Centrum Usług Wspólnych - Energia i Gaz Sp. z o.o. is a company providing a complex assistance in services to group companies and external partners. It specializes in a complex back office administration (a complete B2C and B2B customer service), call center and contact center services, marketing, credit management, help desk and customer service office administration. As part of CUWEiG are two call centers, in Warsaw and the main branch of Europe Calling in Radom. The company’s objective is to improve all service, sales and financial processes provided to all companies in the group. The company is responsible both for formulation and implementation of the complete customer service strategy for all companies of the group.