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Series B AI companies in New York

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

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Built from a search like: “Top Series B AI companies in New York”

Ranked by current headcount across Series B AI companies in New York. Refreshed monthly.

  1. 1
    Immunai· New York, New York, United States

    Comprehensively mapping and decoding the immune system with single-cell biology and AI to power new therapeutic discoveries, accelerate drug development and improve patient outcomes

    • Series B
    • 173 employees
    • Founded 2019
  2. 2
    Lifebit· New York, New York, United States

    Lifebit powers the federated infrastructure behind national-scale biomedical research. Our platform enables pharma, biobanks, and governments to analyze the world's most sensitive health data — without the data ever leaving its source.Genomics England runs on Lifebit. So do ten of the world's largest biobanks, and research programs spanning the UK, US, and Asia.We built the federated Trusted Research Environment (TRE) from first principles around the ONS Five Safes framework: data stays at source, sovereignty stays with the data controller, and every output passes through an airlock. It's what makes population-scale genomics, federated multi-omic analysis, and cross-border biomedical AI possible without compromising patient trust.For the pharma companies accelerating discovery. For the biobanks safeguarding a generation of consented data. For the governments treating health data as sovereign infrastructure — Lifebit is the operating layer.

    • Series B
    • 67 employees
    • Founded 2017
  3. 3
    Hume AI· New York, New York, United States

    Built from a decade of voice and emotion research.To build emotionally intelligent voice AI, we first had to define what “good” sounds like – not just acoustically, but perceptually and in real human conversations.That led us to build the research infrastructure behind expressive, trustworthy voice AI: scientifically grounded datasets, speech models, evaluation frameworks, and human preference pipelines. Today, we make that infrastructure available to frontier labs and AI-native companies building the next generation of voice.Whether you’re building foundation models, fine-tuning voice agents, or evaluating production systems, Hume provides the tools to measure, improve, and align voice AI the way people actually experience them.

    • Series B
    • 55 employees
    • Founded 2021
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  5. 4
    HowGood· Stone Ridge, New York, United States

    HowGood is an independent research company and SaaS data platform with the worlds largest database on food product sustainability. With more than 90,000 on-farm emissions factors for food ingredients, HowGood helps leading brands, retailers, suppliers and restaurants to measure, manage, and communicate their environmental and social impact.

    • Series B
    • 51 employees
    • Founded 2007
  6. 5
    Helaina· New York, New York, United States

    Helaina is a biotech company pushing the boundaries of what food can do for health.

    • Series B
    • 50 employees
    • Founded 2019

Find engineers at Series B AI companies in New York

Searching for “engineers at top Series B AI companies in New York” surfaces this slice of the market. The list above ranks AI companies headquartered in New York whose latest disclosed round is Series B, by current headcount, drawn from public LinkedIn and Crunchbase records. With 14 matching companies in Refolk’s index, this is a tight read on where the AI talent in New York is heating up.

Three filters at once narrows the field hard. The companies that survive all three - Series B, AI, in New York - 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 B AI companies in New York hiring” or “founders of Series B AI companies in New York 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 New York 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 monthly.

Last refreshed: Thu, 22 Oct 2026 19:07:56 GMT

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How is this ranking built?

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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