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Top SaaS companies in Seattle

Software-as-a-service vendors selling subscription cloud software to other businesses. Filtered to companies headquartered in Seattle.

Built from a search like: “Top SaaS companies in Seattle”

Ranked by current headcount across SaaS companies headquartered in Seattle. Refreshed daily.

  1. 1
    Amazon· Seattle, Washington, United States
    • Post-IPO debt
    • 786.5k employees
    • Founded 1994
  2. 2
    Expedia Group· Seattle, Washington, United States
    • Post-IPO debt
    • 21.8k employees
    • Founded 1996
  3. 3
    Coupang· Seattle, Washington, United States
    • Post-IPO equity
    • 9k employees
    • Founded 2010
  4. 4
    Wellpepper Inc· Seattle, Washington, United States
    • Debt
    • 3.5k employees
    • Founded 2012
  5. 5
    Attachmate· Seattle, Washington, United States
    • 3.3k employees
    • Founded 1981
  6. 6
    Tableau· Seattle, Washington, United States
    • Series unknown
    • 2.2k employees
    • Founded 2003
  7. 7
    Outreach· Seattle, Washington, United States
    • Secondary
    • 1.5k employees
    • Founded 2014
  8. 8
    RevOps Co-op· Seattle, Washington, United States
    • 1.3k employees
    • Founded 2020
  9. 9
    Keka HR· Seattle, Washington, United States
    • Series A
    • 1.2k employees
    • Founded 2015
  10. 10
    Highspot· Seattle, Washington, United States
    • Secondary
    • 1.1k employees
    • Founded 2012
  11. 11
    Porch Group· Seattle, Washington, United States
    • Post-IPO debt
    • 987 employees
    • Founded 2013
  12. 12
    AWS Elemental· Seattle, Washington, United States
    • Series D
    • 857 employees
    • Founded 2006
  13. 13
    Mineducate· Seattle, Washington, United States
    • 783 employees
    • Founded 2012
  14. 14
    Payscale· Seattle, Washington, United States
    • Series unknown
    • 740 employees
    • Founded 2002
  15. 15
    Qumulo· Seattle, Washington, United States
    • Series E
    • 664 employees
    • Founded 2012
  16. 16
    RealNetworks· Seattle, Washington, United States
    • Post-IPO equity
    • 573 employees
    • Founded 1994
  17. 17
    fabric· Seattle, Washington, United States
    • Series C
    • 564 employees
    • Founded 2017
  18. 18
    Leapfrog Technology, Inc.· Seattle, Washington, United States
    • 532 employees
    • Founded 2010
  19. 19
    ThriftBooks· Seattle, Washington, United States
    • 512 employees
    • Founded 2003
  20. 20
    The Seattle Public Library· Seattle, Washington, United States
    • 488 employees
  21. 21
    Concord Technologies· Seattle, Washington, United States
    • Private equity
    • 459 employees
    • Founded 2000
  22. 22
    Zonar Systems· Seattle, Washington, United States
    • Series unknown
    • 423 employees
    • Founded 2001
  23. 23
    Big Fish Games· Seattle, Washington, United States
    • Series unknown
    • 394 employees
    • Founded 2002
  24. 24
    Snap! Mobile· Seattle, Washington, United States
    • Series unknown
    • 389 employees
    • Founded 2014
  25. 25
    Bonanza· Seattle, Washington, United States
    • Series unknown
    • 376 employees
    • Founded 2008

Find engineers at SaaS companies in Seattle

Seattle has long been a hub for SaaS, and the list above ranks the largest SaaS companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 652 matching companies in our index, this is a good map of where the SaaS talent in Seattlelives — useful whether you’re recruiting, partnering, or sizing a market.

The biggest SaaS companies in Seattle tend to be the gravitational centres for specialised talent — senior engineers, ML researchers, applied scientists, designers — while the smaller ones compete on speed, equity, and proximity to founders.

Refolk converts this list into a live search. Ask for “SaaS engineers in Seattlehiring senior staff” or “founders of SaaS companies in Seattlewho left in the last 12 months” and Refolk returns a ranked shortlist with the evidence that earned each person a spot.

How this list is built

Refolk pulled SaaS companies headquartered in Seattle from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 10 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 06:16:30 GMT

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