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Top HR tech companies in San Francisco

Software and services for hiring, payroll, performance, and workforce planning. Filtered to companies headquartered in San Francisco.

Built from a search like: “Top HR tech companies in San Francisco”

Ranked by current headcount across HR tech companies headquartered in San Francisco. Refreshed daily.

  1. 1
    Remote· San Francisco, California, United States
    • Series C
    • 14.2k employees
    • Founded 2019
  2. 2
    Deel· San Francisco, California, United States
    • Series E
    • 9.1k employees
    • Founded 2019
  3. 3
    OptimHire· San Francisco, California, United States
    • undisclosed
    • 1.7k employees
    • Founded 2018
  4. 4
    Oyster®· San Francisco, California, United States
    • Series D
    • 590 employees
    • Founded 2020
  5. 5
    Torre.ai· San Francisco Bay Area
    • Pre-seed
    • 559 employees
    • Founded 2019
  6. 6
    NutritionJobs· San Francisco, California, United States
    • 530 employees
    • Founded 2000
  7. 7
    Private Household· San Francisco, California, United States
    • 394 employees
  8. 8
    Talentful· San Francisco, California, United States
    • 312 employees
    • Founded 2015
  9. 9
    Riviera Partners· San Francisco, California, United States
    • Private equity
    • 294 employees
    • Founded 2001
  10. 10
    Sparrow· San Francisco, California, United States
    • Series B
    • 278 employees
    • Founded 2018
  11. 11
    Meseras· San Francisco, California, United States
    • 277 employees
    • Founded 1995
  12. 12
    TriNet Zenefits· San Francisco, California, United States
    • Series unknown
    • 231 employees
    • Founded 2013
  13. 13
    SweetRush Inc.· San Francisco, California, United States
    • 218 employees
    • Founded 2001
  14. 14
    Forma· San Francisco, California, United States
    • Series B
    • 216 employees
    • Founded 2017
  15. 15
    TechLink Systems, Inc.· San Francisco, California, United States
    • 196 employees
    • Founded 1998
  16. 16
    Weekday (YC W21)· San Francisco, California, United States
    • Seed
    • 186 employees
    • Founded 2021
  17. 17
    Kinetic Events Staffing· San Francisco, California, United States
    • 185 employees
    • Founded 2003
  18. 18
    Clinical Management Consultants· San Francisco, California, United States
    • 152 employees
    • Founded 2008
  19. 19
    Gravity· San Francisco, California, United States
    • 143 employees
    • Founded 1998
  20. 20
    Betts Recruiting· San Francisco, California, United States
    • 137 employees
    • Founded 2009
  21. 21
    HSF· San Francisco, California, United States
    • 133 employees
    • Founded 2010
  22. 22
    Visage.Jobs· San Francisco, California, United States
    • Series A
    • 126 employees
    • Founded 2016
  23. 23
    Spectra360· San Francisco, California, United States
    • 119 employees
    • Founded 2012
  24. 24
    CareerUp, Inc.· San Francisco, California, United States
    • 112 employees
    • Founded 2013
  25. 25
    Green Jobs Network· San Francisco, California, United States
    • 105 employees
    • Founded 2008

Find engineers at HR tech companies in San Francisco

San Francisco has long been a hub for HR tech, and the list above ranks the largest HR tech companies headquartered there by current headcount, drawn from public LinkedIn and Crunchbase records. With 226 matching companies in our index, this is a good map of where the HR tech talent in San Franciscolives — useful whether you’re recruiting, partnering, or sizing a market.

The biggest HR tech companies in San Francisco 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 “HR tech engineers in San Franciscohiring senior staff” or “founders of HR tech companies in San Franciscowho 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 HR tech companies headquartered in San Francisco 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 07:25:28 GMT

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