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Companies funded by Greylock

Early-stage venture firm with a strong enterprise and AI footprint.

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Ranked by current headcount across companies in Greylock's disclosed portfolio. Refreshed daily.

  1. 1
    Meta· Menlo Park, California, United States
    • Post-IPO debt
    • 160.2k employees
    • Founded 2014
  2. 2
    Airbnb· San Francisco, California, United States
    • Post-IPO debt
    • 68.6k employees
    • Founded 2007
  3. 3
    Instagram
    • Series B
    • 53.3k employees
    • Founded 2010
  4. 4
    ServiceNow· Santa Clara, California, United States
    • Post-IPO debt
    • 35.1k employees
    • Founded 2004
  5. 5
    Staples· Framingham, Massachusetts, United States
    • Grant
    • 29.3k employees
    • Founded 1986
Reveal 358 more·100 free credits, no card

Find engineers and founders in Greylock’s portfolio

Greylock’s portfolio is a curated bet on the next wave of category-defining companies. The list above ranks Greylock-backed companies by current headcount, drawn from public LinkedIn and Crunchbase records. With 363 matching companies in our index, the depth of senior engineers, founders, and operators is significant.

Greylock’s companies tend to share a profile - strong technical founders, fresh capital, and access to the Greylock network. Hiring from these companies often means hiring from one of the most curated talent pools in tech.

Refolk turns this list into a search. Ask for “Greylockportfolio companies hiring senior ML engineers” or “founders of Greylock-backed companies who left in the last year” and Refolk returns a fresh ranked shortlist.

How this list is built

Refolk pulled companies whose disclosed Crunchbase investor list includes Greylock, ranked them by current employee count, and kept those with at least 5 employees. The list refreshes once a day.

Last refreshed: Sun, 21 Jun 2026 09:15:36 GMT

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