Top Series C AI companies
Companies building AI products, foundation models, and applied ML platforms. Filtered to companies whose latest disclosed round is Series C.
Edit the query above, or pick a refinement. 500 free credits on sign-up, no card needed.
- StageSeries C
- IndustryAI
- Matches29
Built from a search like: “Top Series C AI companies”
Ranked by current headcount across Series C AI companies. Refreshed monthly.
- 1Clinipace· Morrisville, North Carolina, United States
Caidya is a multi-therapeutic clinical research organization (CRO) serving innovators worldwide. Focused on delivery excellence and an elevated customer experience, Caidya offers a wide range of clinical services and vast therapeutic expertise, supporting its partners from pre-IND strategy, through clinical development to submission and post-marketing surveillance. Caidya leverages industry-leading and proprietary clinical technology to ensure trial transparency and data-driven decision-making. Formed in 2021 following the merger of leading CROs, dMed and Clinipace, Caidya has nearly 1,800 employees in 30+ countries throughout the world.
- Series C
- 235 employees
- Founded 2003
- 2Javara· Winston-Salem, North Carolina, United States
A top U.S. site network, Javara partners with healthcare organizations and specialty practices to deliver clinical trials at the point of care. Javara’s model makes research achievable and scalable for any health system while driving faster enrollment, stronger retention, and richer data across the research lifecycle for sponsors and CROs. Learn more at javararesearch.com.
- Series C
- 199 employees
- Founded 2018
- 3DP Technology· Xinchengzi, Beijing, China
DP Technology is a pioneer and practitioner of the "AI for Science" research paradigm. This approach leverages AI to learn and apply science principles and knowledge, helping to solve critical challenges in scientific research and industrial R&D.DP's commitment to interdisciplinary research has led to the creation of the DP "Particle Universe", an array of pre-trained large science models designed to bridge foundational research with practical industrial applications. DP's software suite includes the Bohrium® Scientific Research Space, Hermite® Computational Drug Design Platform, RiDYMO® Dynamics Platform, and Piloteye® Battery Design Automation Platform. Together, these platforms form a robust foundation for industrial innovation and an open ecosystem for AI in science, fostering advancements in key areas such as drug discovery, energy, material science, and information technology. Email: info@dp.tech
- Series C
- 107 employees
- Founded 2018
- Live search
This list is a starting point
I can run a natural-language search across LinkedIn, GitHub, and the open web. Fire one of these, or edit the box up top to match exactly who you're after.
500 free credits on sign-up, no card needed.
- 4Unlearn.AI· San Francisco, California, United States
Unlearn exists to transform clinical development by making every trial smarter.
- Series C
- 74 employees
- Founded 2017
- 5Fullpower-AI· Santa Cruz, California, United States
Our mission is to make advanced AI biosensing universally accessible, empowering better sleep, Remote Patient Monitoring (RPM), and healthspan through real-time, science-validated intelligence.
- Series C
- 64 employees
- Founded 2005
Find engineers and founders at Series C AI companies
Series C 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 Series C, by current headcount, drawn from public LinkedIn and Crunchbase records. Across 29 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 “Series C AI founders hiring senior engineers” or “design leads at Series C AI companies” and Refolk returns a fresh ranked shortlist with the sources behind each match.
How this list is built
Last refreshed: Tue, 15 Sep 2026 10:13:57 GMT
Need an even more specific search?
Refolk runs natural-language searches across LinkedIn, GitHub, and the open web. Try one of these:
- Series C AI companies in San FranciscoRun
- Series C AI companies hiringRun
- Founders of Series C AI companiesRun
500 free credits on sign-up, no card needed.
Related lists
- Seed AI
- Series A AI
- Series B AI
- Late-stage venture AI
- Series C SaaS
- Series C Fintech
- Series C Developer tools
- Series C Cybersecurity
See all company lists.
Or zoom out
Slice this list a different way
Common questions
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.
How fresh is the data?
The underlying index updates continuously and this ranking is rebuilt monthly. Last refreshed: Tue, 15 Sep 2026 10:13:57 GMT. For a list built against the index as it stands today, sign up and run the search live.
Can I get the full list of 29 companies?
Yes. This page shows the top of the ranking; sign up and I'll run the search live for the complete, current list. You start with 500 free credits, no card required.
Can I find the people inside these companies?
Yes. Ask in plain English - for example "engineering leaders at these companies who joined in the last year" - and I return the specific people, with context on each.
Try it on the search you came here for
Stop building boolean strings. Just describe the person.
Type one sentence. I plan the search, read GitHub, public LinkedIn and Crunchbase records, and the open web as it is right now, and hand back a ranked list with the reason next to every name.
01Describe them
One plain sentence. Role, city, stack, stage, whatever matters to you.
02I read the web live
GitHub, public LinkedIn and Crunchbase records, the open web. Not a database that went stale last quarter.
03You read the shortlist
Ranked, with the reasoning under every name. Open a profile, ask a follow-up, narrow it down.
- Staff backend engineers in NYC who shipped Rust in production
- Series A fintechs in SF under 50 people, growing headcount this year
- Maintainers of fast-growing Rust web frameworks on GitHub
- No boolean, no filters, no seat to buy. One box.
- Read at search time, so a profile updated yesterday counts today.
- Every step visible as it runs, every name with its reason.
500 free credits on sign-up. No card, no demo call. See real searches.