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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.

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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

    We are redefining scientific possibility with our algorithm-driven technology that produces pristine synthetic DNA molecules, enabling our partners to deliver a new generation of transformative solutions for the health of people and planet.

    • Series A
    • 57 employees
    • Founded 2018
  2. 2
    UpNano GmbH· Vienna, Vienna, Austria

    As innovation leader in the field of high-resolution 3D printing,we see it as our mission to upscale nanofabrication.UpNano is a Vienna (Austria) based high-tech company with the focus on development, manufacturing and commercialization of high-resolution 3D-printers. The systems are based on 2-photon-polymerization which offer industry-leading speed and resolution down to 0.2 μm. UpNano is committed to providing customers with a holistic package of hardware, software and optimized printing materials, for the fabrication of polymeric microparts as well as the unique possibility of bioprinting in a native cell environment. Using UpNano’s cutting-edge technology makes it possible to print objects with sizes ranging from the sub-micrometer to the centimeter range and up to 40 mm in height – within times and precision never achieved before. UpNano was founded in September 2018 as a spin off of the TU Wien and has since developed into an established provider of 3D printing systems for research facilities, universities and businesses worldwide.

    • Series A
    • 52 employees
    • Founded 2018
  3. 3
    ViraTherapeutics GmbH· Innsbruck, Tyrol, Austria

    ViraTherapeutics develops a new class of immunotherapy drugs based on oncolytic (cancer-destroying) viruses. Our patent protected virus is designed to be sa...

    • Series A
    • 32 employees
    • Founded 2013
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  5. 4
    Phantom Neuro· Austin, Texas, United States

    Phantom Neuro is creating the first minimally invasive peripheral neural interface, the Phantom X. Our technology allows complex electronic systems, like prosthetic limbs, to operate like natural extensions of the human body. We are a group of forward thinking individuals on a mission to help people with function-limiting injuries.

    • Series A
    • 19 employees
    • Founded 2020
  6. 5
    YGION Biomedical· Vienna, Vienna, Austria

    YGION Biomedical is an Austrian biotechnology company, dedicated to make individualized cancer immunotherapy a reality. By applying groundbreaking, innovative technologies, we strive to provide better and more effective treatments to cancer patients. Our approach encompasses a targeted activation of the patient’s immune system, promising to elicit a fast, strong, and long-lasting specific immune response with an excellent safety profile. We believe that directing the patient’s immune system specifically against the tumor will provide an opportunity for long-term protection against tumor relapse and metastasis and thus will contribute to an improved success for the treatment of cancer.

    • Series A
    • 16 employees
    • Founded 2022

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 11 matching companies in Refolk’s 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: Wed, 05 Aug 2026 21:28:51 GMT

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The list draws on the public company graph - headcount and growth signals, funding history, and recency. The criteria chips at the top show exactly which filters produced it, and the methodology section explains the ranking.

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The underlying index updates continuously and this page re-renders at least daily. Last refreshed: Wed, 05 Aug 2026 21:28:51 GMT.

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