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Series B Marketing tech companies in San Francisco

Tools for marketers: CRM, attribution, content, ads, growth, and analytics. Filtered to Series B-stage companies headquartered in San Francisco.

Built from a search like: “Top Series B Marketing tech companies in San Francisco”

Ranked by current headcount across Series B Marketing tech companies in San Francisco. Refreshed daily.

  1. 1
    OnlineSales.ai· San Francisco, California, United States
    • Series B
    • 207 employees
    • Founded 2016
  2. 2
    Victorious· San Francisco, California, United States
    • Series B
    • 92 employees
    • Founded 2013
  3. 3
    Vungle· San Francisco, California, United States
    • Series B
    • 59 employees
    • Founded 2011
  4. 4
    MakerSights· San Francisco, California, United States
    • Series B
    • 34 employees
    • Founded 2015
  5. 5
    Peanut Labs - Market Research and Monetization· San Francisco, California, United States
    • Series B
    • 17 employees
    • Founded 2007
  6. 6
    Spotzot· San Francisco, California, United States
    • Series B
    • 17 employees
    • Founded 2009
  7. 7
    Geary LSF· San Francisco, California, United States
    • Series B
    • 13 employees
    • Founded 1999
  8. 8
    140 Proof· San Francisco, California, United States
    • Series B
    • 11 employees
    • Founded 2010
  9. 9
    Pudding Media· San Francisco, California, United States
    • Series B
    • 4 employees
    • Founded 2006
  10. 10
    Heyzap (Acquired by Fyber)· San Francisco, California, United States
    • Series B
    • 3 employees
    • Founded 2009
  11. 11
    Consorte Media· San Francisco, California, United States
    • Series B
    • 3 employees
    • Founded 2005

Find engineers at Series B Marketing tech companies in San Francisco

Searching for “engineers at top Series B Marketing tech companies in San Francisco” surfaces this slice of the market. The list above ranks Marketing tech companies headquartered in San Francisco whose latest disclosed round is Series B, by current headcount, drawn from public LinkedIn and Crunchbase records. With 11 matching companies in our index, this is a tight read on where the Marketing tech talent in San Francisco is heating up.

Three filters at once narrows the field hard. The companies that survive all three — Series B, Marketing tech, in San Francisco — are usually the most targeted recruiting pool a hiring manager can ask for. Senior engineers, founding designers, and product leads here are about to become Marketing tech’s next operators and angel investors.

Refolk converts this list into a live search. Ask for “senior engineers at Series B Marketing tech companies in San Francisco hiring” or “founders of Series B Marketing tech companies in San Francisco who left in the last year” and Refolk returns a ranked shortlist with the evidence behind each match.

How this list is built

Refolk pulled Marketing tech companies headquartered in San Francisco whose latest disclosed funding round is Series B from public LinkedIn and Crunchbase records, ranked them by current employee count, and kept those with at least 3 employees. The list refreshes once a day.

Last refreshed: Thu, 07 May 2026 08:13:14 GMT

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