Bouygues Energies & Services Bouygues is a global family business led by Martin Bouygues. Bouygues Energies & Services has around 100 locations in Switzerland and is locally anchored, nationally active and globally networked. We employ around 5500 people throughout Switzerland, 425 of whom are apprentices. Thanks to our worldwide experi-ence and regional know-how, we are your ideal partner for innovative services in building technology, facili-ty & property management, energy supply, traffic engineering, telecommunications, process automation, photovoltaics and e-mobility.