The AI Index
Back to Cuts
CutAttritionProductivity

Slack

HQ San Francisco, USFounded 2009private otherWebsite @SlackHQ
Composite score
53.2
rank #33 · cuts

#33 Cut. 2.6k employees.

Watch Slack · One email when its rank, headcount or news changes. Mondays, only when something moved.
Head-to-headvs Granolavs Linearvs Notionvs Otter.ai
Headcount
2.6k
-0.3%
90d change
-1.1%
Funding events (90d)
0
Layoff events (90d)
0

headcount + trends: LinkedIn-tracked weekly series · funding & layoff counts: through Jul 2026 (frozen) + live news extraction

Signals

source: PDL v25
Inferred revenue
$1B-$10B
PDL estimate
Revenue / employee
$2.1M
midpoint ÷ headcount
12-month turnover
15.1%
within typical band
Average tenure
3.5 yrs
long — sticky culture
Time since last raise
no rounds on record

Hiring flow · Slack

source: PDL v25

Headcount by role

12-month growth · PDL v25
Engineering
1,168
-2%
Sales
205
-13%
Operations
155
-5%
Product
136
-4%
Support
105
-20%
Marketing
103
-13%
Fulfillment
62
-14%
Analyst
51
-13%
Other
204

In the news

relevance ≥ 6 · last 180 days
  1. The VergeHeadline5d ago
    Slack is launching collaborative vibe-coding channels

    Article is entirely about Slack's new Code product launch featuring AI-assisted collaborative coding.

  2. DecryptHeadline1mo ago
    Jack Dorsey's Block Launches Buzz, a Nostr-Based Slack and GitHub Rival for AI Agents

    Named in title and article as competitor; Block explicitly built Buzz to reduce dependency on Slack.

  3. TechCrunch1mo ago
    Jack Dorsey is taking on Slack with Buzz, a group chat platform for teams and their AI agents

    Slack is named as the primary competitive target for Buzz; article discusses how Buzz aims to improve upon and replace Slack workflows.

  4. TechCrunchHeadline2mo ago
    Anthropic’s Claude Tag is learning your company, one Slack message at a time

    Slack is the platform where Claude Tag operates; central to the feature but not the subject of the article.

Machine-readablesignals RSSJSON APIAPI & MCP docs

Events

Layoff · 2.37% (78 roles)
Departures in 2023-04: 127 vs 6-mo baseline of 49 (2.59× spike). Derived from PDL.
3y ago
Layoff · 2.97% (102 roles)
Departures in 2023-03: 151 vs 6-mo baseline of 49 (3.08× spike). Derived from PDL.
3y ago

Score history

2026-08-24
53.2
rank #33
2026-08-17
53.8
rank #30
2026-08-10
44.9
rank #31
2026-08-03
20.1
rank #31
2026-07-27
17.9
rank #30
2026-07-20
32.3
rank #37
2026-07-13
42.8
rank #21
2026-07-06
43.8
rank #13
2026-06-29
28.0
rank #6
2026-06-22
28.0
rank #6
2026-06-15
39.1
rank #45
2026-06-08
10.8
rank #26