Tata Consultancy Services (TCS) has won a multi-million, multi-year deal from GDF Suez, a global leader in the energy sector. The engagement will pan across France, Belgium, and the Netherlands to rationalise and standardise CRM and billing applications, TCS said. “This is a first landmark deal, which reinforces the tremendous synergies between TCS’s global capabilities and the local talent we have secured through our acquisition of Alti S.A.,” Kumar Narayanan, Director & Country Head, TCS France, said.