# Companies using H2O.ai

3,488 companies use H2O.ai, based on their job posts and their employees' public profiles. Its share of job posts held steady in the three months to August 2026; 1,009 job posts named it from October 2025 to August 2026. Data Scientist is the role that names it most often.

Data as of November 9, 2026. Source: Sumble.

## Which companies name H2O.ai in the most job posts?

The companies with the most job posts naming H2O.ai are Capital One (1,221), AT&T (194) and Wells Fargo (132). Of the five companies in the table, Wells Fargo has the most employees who list it on their profiles: 42.

| Company | Job posts | People | Recent job post |
|---|---:|---:|---|
| [Capital One](https://sumble.com/orgs/capital-one) | 1,221 | 38 | "Leverage a broad stack of technologies — Python, Conda, AWS, H2O, Spark, and more — to reveal the insights hidden within huge volumes of numeric and textual data" (senior manager, data science - model risk, Nov 7, 2026) |
| [AT&T](https://sumble.com/orgs/at&t) | 194 | 31 | "Most common tools are Tableau, Palantir, PowerBI (AI Insights), Databricks, AWS Azure, Synapse, H2O Driverless AI, etc." (Lead Advanced Analytics, Oct 21, 2026) |
| [Wells Fargo](https://sumble.com/orgs/wells-fargo) | 132 | 42 | "…verticals using emerging technologies including but not limited to Python, Spark, and H2O etc." (Senior Quantitative Analytics Specialist, Sep 9, 2026) |
| [PwC Acceleration Center India](https://sumble.com/orgs/pwc-acceleration-centers-in-india) | 114 | 0 | "Experience in Big Data ML toolkits, such as Mahout, SparkML, or H2O" (Azure Developer - Senior Associate, Aug 18, 2026) |
| [Citi](https://sumble.com/orgs/citi) | 111 | 22 | "Leverage a variety of technologies such as SAS, R, Python, H2O, Spark, and more to extract the value out of the data." (Risk Decision Model Development- Assistant Vice President, Apr 15, 2026) |

## Is hiring for H2O.ai growing?

H2O.ai's share of job posts is about the same as three months earlier: 0.42 in every 10,000 job posts from June to August 2026, against 0.46 from March to May. From October to December 2025 it was 0.61.

| Month | Job posts naming it | All job posts | Per 10,000 job posts |
|---|---:|---:|---:|
| Oct 2025 | 77 | 1,413,673 | 0.54 |
| Nov 2025 | 137 | 1,822,119 | 0.75 |
| Dec 2025 | 60 | 1,236,103 | 0.49 |
| Jan 2026 | 154 | 1,828,002 | 0.84 |
| Feb 2026 | 95 | 1,856,647 | 0.51 |
| Mar 2026 | 97 | 1,850,711 | 0.52 |
| Apr 2026 | 80 | 1,728,886 | 0.46 |
| May 2026 | 73 | 1,821,509 | 0.40 |
| Jun 2026 | 103 | 1,909,496 | 0.54 |
| Jul 2026 | 71 | 1,815,180 | 0.39 |
| Aug 2026 | 62 | 1,835,698 | 0.34 |

## How many companies named H2O.ai in a job post for the first time in recent months?

H2O.ai showed up in job posts at 19 companies for the first time from June to August 2026, and 16 in the three months before. From October 2025 to August 2026, 76 companies named it in a job post for the first time.

| Period | Companies naming it in a job post for the first time |
|---|---:|
| March to May 2026 | 16 |
| June to August 2026 | 19 |
| October 2025 to August 2026 | 76 |

Companies whose first job post naming it appeared in that period. Recruiters, staffing firms and job boards are left out.

## How do we know which companies use H2O.ai?

Most of these companies come from employees' profiles: 73% have no job post naming H2O.ai. 942 name it in their own job posts.

| How we know | Companies | Share |
|---|---:|---:|
| Job posts name H2O.ai | 942 | 27% |
| Employees' profiles list H2O.ai | 2,546 | 73% |

## What size are the companies that use H2O.ai?

35% of H2O.ai users are companies with 50 to 999 employees, close to the mix on the typical tech page. The second-largest group is companies with more than 5,000 employees, at 25%.

| Size | Share | Typical tech page |
|---|---:|---:|
| Under 50 employees | 20% | 22% |
| 50 to 999 | 35% | 38% |
| 1,000 to 5,000 | 20% | 17% |
| Over 5,000 | 25% | 23% |

## Where are H2O.ai companies based?

H2O.ai companies are spread across 96 countries and territories. The United States leads with 46%, then India with 5.4%. The United Kingdom is third, at 4.8%.

| Country | Companies | Share | Typical tech page |
|---|---:|---:|---:|
| United States | 1,523 | 46% | 43% |
| India | 181 | 5.4% | 6.9% |
| United Kingdom | 159 | 4.8% | 6.4% |
| France | 157 | 4.7% | 4.6% |
| Brazil | 125 | 3.8% | 2.8% |
| Canada | 110 | 3.3% | 3.6% |

## Which teams work with H2O.ai?

At 41 companies, the team named in H2O.ai job posts is data science, at least twice the next. Next come advanced analytics teams (12 companies) and data engineering teams (9).

