How many employees work at Ohmium?

Ohmium, Inc. has 834 employees, according to Revelio Labs workforce intelligence data. The YoY growth rate is -5.5%.

Data source: Revelio Labs Coverage: Global workforce Latest update: September 2025

About Ohmium

Ohmium's mission is to accelerate the adoption of green hydrogen to decarbonize hard-to-abate sectors and enable a low-carbon future.   Ohmium designs, manufactures and deploys modular, scalable proton exchange membrane (PEM) electrolyzer systems that enable cost-competitive green hydrogen production. Ohmium’s systems are vertically-stackable and integrate advanced power electronics, delivering superior value for a wide range of commercial and industrial applications in terms of safety, energy density, scalability and ramp rate. The human-scale electrolyzers are efficient to manufacture, quick to transport and easy to maintain. This versatility enables cost-effective plug-and-play operations that can scale rapidly. Ohmium has a global green hydrogen project pipeline across the U.S., Mexico, Europe and Asia.

As of September 2025

Ohmium
workforce metrics

Headcount

834

Avg. Salary

$28.7k

Tenure

2.2yr

Growth Rate

-5.5%

Hiring Rate

Attrition Rate

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Employee Headcount

Interactive chart of Ohmium annual worldwide employee count from 2023 to 2025.

  • Ohmium total number of employees in 2025 was 852.419, a 5.5% decline from 2024.
  • Ohmium total number of employees in 2024 was 888.619, a 7.7% decline from 2023.
  • Ohmium total number of employees in 2023 was 951.128, a 30.7% increase from 2022.

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Employee Geographic Breakdown

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Employee Role Breakdown

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Employee Compensation

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Active Job Postings

Interactive chart of Ohmium annual active job postings from 2023 to 2025.

  • Ohmium active job postings in 2025 was 65, a 60.2% decline from 2024.
  • Ohmium active job postings in 2024 was 91, a 18.0% decline from 2023.
  • Ohmium active job postings in 2023 was 109, a 96.6% increase from 2022.

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Employee Sentiment

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