Plan. Build. Operate. Charging infrastructure from a single source.

Holistic solutions for CPOs, fleets, and site operators – technically sound, operationally proven, and implemented close to market.

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Our services

Holistic charging infrastructure, from idea to ongoing operations.

Our team

ONE3 is led by experience

The founders of ONE3 are personally involved in our projects — from planning to operation.

[headshot]
Marc Arnold
Co-Founder
Electrical engineering, facility management and operations
[headshot]
Markus Weltz
Co-Founder
Site-development, planning and business development

Real projects. Real infrastructure.

Plan. Build. Operate.

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REFERENCES

Experiences from charging infrastructure projects

200+
Ladeparks geplant oder in Planung
15+
Kunden (CPO, BESS, Depots, Real Estate)
80+
Ladeparks gebaut oder in Vorbereitung
180+
Ladeparks in
der aktiven Betreuung
1800+
Service-Einsätze in den letzten 12 Monaten
Selection of our clients
200+
Charging points planned or currently planning
15+
Clients (CPO, BESS, Depots, Real Estate)
80+
Charging parks built or in preparation
180+
Charging parks actively managed and operated
1800+
On-site service operations over the last 12 months
200+
Ladeparks geplant oder in Planung
15+
Kunden
150+
Städte bereits erschlossen
500+
Ladepunkte installiert
25+
Strategische Partnerunternehmen
selection of our clients
200+
Ladeparks geplant oder in Planung
15+
Kunden
150+
Städte bereits erschlossen
500+
Ladepunkte installiert
25+
Strategische Partnerunternehmen
selection of our clients
200+
Ladeparks geplant oder in Planung
15+
Kunden
150+
Städte bereits erschlossen
500+
Ladepunkte installiert
25+
Strategische Partnerunternehmen
selection of our clients
200+
Ladeparks geplant oder in Planung
15+
Kunden
150+
Städte bereits erschlossen
500+
Ladepunkte installiert
25+
Strategische Partnerunternehmen
selection of our clients
200+
Ladeparks geplant oder in Planung
15+
Kunden
150+
Städte bereits erschlossen
500+
Ladepunkte installiert
25+
Strategische Partnerunternehmen
selection of our clients
200+
Ladeparks geplant oder in Planung
15+
Kunden
150+
Städte bereits erschlossen
500+
Ladepunkte installiert
25+
Strategische Partnerunternehmen
selection of our clients

Charging infrastructure that works.

We support you from planning through operations
— delivering sustainable charging parks across the DACH region.