integrations, supporting team communication and collaboration at scale.

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Key stats

56%
0% YoY
Mid-Market, 46%
41%
44%
#2
#1

Adoption Rates by company size

Company sizeAdoption rate
SMB56%
Mid-market57%
Enterprise56%

About Slack

Slack is a business messaging platform that organizes team communication into channels, direct messages, and integrations. It connects tools and people across organizations to streamline collaboration and workflows.

About this data

These insights come from Ramp’s procurement and renewal data, built on real-world transactions observed across our platform. Figures represent aggregated observations from Ramp Procurement and Renewals activity.

DateNew adopter shareCompetitor switch rateDominant FTE segmentAdoption rate (Enterprise)Adoption rate (Mid-Market)Adoption rate (SMB)
Sep 202641%44%Mid-Market, 46%56%57%56%
Aug 202640%44%Mid-Market, 45%54%57%56%
Jul 202642%44%Mid-Market, 45%55%57%56%
Jun 202640%44%Mid-Market, 46%55%56%56%
May 202638%44%Mid-Market, 46%53%56%56%
Apr 202636%44%Mid-Market, 46%52%56%56%
Mar 202635%44%Mid-Market, 47%53%56%56%
Feb 202638%44%Mid-Market, 47%52%56%56%
Jan 202636%44%Mid-Market, 47%51%55%56%
Dec 202540%44%Mid-Market, 47%52%55%56%
Nov 202538%44%Mid-Market, 47%51%55%56%
Oct 202536%44%Mid-Market, 47%51%55%56%
Sep 202538%44%Mid-Market, 47%51%55%56%
Aug 202537%42%Mid-Market, 47%49%55%56%
Jul 202543%42%Mid-Market, 47%49%55%57%
Jun 202536%42%Mid-Market, 47%50%55%57%
May 202530%42%Mid-Market, 47%51%55%57%
Apr 202533%43%Mid-Market, 47%52%56%57%
Mar 202534%43%Mid-Market, 47%53%56%58%
Feb 202535%45%Mid-Market, 47%53%56%58%
Jan 202535%45%Mid-Market, 47%52%56%58%
Dec 202434%47%Mid-Market, 47%54%57%58%
Nov 202436%49%Mid-Market, 46%55%57%59%
Oct 202434%49%Mid-Market, 46%58%57%59%

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