Slack

Internal messaging and collaboration solutions for teams

San Francisco United States (HQ), San Francisco United States

Deals in the last 12 months undisclosed

Launch date

2009

Employees

2,796 people

Ownership

Market cap

Net debt

$14.2b

Firm valuation

€22.0b (Public information from 2021)

Revenues, earnings & profits over time

USD	2016	2017	2018	2019	2020E	2021E	2022E
Revenues	-	-	-	401m	630m	888m	1.1b
% growth	-	-	-	-	57 %	41 %	29 %
EBITDA	-	-	-	(114m)	(108m)	(29m)	(19m)
% EBITDA margin	-	-	-	(28 %)	(17 %)	(3 %)	(2 %)
Profit	-	-	-	-	(571m)	(320m)	(334m)
% profit margin	-	-	-	-	(91 %)	(36 %)	(29 %)
EV / revenue	-	-	-	-	16.9x	27.2x	21.2x
EV / EBITDA	-	-	-	-	-98.8x	-826.0x	-1237.0x

Date	Investors	Amount	Round
-	SV Angel Marc Andreessen Oleg Tscheltzoff Bond	N/A	- Not yet verified
Apr 2013	FundersClub	N/A	LATE VC
Apr 2014	Accel Andreessen Horowitz Social Capital Anthony Casalena Rob Solomon Jeff Weiner John Collison Patrick Collison Jeremy Stoppelman Biz Stone Bradley Horowitz	$42.8m	SERIES C
Oct 2014	Accel Kleiner Perkins Andreessen Horowitz GV Social Capital Slow Ventures	$120m Valuation: $1.1b	SERIES D
Apr 2015	Accel Index Ventures Horizons Ventures Kleiner Perkins Andreessen Horowitz DST Global GV Spark Capital Institutional Venture Partners Social Capital Slow Ventures Groupe Arnault	$160m Valuation: $3.8b	SERIES E
Apr 2016	Accel Index Ventures Thrive Capital Institutional Venture Partners Social Capital GGV Capital Comcast Ventures	$200m Valuation: $3.6m	SERIES F
Jul 2017*	Accel Thrive Capital Spark Capital GGV Capital SoftBank	$250m Valuation: $5.1b	SERIES G
Sep 2017	Global Founders Capital	$250m	SERIES G
Aug 2018	General Atlantic Dragoneer Investment Group	$427m Valuation: $7.1b	GROWTH EQUITY
Jun 2019	N/A	N/A Valuation: $15.7b	IPO
Dec 2020	Salesforce	$28.0b Valuation: $28.0b	ACQUISITION
Total Funding		€1.3b