H2O
H2O.ai is a leading AI cloud provider based in Mountain View, California, co-founded in 2012 by Sri Ambati and Cliff Click. The company focuses on democratizing artificial intelligence, making it accessible to organizations of all sizes. H2O.ai serves over 20,000 clients globally, including more than half of the Fortune 500, and has approximately one million data scientists utilizing its platform. The flagship offering, the H2O AI Cloud Platform, supports various statistical and machine learning algorithms. Key products include H2O-3, an open-source machine learning platform, H2O Document AI for efficient document processing, and the H2O AI Feature Store, developed with AT&T. H2O.ai is recognized for its expertise in automated machine learning, time series forecasting, and responsible AI, achieving notable milestones such as a world record for accuracy in AI for generalized assistants. The company is committed to innovation, customer empathy, and making a positive impact across sectors.
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Headcount trend
H2O went from 279 employees in Oct 2024 to 284 in Sep 2026. Apr to Sep 2026: 39 people joined, 18 left.
Org structure
Headcount by department
Funding
- Nov 2021 · Series E · $100M · Celesta Capital, Commonwealth Bank of Australia, Pivot Investment Partners
- Aug 2019 · Series D · $72.5M · Nexus Venture Partners, Goldman Sachs
- Nov 2017 · Series C · $40M · Nvidia, New York Life, Nexus Venture Partners
- Nov 2015 · Series B · $20M · Paxion Capital, Nexus Venture Partners
- Jul 2014 · Series A · $8.9M · Nexus Venture Partners
- May 2013 · Seed · $3M
- Jan 2013 · Seed · $1.7M · Nexus Venture Partners
Salaries at H2O
All salaries28 salary profiles in the US
Most reported roles
H-1B sponsorship
The department split adds up all the years listed above. FY2026 alone: 3 filings.
Peer reviews
Worked with someone at H2O?
Anonymous peer reviews on OffTheRecord
Hiring now
Base Salary:
$130k - $165k
Base Salary:
$100k - $120k
Base Salary:
$80k - $110k
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H2O FAQ
How many employees does H2O have?
H2O has about 284 employees, up 4.4% over the 3 months to Sep 2026.
Does H2O sponsor H1B visas?
Yes. H2O filed 3 H1B (LCA) applications in FY2026, according to the latest U.S. Department of Labor disclosures. The largest group was Operations roles.
What is H2O's revenue per employee?
H2O makes about $264K in revenue per employee, based on $75M annual revenue and 284 employees.
How much does H2O pay?
6figr has 28 salary profiles for H2O in the US and 1 in India, with pay broken down by role, level, gender and ethnicity on the H2O salaries page. See H2O salaries in the US
How much funding has H2O raised?
H2O has raised $246.1M in total funding; its latest round was Series E in Nov 2021.
Data from Company Prospectus, DOL LCA disclosures, WARN notices and 6figr salary profiles.