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Slack

HQ San Francisco, USFounded 2009private otherWebsite @SlackHQ
Composite score
15.7
rank #35 · cuts
Headcount
2.4k
0.0%
90d change
-0.5%
Funding events (90d)
0
Layoff events (90d)
0

Signals

source: PDL v25
Inferred revenue
$1B-$10B
PDL estimate
Revenue / employee
$2.3M
midpoint ÷ headcount
12-month turnover
17.9%
within typical band
Average tenure
3.3 yrs
long — sticky culture
Time since last raise
no rounds on record
LinkedIn followers
1.7M
brand reach

Hiring flow · Slack

source: PDL v25

Headcount by role

12-month growth · PDL v25
Engineering
1,132
0%
Sales
212
-12%
Operations
153
-16%
Product
131
-6%
Marketing
103
-18%
Support
96
-26%
Fulfillment
60
-21%
Analyst
47
-15%
Other
199

In the news

relevance ≥ 6 · last 180 days
No recent mentions across our tracked sources.

Events

Layoff · 2.45% (80 roles)
Departures in 2023-04: 131 vs 6-mo baseline of 51.5 (2.54× spike). Derived from PDL.
3y ago
Layoff · 3.11% (106 roles)
Departures in 2023-03: 157 vs 6-mo baseline of 51.5 (3.05× spike). Derived from PDL.
3y ago

Score history

2026-05-18
15.7
rank #35
2026-05-11
15.7
rank #35
2026-05-04
15.7
rank #35
2026-04-27
15.7
rank #36
2026-04-20
9.6
rank #39
2026-04-13
9.6
rank #39
2026-04-06
9.6
rank #39
2026-03-30
9.6
rank #40
2026-03-23
19.6
rank #30
2026-03-16
19.6
rank #30
2026-03-09
19.6
rank #30
2026-03-02
19.6
rank #30