Holder Greece provides comprehensive Customer Care for the largest telecommunications companies in Europe and more specifical ... ly in Germany. We have mastered the art of sales and lead generation – knowing the dos and don’ts of the industry. We focus on building a connection between the customer and the company, identifying pain points, and then presenting the product as a solution to their problems. In locations such as Thessaloniki, Serres, Katerini, Kavala, Drama, Veria, Ioannina, and Kozani we deliver a great customer experience. read more