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Slack

Slack

Slack

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16 Jun 2017
$500,000,000
Venture capital

Slack is raising another $500 million — and has attracted interest from a range of big buyers like Amazon

Re/code
+1
01 Apr 2016
$200,000,000
Undisclosed
Added by

Slack raises $200 million at $3.8 billion valuation

ZDNet
+8
16 Apr 2015
$160,000,000
Venture capital (Series E)
Added by

Used Daily By 750K Workers, Slack Raises $160M, Valuing Collaboration Startup At $2.8B

TechCrunch
+5
31 Oct 2014
$120,000,000
Venture capital (Series D)
Added by

Slack Communication Hub Raises $120 Million

Re/code
+3
01 Apr 2014
$42,750,000
Venture capital (Series C)
Added by

Slack, Stewart Butterfield’s Collaboration Software Startup, Has Raised $42.75M

TechCrunch
01 Apr 2011
$10,700,000
Venture capital (Series B)
Added by

Glitch Has Finally Ironed Itself Out: Beta Next Week And $10.7 Million In New Funds

TechCrunch
01 Apr 2010
$5,000,000
Venture capital (Series A)
Added by

Stewart Butterfield's Tiny Speck Gets $5M From VCs

Gigaom
22 Mar 2010
Seed fund
Added by
01 Jan 2009
$1,500,000
Seed fund
Rob Solomon, Bradley Horowitz, Marc Andreessen, +2
Added by

Watching the birth of Flickr co-founder's gaming start-up

CNET