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Our business

Teseos is the technical and energy services provider for the Encevo Group, a leading energy provider in Luxembourg and the Greater Region. Working alongside the network operator Creos and the energy supplier Enovos, Teseos is supporting the energy transition through innovative and sustainable solutions.

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Subsidiaries

A network of experts

Through its subsidiaries, Teseos brings together more than 1,100 professionals specializing in a wide range of fields: consultancy and training, building services (electrical installations, heating, ventilation and air conditioning), equipment distribution, facilities management, the design and installation of energy distribution systems, as well as Energy as a Service (EaaS) solutions.
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Agence de l’Énergie S.A. Agence de l’Énergie S.A.
ALL IN ONE Technologies S.A. ALL IN ONE Technologies S.A.
Arctic Cooling Systems S.à r.l. Arctic Cooling Systems S.à r.l.
Blitzschutzbau Rhein-Main Adam Herbert GmbH Blitzschutzbau Rhein-Main Adam Herbert GmbH
C. Schanen S.à r.l. C. Schanen S.à r.l.
charge@lux charge@lux
Concorde Gestion S.à r.l. Concorde Gestion S.à r.l.
e3consult S.à r.l. e3consult S.à r.l.
Electricité Wagner S.A. Electricité Wagner S.A.
electris Luxembourg S.A. electris Luxembourg S.A.
Global Facilities S.A. Global Facilities S.A.
Grethen Rénovation S.à r.l. Grethen Rénovation S.à r.l.
Grethen S.à r.l. Grethen S.à r.l.
Hoffmann S.A.S. Hoffmann S.A.S.
MINUSINES S.A. MINUSINES S.A.
Paul Wagner & Fils S.A. Paul Wagner & Fils S.A.
Power Panels S.A. Power Panels S.A.
Smart Cube S.à r.l. Smart Cube S.à r.l.
Wieland & Schultz GmbH Wieland & Schultz GmbH
Wieland & Schultz Kaiserslautern GmbH Wieland & Schultz Kaiserslautern GmbH
News

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Stylized red vertical gradient cover with vertical texts “Aktivitätsbericht” and “Rapport d’activité”, a white pill shape reading “2025” and the Teseos logo at bottom left
Teseos – a technical services provider and facilitator of the energy transition in Luxembourg and Germany…
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Activity Report 2024
Teseos Luxembourg S.A. – A Key Player in the Energy Transition - A Look Back at…
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About

Your energy transition partner in the Greater Region

As coordinator and shareholder of various entities, Teseos oversees the group’s technical, energy and infrastructure activities, with a strong commitment to the energy transition. With 21 subsidiaries and 27 sites across Luxembourg and the Greater Region, Teseos covers the entire value chain of technical services through specialist companies, whilst placing innovation and sustainability at the heart of its operations.
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Encevo logo: on the left, an abstract symbol formed by several interlocking rounded geometric shapes, in shades of blue and green evoking energy and sustainability; on the right, the name ‘Encevo’ written in blue sans-serif typeface, with a modern and sleek style on a transparent background. Encevo logo: on the left, an abstract symbol formed by several interlocking rounded geometric shapes, in shades of blue and green evoking energy and sustainability; on the right, the name ‘Encevo’ written in blue sans-serif typeface, with a modern and sleek style on a transparent background.
Teseos Activity Report 2025

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report 2025

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