About us

Founded in 2010, S4E is a software publisher, specialized in the energy sector. From design to completion, we imagine, design and implement software allowing you to acquire from a single platform all the data you need to control the energy from your plants and buildings.

of existence
monitored sites
éditeur logiciel supervision énergie

Our know-how

Founded in 2010, S4E is a software publisher, specializing in energy information systems. Energysoft currently supervises more than 8 200 installations allowing the diversification of the energy mix in the territories, more than 1,3 GWp of renewable energy projects. This solution is dedicated to the supervision and maintenance of decentralized production plants on the roof or on the ground connected to the network, for self-consumption with or without means of energy storage.

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Our team

Pascal Marguet


President of the Apex Energies group, he promotes the S4E software solution to customers and all players in the renewable energy sector: Investors, operators and owners.

_ Confirmed oenophile.

Jean-Marie Hermelin


Multi entrepreneur and co-founder of the company, he is the architect and designer of our software.

_ Enthusiastic Technophile.

Alexandre Volpato

Business expert

Thanks to his business expertise, he is responsible for identifying all user needs, translating them to implement them and thus piloting their future developments.

_ 100% organic.

Patrice Bernhardt

Helpdesk Leader
& Back End Engineer

With him, your data is structured and secure. Responsible for support, he solves your problems with a smile.

_ Ride the wave as soon as he can.

Jérôme Barotin

Devops Engineer

Architect of our systems and responsible for the operation of the servers, adept of terminal and command line.

_ Linux Fanboy.

Mathieu Le Poher

Front End Engineer

In charge of developing new portal functionalities, Java and CSS have no secrets for him.

_ Star Wars Addict.