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Unified Communications

10–100 Companies
18 Sep 2017
$250,000,000
Venture capital (Series G)
Accel Partners, SoftBank’s Vision Fund

Slack valued at $5.1 billion with new funding in hand

CNET
+1
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
29 Dec 2016
$500,000
Debt financing
12 May 2016
$1,000,000
Venture capital

SEC FORM D

sec
01 Apr 2016

Slack raises $200 million at $3.8 billion valuation

ZDNet
+8
19 Jan 2016
$12,500,000
Venture capital (Series B)

Japan’s ChatWork Lands $12.5M To Grow Its Business Messaging App In The U.S.

TechCrunch
+2
27 Apr 2015
$2,500,000
Venture capital (Series A)
16 Apr 2015
$160,000,000
Venture capital (Series E)

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

TechCrunch
+5
05 Nov 2014
$350,000
Seed fund
01 Nov 2014
Venture capital (Series A)