Shipvane · 4 AE roles
Marco E. · joined Cargolio
Fleetora · first roles in DEMicrosoft Teams VS Slack_
As of 4 November 2026, Slack is named by 5,079 companies and Microsoft Teams by 14,547; Microsoft Teams skews to companies under 200 people (37% vs 63%), Slack to companies over 1,000 (12% vs 32%).
As of 4 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
The website-and-DNS footprint is not comparable between a marketing suite and a CRM: Microsoft Teams's script and mail records show on hundreds of thousands of small sites, Slack rarely leaves a trace outside its own apps. Compare on the job-posting numbers; use the footprint for reach.
- Microsoft Teams: 2–200 employees
- 37%
- Slack: 2–200 employees
- 63%
- Microsoft Teams: 1,000+ employees
- 32%
- Slack: 1,000+ employees
- 12%
- Postings per company, 90 days
- 3.3 · 3.3
- Website or DNS footprint
- 2,219,051 · 15,520
Who chooses which
Share of each tool's companies in every segment. "Leans" marks a gap of more than two points.
| Segment | Microsoft Teams | share | Slack | share | Leans |
|---|---|---|---|---|---|
| Self-employed | 190 | 1% | 286 | 6% | Slack |
| 2-10 employees | 796 | 5% | 764 | 15% | Slack |
| 11-50 employees | 1,478 | 10% | 1,195 | 24% | Slack |
| 51-200 employees | 3,058 | 21% | 1,260 | 25% | Slack |
| 201-500 employees | 2,520 | 17% | 607 | 12% | Microsoft Teams |
| 501-1000 employees | 1,835 | 13% | 375 | 7% | Microsoft Teams |
| 1001-5000 employees | 2,591 | 18% | 387 | 8% | Microsoft Teams |
| 5001-10000 employees | 752 | 5% | 75 | 1% | Microsoft Teams |
| 10,001+ employees | 1,327 | 9% | 130 | 3% | Microsoft Teams |
| Segment | Microsoft Teams | share | Slack | share | Leans |
|---|---|---|---|---|---|
| Business & finance services | 3,152 | 22% | 1,100 | 22% | even |
| Manufacturing & industry | 2,261 | 16% | 259 | 5% | Microsoft Teams |
| Technology & software | 1,999 | 14% | 2,217 | 44% | Slack |
| Public, community & associations | 1,505 | 10% | 247 | 5% | Microsoft Teams |
| Health care | 1,112 | 8% | 133 | 3% | Microsoft Teams |
| Property & construction | 1,078 | 7% | 96 | 2% | Microsoft Teams |
| Consumer services & leisure | 1,015 | 7% | 300 | 6% | even |
| Commerce & trade | 649 | 4% | 178 | 4% | even |
| Utilities & infrastructure | 529 | 4% | 55 | 1% | Microsoft Teams |
| Transport, logistics & rental | 369 | 3% | 53 | 1% | even |
| Media & content | 328 | 2% | 331 | 7% | Slack |
| Automotive | 294 | 2% | – | – | outside top 12 |
| Hospitality & travel | – | – | 73 | 1% | outside top 12 |
| Segment | Microsoft Teams | share | Slack | share | Leans |
|---|---|---|---|---|---|
| United States | 9,134 | 63% | 3,493 | 69% | Slack |
| Germany | 1,117 | 8% | 199 | 4% | Microsoft Teams |
| United Kingdom | 910 | 6% | 325 | 6% | even |
| Canada | 710 | 5% | 122 | 2% | Microsoft Teams |
| France | 327 | 2% | 96 | 2% | even |
| Australia | 248 | 2% | 53 | 1% | even |
| Netherlands | 221 | 2% | 40 | 1% | even |
| Switzerland | 127 | 1% | – | – | outside top 12 |
| Brazil | 110 | 1% | 39 | 1% | even |
| Sweden | 95 | 1% | – | – | outside top 12 |
| Belgium | 90 | 1% | – | – | outside top 12 |
| India | 86 | 1% | 64 | 1% | even |
| Japan | – | – | 70 | 1% | outside top 12 |
| Poland | – | – | 35 | 1% | outside top 12 |
| Spain | – | – | 31 | 1% | outside top 12 |
| Segment | Microsoft Teams | share | Slack | share | Leans |
|---|---|---|---|---|---|
| IT operations & business systems | 6,875 | 12% | 1,340 | 6% | Microsoft Teams |
| Administration & office | 4,642 | 8% | 1,067 | 5% | Microsoft Teams |
| Education & training | 3,894 | 7% | 165 | 1% | Microsoft Teams |
