Slack logo

Slack Funding & Investors

When your team needs to kick off a project, hire a new employee, deploy some code, review a sales contract, finalize next year's budget, measure an A/B test, plan your next office opening, and more, Slack has you covered.

slack.com

Total Amount Raised: $1,391,099,904

Slack Funding Rounds

  • Series H

    $427,000,000

    Series H Investors

    Dragoneer Investment Group
    Wellington Management
    SoftBank Investment Advisers
    Baillie Gifford
    Accel
    General Atlantic
    Sands Capital Ventures
    T. Rowe Price
  • Series F

    $208,000,000

    Series F Investors

    Institutional Venture Partners (IVP)
    Ling Wong
    Index Ventures
    ACME Capital
    Comcast Ventures
    Thrive Capital
    Accel
    Social Capital
    Lowercase Capital
    GGV Capital
  • Series C

    $42,750,000

    Series C Investors

    John Collison
    Jeremy Stoppelman
    FundersClub
    David Sacks
    Rob Solomon
    Anthony Casalena
    Biz Stone
    Social Capital
    Accel
    Bryan Rosenblatt
    Jeff Weiner
    Andreessen Horowitz
  • Series B

    $10,700,000

    Series B Investors

    Next Play Ventures
    Alfred Chuang
    Accel
    Andreessen Horowitz
  • Series A

    $5,000,000

    Series A Investors

    Accel
    Andreessen Horowitz
  • Seed

    $1,500,000

    Seed Investors

    Rob Solomon
    Accel
    Marc Andreessen
    Jeff Weiner
    Bradley Horowitz
  • Series G

    $412,700,000

    Series G Investors

    SoftBank Investment Advisers
    Global Founders Capital
    Accel
    Riverside Ventures
    Moonshots Capital
  • Series E

    $172,700,000

    Series E Investors

    Dst Global
    Slow Ventures
    Institutional Venture Partners (IVP)
    Groupe Arnault
    Social Capital
    Andreessen Horowitz
    Spark Capital
    FundersClub
    Index Ventures
    Accel
    Kleiner Perkins Caufield & Byers
    GV
    Horizons Ventures
  • Series D

    $110,750,000

    Series D Investors

    Slow Ventures
    Accel
    Social Capital
    Kleiner Perkins Caufield & Byers
    GV
    Andreessen Horowitz
Funding info provided by Diffbot.