Seed AI companies in New York

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

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

1
The Post· New York, New York, United States
The Post is a private membership network for accomplished athletes turned business leaders. Vetted and selected, The Post is designed for the collective pursuit of greatness–a team that will strengthen your network, your skills and your impact.The Post is a community of 1,300+ current and former collegiate, professional, and Olympic athletes across the country. High-performing leaders trade ideas, hold each other accountable and push one another to keep competing at the highest level.With a highly engaged community, a member directory built for real connection, virtual events built to spark ideas and discussion and curated members-only outings and conference–The Post creates the space for the camaraderie, accountability, growth, and perspective that made these athletes great — now applied to business.Apply for membership at www.thepost.co
- Seed
- 562 employees
- Founded 2021
2
Respondent· Brooklyn, New York, United States
Respondent is a cost effective, high-quality participant recruiting platform for all research methodologies. 4M+ participants, including consumer audiences, business professionals, and health workers, can be recruited across 150 countries in a matter of minutes. Our DIY participant recruiting platform can be used by research teams with any existing research tools or workflows.Our API can be leveraged by research platforms looking to embed on-demand participant recruiting across 150 countries into their platforms. Respondent participant profiles are verified and use a variety of measures including work email verification, feedback ratings from other researchers and screener response inconsistencies to ensure that researchers can find participants that match their targeting criteria. If you'd like to speak to someone at Respondent to learn more, please contact us at sales@respondent.io
- Seed
- 242 employees
- Founded 2016
3
Phosphorus· New York, New York, United States
Our mission is to extend and improve lives by making genomics a foundational part of everyone’s health and wellness journey. We build best-in-class, affordable, medical-grade genetic tests to help humans prevent disease and live their healthiest lives.
- Seed
- 48 employees
- Founded 2016
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4
Pasteur Labs & ISI· Brooklyn, New York, United States
Pasteur Labs & Institute for Simulation Intelligence (ISI), reshaping the scientific method for the machine age.
- Seed
- 45 employees
- Founded 2021
5
Ambrosia· New York, New York, United States
Ambrosia’s mission is to provide a solution to our massive food waste problem while simultaneously creating more sustainable versions of common products and commodities. We’re the first closed-loop manufacturing company launched to specifically address the circular economy. Our first product, Veles, is an all-purpose household cleaner scientifically derived from food waste. Now available for pre-order at www.veles.com.
- Seed
- 42 employees
- Founded 2014

6
UNCAGED Innovations· New York, New York, United States
UNCAGED Innovations is a biomaterials company combining the power of nature and technology to reimagine leather. The quality and performance of traditional leather come from the protein structure of collagen. UNCAGED leverages structural proteins from grains to replace animal collagen, enabling us to create a fiber that looks, feels, and performs like leather.
- Seed
- 29 employees
- Founded 2020
7
SEQUENTIAL· New York City, New York, United States
Sequential advances personal care and health research by studying the real-world impact of products through human clinical testing, biomarker discovery, and next-generation formulations across skin, scalp, oral, and vaginal care. Our end-to-end, in-house platform, from study design and participant recruitment (tailored to any required criteria) to laboratory analysis and data interpretation, turns complex biological data into clear, actionable insights. By combining microbial and molecular analyses, we enable the development of credible, effective, and trustworthy products and claims. With a database of over 50,000 samples, 4,000+ ingredients, and 10,000+ participants worldwide, Sequential leverages years of scientific expertise to set the standard for data-driven innovation and product validation in the personal care and pharmaceutical industries.
- Seed
- 24 employees
- Founded 2019
8
EncrypGen· New York, New York, United States
EncrypGen makes next-generation software to aide in safely storing and sharing genomic data for research and science, and to allow users to manage their own data and sell it to researchers. Acquired by IndyGeneUS in 2022
- Seed
- 21 employees
- Founded 2016
9
Caladan Bio· Brooklyn, New York, United States
Caladan Bio is building the next generation of biomanufacturing technology, starting with high-throughput 250 mL benchtop bioreactors. Our customers use biology to create groundbreaking products—from alternative proteins to high-performance enzymes, sustainable materials, and next-gen therapeutics. Caladan Bio provides fully-automated bioprocessing technology that helps these companies bring products to market faster and more efficiently, from lab scale to production.
- Seed
- 21 employees
- Founded 2023
10
OncoPrecision· New York, New York, United States
OncoPrecision is a precision oncology company engineering first-in-class antibody-drug conjugates (ADCs) and bispecific antibodies for hard-to-treat cancers.Our approach begins with patients. We build large-scale patient-derived biology datasets and apply AI-enhanced discovery to identify the targets and mechanisms with the greatest potential to change outcomes — then engineer therapeutics purpose-built around those insights.Our lead program, ONC001, is a first-in-class CD64-targeting ADC designed to eliminate leukemic monocytes and tumor-associated macrophages, with lead indications in monocytic AML and CMML and an expanding strategy into solid tumors. ONC001 is currently advancing through IND-enabling studies.Built on our Patient Micro-Avatar (PMA) platform, OncoPrecision is advancing a pipeline designed to move faster and fail less across hematologic malignancies and solid tumors.
- Seed
- 16 employees
- Founded 2020

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Find engineers at Seed AI companies in New York

Searching for “engineers at top Seed 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 Seed, by current headcount, drawn from public LinkedIn and Crunchbase records. With 57 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 - Seed, 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.

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How this list is built

Refolk pulled AI companies headquartered in New York whose latest disclosed funding round is Seed 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: Tue, 20 Oct 2026 01:30:26 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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