| Sales | 3,714 | 6% | 1,711 | 8% | even |
| Product, program & project management | 3,247 | 6% | 1,004 | 5% | even |
| Engineering (non-software) | 2,348 | 4% | 214 | 1% | Microsoft Teams |
| Marketing & communications | 2,248 | 4% | 3,971 | 18% | Slack |
| Finance & accounting | 2,064 | 4% | 501 | 2% | even |
| Customer service & success | 1,847 | 3% | 1,299 | 6% | Slack |
| Human resources | 1,495 | 3% | 551 | 3% | even |
| skilled trades and field service | 1,336 | 2% | 101 | 0% | even |
| Quality, safety & environment | 1,309 | 2% | – | – | outside top 12 |
| Software engineering | – | – | 2,196 | 10% | outside top 12 |
| Data & AI | – | – | 671 | 3% | outside top 12 |
| Design & UX | – | – | 387 | 2% | outside top 12 |
| healthcare clinical | – | – | 319 | 1% | outside top 12 |
| Business development & strategy | – | – | 306 | 1% | outside top 12 |
| Unclassified | – | – | 306 | 1% | outside top 12 |
| General management & consulting | – | – | 302 | 1% | outside top 12 |
| logistics warehouse and transport | – | – | 249 | 1% | outside top 12 |
| arts media and entertainment | – | – | 245 | 1% | outside top 12 |
| Legal, compliance & risk | – | – | 239 | 1% | outside top 12 |
| Retail & store operations | – | – | 150 | 1% | outside top 12 |
| social care and community | – | – | 140 | 1% | outside top 12 |
| hospitality and food service | – | – | 128 | 1% | outside top 12 |
| facilities cleaning and security | – | – | 125 | 1% | outside top 12 |
| Travel, leisure & events | – | – | 123 | 1% | outside top 12 |
| healthcare support and caregiving | – | – | 120 | 1% | outside top 12 |
| manufacturing and production | – | – | 81 | 0% | outside top 12 |
| real estate and property | – | – | 69 | 0% | outside top 12 |
| construction and civil | – | – | 58 | 0% | outside top 12 |
The companies behind each column
Companies using Microsoft Teams →
Companies using Slack →
Team chat ranked →
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Slack is named by 5,079 companies in job postings and Microsoft Teams by 14,547; 776 name both. (Breaknorm, 4 November 2026, https://breaknorm.co/compare/microsoft-teams-vs-slack)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- Job postingsRead hourly from career sites. A tool counts when the employer's own text names it as the team's system; both tools can count for one company.
- Website and DNSScripts and embeds on the company's pages, plus SPF, DKIM, MX and CNAME records of its domain that point at the vendor.
- SegmentsCountry, size and industry from the company profile built from its website.
- Not a reviewNo ratings, prices or feature claims. For those, read the vendors.
Microsoft Teams vs Slack: questions
Which is more used, Microsoft Teams or Slack?
By companies naming it in their own job postings, Microsoft Teams (14,547) over Slack (5,079). By website-and-DNS footprint, Microsoft Teams (2,219,051 vs 15,520), because its scripts and mail records sit on many small company sites.
Who chooses Microsoft Teams?
37% of Microsoft Teams companies have 2 to 200 employees, against 63% for Slack. 32% of Microsoft Teams companies have over 1,000 employees, against 12% for Slack.
Do companies run both?
776 companies name both in their postings, usually Microsoft Teams in marketing and Slack in sales, or during a migration.
Where do these numbers come from?
From the employer's own text in job postings read hourly from career sites, and from scripts found on company websites in our crawl. No vendor data, no surveys.
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