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Top Marketing tech companies

Tools for marketers: CRM, attribution, content, ads, growth, and analytics.

Ranked by current headcount across the largest Marketing tech companies. Refreshed daily.

  1. 1
    Private Company· New York, New York, United States
    • 135.3k employees
    • Founded 2003
  2. 2
    No-company. (Self-employed.)· Sacramento, California, United States
    • 64.8k employees
  3. 3
    WPP· London, England, United Kingdom
    • 48.6k employees
    • Founded 1985
  4. 4
    DEX· Bengaluru, Karnataka, India
    • 45.4k employees
    • Founded 2023
  5. 5
    RRD· Chicago, Illinois, United States
    • Debt
    • 40.9k employees
  6. 6
    Publicis Groupe· Paris, Île-de-France, France
    • Post-IPO debt
    • 39.9k employees
    • Founded 1926
  7. 7
    Freelance
    • 36.4k employees
  8. 8
    VML· New York, New York, United States
    • 34.2k employees
    • Founded 2024
  9. 9
    وزارة التعليم
    • 32.5k employees
  10. 10
    Nil· Fremont, California, United States
    • 31.6k employees
  11. 11
    Self-Employed· Nanton, Alberta, Canada
    • 30.6k employees
  12. 12
    Kantar· London, England, United Kingdom
    • Debt
    • 25.4k employees
    • Founded 1992
  13. 13
    WPP Media· New York, New York, United States
    • 23k employees
  14. 14
    Australian Public Service· Canberra, Australian Capital Territory, Australia
    • 22.9k employees
  15. 15
    International Mission of Mercy (IMM)· Morristown Township, Minnesota, United States
    • 22.3k employees
    • Founded 1991
  16. 16
    GOVT· Singapore, Singapore
    • 21.3k employees
    • Founded 2012
  17. 17
    dentsu· Greater Tokyo Area
    • 19.1k employees
    • Founded 2001
  18. 18
    Ipsos· Paris, Île-de-France, France
    • Post-IPO debt
    • 18.8k employees
    • Founded 1975
  19. 19
    Confidential· Silicon Valley, California, United States
    • 18.8k employees
  20. 20
    Clinic· London, England, United Kingdom
    • 17.7k employees
    • Founded 1983
  21. 21
    Work From Home Jobs· Los Angeles, California, United States
    • 17.2k employees
    • Founded 2019
  22. 22
    Gov
    • 16.7k employees
  23. 23
    Clear Channel Europe· London Colney, England, United Kingdom
    • 15.2k employees
    • Founded 1901
  24. 24
    JOB· Buenos Aires, Buenos Aires Province, Argentina
    • 14.8k employees
    • Founded 1977
  25. 25
    Omnicom Media· New York, Iowa, United States
    • 13.7k employees
    • Founded 1996

Find engineers and designers at top Marketing tech companies

The Marketing tech industry runs on the people who build it. The list above ranks the largest Marketing tech companies by current headcount, drawn from public LinkedIn and Crunchbase records. Across the 46,208 Marketing techcompanies in our index, you’ll find software engineers, ML researchers, designers, founders, and recruiters worth talking to — whether you’re hiring, investing, or doing market research.

Each company on the list is a hub of talent. The biggest Marketing tech companies tend to attract specialised engineers, while younger ones run on small founding teams and hire generalists. Looking at headcount, last funding round, and HQ location side by side gives you a quick read on where the talent density is highest.

Refolk turns this list into a search. Ask for “Marketing techengineers in San Francisco hiring senior ML” or “designers at Marketing techcompanies who shipped a product in 2025” and Refolk returns a fresh ranked shortlist with the sources that earned each person a spot.

How this list is built

Refolk pulled the largest companies in Marketing tech from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 25 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 05:56:00 GMT

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