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Slack

Acquired

San Francisco, California, USA · Founded 2013

5001-10000 employees · NYSE:CRM

Sourced & current · updated Jun 1, 20260 of 5 facts verifiedWebsite

Slack is a cloud-based team collaboration and messaging platform owned by Salesforce, widely used by businesses to streamline communication, integrate workflows, and replace email-centric work culture.

Where they sit

Stack tier: Extended Ecosystem (D)

Marketing Technology

One of the leading workplace messaging and collaboration platforms globally, now integrated into Salesforce's enterprise ecosystem as a flagship product

Ownership

Parent: Salesforce

Competitors

Recent moves

Pre-call brief from ATDb — sourced from the live database, current as of Jun 1, 2026. Not a static screenshot.