| Team | Companies |
|---|---:|
| Data science | 41 |
| Advanced analytics | 12 |
| Data engineering | 9 |
| Analytics | 8 |
| Data & analytics | 8 |
| AI/ML | 7 |

## Which roles mention H2O.ai most?

Data Scientist roles make up 43% of the job posts that name H2O.ai. Data Scientist posts naming it numbered 91 from March to May 2026 and 101 from June to August.

| Role | Share | Oct 2025 to Aug 2026 | Mar to May 2026 | Jun to Aug 2026 |
|---|---:|---:|---:|---:|
| Data Scientist | 43% | 438 | 91 | 101 |
| AI Engineer | 6.8% | 69 | 24 | 15 |
| Machine Learning | 3.7% | 37 | 13 | 5 |
| Data Engineer | 3.1% | 31 | 10 | 13 |
| Analytics Engineer | 3% | 30 | 7 | 2 |
| Loan Officer | 2.5% | 25 | 3 | 14 |

## Which companies started naming H2O.ai in job posts recently?

Between April and August 2026, 22 companies with 50 or more employees first named H2O.ai in a job post, 7 of them with more than 5,000 employees. HCLTech has the most job posts of the new enterprise companies, 4 from April to August.

| Group | Company | Job posts, April to August 2026 |
|---|---|---:|
| Commercial | [Sequoia Financial Group](https://sumble.com/orgs/sequoia-financial-group) | 3 |
| Commercial | [GEDU Services](https://sumble.com/orgs/gedu-services) | 2 |
| Commercial | [Unissant](https://sumble.com/orgs/unissant) | 2 |
| Commercial | [Arkhya Tech Inc.](https://sumble.com/orgs/arkhya-tech) | 2 |
| Commercial | [DT Midstream](https://sumble.com/orgs/dt-midstream) | 1 |
| Mid-market | [Bapcor Limited](https://sumble.com/orgs/bapcor) | 3 |
| Mid-market | [Early Warning](https://sumble.com/orgs/early-warning-services) | 2 |
| Mid-market | [Miway Insurance Limited](https://sumble.com/orgs/miway-insurance) | 2 |
| Mid-market | [Manitoba Hydro](https://sumble.com/orgs/manitoba-hydro) | 1 |
| Mid-market | [emagine](https://sumble.com/orgs/emagine-group) | 1 |
| Enterprise | [HCLTech](https://sumble.com/orgs/hcltech) | 4 |
| Enterprise | [Montefiore Health System](https://sumble.com/orgs/montefiore-medical) | 2 |
| Enterprise | [AstraZeneca](https://sumble.com/orgs/astrazeneca) | 1 |
| Enterprise | [KPMG US](https://sumble.com/orgs/kpmg-us) | 1 |
| Enterprise | [Westpac](https://sumble.com/orgs/westpac-group) | 1 |

Companies that named H2O.ai in a job post for the first time between April and August 2026, ranked by their job posts in those months. AI-native companies get a group of their own, whatever their size. Recruiters and job boards are left out.

## What else do H2O.ai companies use?

DataRobot and SparkML are the tools most closely tied to H2O.ai. Theano is 28 times as common as usual, at 5.1%.

| Tool | Companies | Also name it | Typical | Times as common |
|---|---:|---:|---:|---:|
| DataRobot | 81 | 16% | 0.39% | 41 times |
| SparkML | 67 | 13% | 0.39% | 34 times |
| Theano | 26 | 5.1% | 0.18% | 28 times |
| IBM Watson | 41 | 8.1% | 0.33% | 24 times |
| Apache Flume | 33 | 6.5% | 0.3% | 22 times |
| MapReduce | 76 | 15% | 0.8% | 19 times |
| Apache Oozie | 29 | 5.7% | 0.37% | 16 times |
| Apache Impala | 61 | 12% | 0.83% | 15 times |

Shares are out of the 507 companies whose job posts name H2O.ai, not counting firms whose job posts name almost every technology.

## Which project themes come up in H2O.ai job posts?

Apart from broad digital transformation work, Generative AI comes up most in job posts naming H2O.ai, in 205 of them. After that comes Data Infrastructure Migration, with 85.

| Project theme | Job posts |
|---|---:|
| Digital Transformation | 427 |
| Generative AI | 205 |
| Data Infrastructure Migration | 85 |
| Cloud Cost Optimization | 49 |

## About this data

Sumble built this page. Sumble gives sales, marketing and other GTM teams technographics and hiring signals for the companies they sell to: the technologies each company uses, which teams are hiring and for what, and who reports to whom. That helps a team know who to contact, why now, and what to say.

Sumble covers more than 3.6 million companies, 93 million job posts collected since 2022 and 194 million employee profiles, and tracks more than 37,000 technologies. It finds which technologies a company uses by reading its job posts and its employees' public profiles.

Sumble has a free plan, and the same data is available through its API and MCP server.

A company counts when its own job posts or its employees' public profiles name the technology. Hiring is that technology's share of all job posts collected each month. Quotes are copied word for word from the companies' job posts.

Every figure on this page comes from Sumble's own analysis, and you won't find it outside Sumble.