About ONE3

We develop charging infrastructure with responsibility – from initial concept to long-term operations.

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OUR APPROACH

Hollistically designed.
Efficiently implemented.

ONE3 was founded on the belief that charging infrastructure is only successful when planning, construction, and operations are considered together. We do not believe in isolated partial solutions or purely theoretical concepts.

Our ambition is to deliver projects that work in everyday operations – technically, organisationally, and economically.

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OUR Team

The people behind ONE3

Get to know the experts behind our projects. ONE3 brings together experience across planning, construction, and operations of charging infrastructure – with a clear focus on technical quality, economic viability, and reliable operations.

Marc Arnold
Co-Founder Technology, Engineering & Operations
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Marc is responsible for the technical aspects of charging infrastructure projects – from site analysis and grid connection planning through engineering and construction coordination to operational readiness. His focus is on robust technical solutions, high-quality execution on site, and planning approaches that take future operations into account from the very beginning.
Markus Weltz
Co-Founder, Business, Strategy & Operation
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Markus is responsible for the commercial and operational perspective at ONE3. His focus lies on scalable project structures, sustainable business models, and collaboration with operators, partners, and investors. He ensures that technical solutions are implemented in an economically sound manner and that projects can be operated sustainably over the long term.

Supported by a strong team

The founders are supported by a growing team of experienced professionals across planning, construction, and operations. Together, we work to deliver charging infrastructure that is reliable, efficient, and future-ready.

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Careers at ONE3
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