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Series A AI companies in Austin

Companies building AI products, foundation models, and applied ML platforms. Filtered to Series A-stage companies headquartered in Austin.

Built from a search like: “Top Series A AI companies in Austin”

Ranked by current headcount across Series A AI companies in Austin. Refreshed daily.

  1. 1
    Ribbon Bio· Vienna, Vienna, Austria
    • Series A
    • 61 employees
    • Founded 2018
  2. 2
    UpNano GmbH· Vienna, Vienna, Austria
    • Series A
    • 51 employees
    • Founded 2018
  3. 3
    ViraTherapeutics GmbH· Innsbruck, Tyrol, Austria
    • Series A
    • 28 employees
    • Founded 2013
  4. 4
    invIOs INNOVATIVE IMMUNO-ONCOLOGY· Vienna, Vienna, Austria
    • Series A
    • 14 employees
    • Founded 2021
  5. 5
    YGION Biomedical· Vienna, Vienna, Austria
    • Series A
    • 14 employees
    • Founded 2022
  6. 6
    Parhelia Biosciences· Austin, Texas, United States
    • Series A
    • 11 employees
    • Founded 2019
  7. 7
    OncoOne· Vienna, Vienna, Austria
    • Series A
    • 10 employees
    • Founded 2018
  8. 8
    Waterloo Solutions· Austin, Texas, United States
    • Series A
    • 9 employees
    • Founded 2020
  9. 9
    Apeptico Forschung und Entwicklung GmbH· Vienna, Vienna, Austria
    • Series A
    • 3 employees
    • Founded 2009
  10. 10
    G.ST Antivirals· Vienna, Vienna, Austria
    • Series A
    • 3 employees
    • Founded 2019

Find engineers at Series A AI companies in Austin

Searching for “engineers at top Series A AI companies in Austin” surfaces this slice of the market. The list above ranks AI companies headquartered in Austin whose latest disclosed round is Series A, by current headcount, drawn from public LinkedIn and Crunchbase records. With 10 matching companies in our index, this is a tight read on where the AI talent in Austin is heating up.

Three filters at once narrows the field hard. The companies that survive all three — Series A, AI, in Austin — 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 AI’s next operators and angel investors.

Refolk converts this list into a live search. Ask for “senior engineers at Series A AI companies in Austin hiring” or “founders of Series A AI companies in Austin 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 AI companies headquartered in Austin whose latest disclosed funding round is Series A 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 08:22:05 GMT

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