Slack
USAWho owns Slack?
Slack is an American SaaS company, now owned by Salesforce, which acquired it in 2021 from Aglaé Management and Index Ventures.
General Atlantic is still listed as an investor in Slack, status not confirmed after the 2021 sale.
Hand-verified · updated 2026-09-30
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Key facts
- ·Held by General Atlantic since 2018 (8Y hold).
- ·Average hold across 4 realized cycles: 4 years.
- ·5 distinct PE sponsors across ownership cycles.
Ownership history
5 ownership periods · co-invest detected
Aglaé Management sold Slack to Salesforce in 2021 after 6 years.
Index Ventures sold Slack to Salesforce in 2021 after 6 years.
Bullhound Capital took Slack public via IPO in 2019 after 1 year.
Global Founders Capital took Slack public via IPO in 2019 after 1 year.
More from General Atlantic Growth Equity Fund
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NetherlandsMore PE-backed in SaaS
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Questions
Who owns Slack?
Slack is now owned by Salesforce, which acquired it in 2021 from Aglaé Management and Index Ventures. General Atlantic is still listed as an investor in Slack, status not confirmed after the 2021 sale.
When did Salesforce acquire Slack?
Salesforce acquired Slack in 2021, buying from Aglaé Management and Index Ventures.
Who did Slack sell to?
Aglaé Management and Index Ventures sold Slack to Salesforce in 2021 (Trade Sale).
Who has owned Slack over time?
Slack has been through 5 private-equity ownership periods: Aglaé Management · via Aglaé Ventures · 2015–2021 · sold to Salesforce · (Trade Sale); Index Ventures · via Index Ventures Growth III · 2015–2021 · sold to Salesforce · (Trade Sale); Global Founders Capital · via GFC Global Founders Capital Fund II · 2018–2019 · (IPO); Bullhound Capital · via GP Bullhound Fund IV · 2018–2019 · (IPO); General Atlantic · via General Atlantic Growth Equity Fund · 2018–2019.