SaaStr · 2015-09-10 · 3919d

Slack Technologies' Capital Raising Strategy: From Second-Time Founder to Unicorn

Jason Lemkin analyzes how Slack Technologies raised substantial capital by leveraging founder Stewart Butterfield's prior success with Flickr, building initial funding through the Glitch gaming company, and then compounding growth through exceptional product-market fit. The article emphasizes that Slack's success was a six-year journey rather than an overnight phenomenon, with capital following extraordinary growth metrics that placed it in the top 1% of SaaS businesses.

2 metrics· Cited 0× in the knowledge base ·Open source ↗

Metrics in this report

Seed/Series A Capital Range for Repeat Founders

2-10$m

typical range

Repeat founder with prior successful exit

Slack Growth Percentile vs SaaS Peers

99%

percentile

Paid freemium/SaaS businesses post-2014 explosion