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Our Subsidiaries

Bouygues Energies & Services InTec is the umbrella organisation for 16 subsidiaries, 15 of which are in active operation, each in its specialist field. Overall, we cover the full range of services, with expert solutions in every discipline.

Building technology Switzerland

Bouygues E&S InTec Switzerland Ltd.
Helion

Building technology Europe

Bouygues E&S InTec Italia S.p.A.
Caliqua Anlagentechnik GmbH

Energy supply and transport technology

Bouygues E&S EnerTrans AG
Kummler+Matter AG

Large-scale projects

Bouygues E&S Infra AG