Top Seed AI companies

Companies building AI products, foundation models, and applied ML platforms. Filtered to companies whose latest disclosed round is Seed.

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Ranked by current headcount across Seed AI companies. Refreshed monthly.

1
TNO· Netherlands
TNO is an independent organisation for applied research. We connect people and knowledge to create innovations that boost the competitive strength of industry and the well-being of society in a sustainable way. Our goal is to connect, change and accelerate: Innovation for life.
- Seed
- 5.8k employees
- Founded 1932
2
Smithers· Akron, Ohio, United States
Founded in 1925 and headquartered in Akron, Ohio, Smithers is a multinational provider of testing, consulting, information, and certification services. With world-class laboratories and operations in North America, Europe, and Asia, Smithers supports customers in the transportation, life science, packaging, materials, components, consumer, and energy industries. Smithers delivers accurate data, on time, with high touch, by integrating science, technology, and business expertise, so customers can innovate with confidence.Smithers invests in our scientific and engineering talent. Our scientists and engineers are key opinion leaders in many of the markets we serve.
- Seed
- 828 employees
- Founded 2009
3
Masterschool· United States
Masterschool is an applied education research lab on a mission to unlock human potential. We’re building the school of the future: an AI-native institution that’s an order of magnitude more effective than traditional education.
- Seed
- 463 employees
- Founded 2021
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4
Shanghai AI Laboratory· China
The Shanghai AI Laboratory was officially unveiled at the World AI Conference (WAIC) in July 2020 and positioned as a national-level new-type research institute. Our vision is to build a world-class AI laboratory, with pioneering contributions on original theories and key technologies. By gathering top talents from around the world and creating a stimulating and collaborative research environment, the Laboratory aims to conduct original and influential research, make fundamental contributions to basic theories, significantly advance the state of the art, and create remarkable impact on industry, healthcare, and education.Led by Professor Xiaoou Tang, Professor Andrew Yao (Academician of CAS), Prof. Jie Chen (Academician of CAE), and other world-renowned scholars in AI, the Shanghai AI Laboratory has established strategic cooperation with Shanghai Jiaotong University, Fudan University, Zhejiang University, the Chinese University of Hong Kong, and other famous universities at home and abroad.
- Seed
- 413 employees
- Founded 2020
5
Cadence· Singapore, Singapore
Cadence Translate provides language services that enable investors and consultants to attain better business insights across the language barrier. From due diligence to management calls to M&A meetings to market research, we are an all-encompassing language solution for multilingual consulting and investment research. We serve an exclusive niche of investment and consulting professionals across the finance industry, from private equity firms and hedge funds to expert networks to management consulting firms. We offer:- a talented community of highly-skilled linguists and research editors, each with unique industry knowledge;- bespoke, personalized matchmaking for every project;- the latest tools in translation and transcription technology for faster turnaround time.Cadence is a venture-backed company whose investors include 500 Startups, the founder of Dianping (大众点评), and several luminaries from the interpretation industry.We have teams based in Los Angeles, Latvia, Beijing, and Singapore.*Interested in working for us?*We offer interesting and varied careers for those looking to advance their own professional development and aren’t afraid of a challenge and hard work. You can find out more about working for Cadence on our website at www.cadencetranslate.com/careers
- Seed
- 266 employees
- Founded 2014

6
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
7
Noun.com· Irvine, California, United States
Visit noun.com for more information.
- Seed
- 227 employees
- Founded 2009
8
AI4Bhārat· Chennai, Tamil Nadu, India
Artificial-Intelligence-For-Bhārat : The focus of AI4Bharat, an initiative of IIT Madras, is on building open-source language AI for Indian languages, including datasets, models, and applications.
- Seed
- 200 employees
- Founded 2019
9
Children's Oncology Group· Arcadia, California, United States
The Children’s Oncology Group (COG) a member of the National Cancer Institute (NCI) National Clinical Trials Network (NCTN), is the world’s largest organization devoted exclusively to childhood and adolescent cancer research. COG unites more than 13,500 experts in childhood cancer at more than 220 leading children’s hospitals, universities, and cancer centers across the United States, Canada, Australia, New Zealand, and Saudi Arabia in the fight against childhood cancer.Today, more than 80% of the 15,000 children and adolescents diagnosed with cancer each year in the United States are cared for at COG member institutions. Research performed by COG institutions over the past 50 years has transformed childhood cancer from a virtually incurable disease to one with a combined 5-year survival rate of 86%. The mission of COG is to cure and prevent childhood and adolescent cancer through scientific discovery and compassionate care.COG has more than 100 active clinical trials. There are approximately 12,000 patients registered on COG trials each year. These trials include front-line treatment for many types of childhood cancers, studies aimed at determining the underlying biology of these diseases, and trials involving new and emerging treatments, supportive care, and survivorship.COG is chaired by Douglas S. Hawkins, Seattle Children's Hospital. Lia Gore, MD, Children's Hospital Colorado, serves as the vice chair.Children’s Oncology Group encourages respectful, constructive dialogue on this page. We may moderate comments that are abusive, misleading, promotional, off-topic, or that violate privacy. Comments do not necessarily reflect the views of Children’s Oncology Group.
- Seed
- 181 employees
- Founded 1955
10
AMI - Advanced Machine Intelligence
Real world. Real intelligence.
- Seed
- 116 employees
- Founded 2026

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Find engineers and founders at Seed AI companies

Seed AI companies are some of the most active hirers in the market. The list above ranks the largest AI companies whose latest disclosed round is Seed, by current headcount, drawn from public LinkedIn and Crunchbase records. Across 226 matching companies, you’ll find senior engineers, founding designers, and operators worth tracking.

Companies at this stage in AI share a profile: a working product, fresh capital, and a hiring plan that wants senior people yesterday. Looking at headcount, last round, and HQ side by side gives you a quick read on where AI talent is concentrating right now.

Refolk converts this list into a search. Ask for “Seed AI founders hiring senior engineers” or “design leads at Seed AI companies” and Refolk returns a fresh ranked shortlist with the sources behind each match.

How this list is built

Refolk pulled AI companies 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 5 employees. The list refreshes monthly.

Last refreshed: Tue, 15 Sep 2026 04:58:06 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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