Local and regional telecommunication companies are getting more and more under pressure due to merger of global operating telecommunication companies. These global service providers are addressing multi-national corporations that intend to have their telecommunications across the globe out of one hand from one provider. Regional or local service providers face the problem that their local large customers suddenly are overruled by their head quarter, potentially situated outside that local carriers country, forcing the large customer to subscribe with the global one-stop shop service provider. Some global merger also influence the competition situation in a country and can put a partnership between the local carrier and the global company buying a competitor that has a representation in that country. What could be a good strategy for these regional or local full service provider? On one side the impact through the large customer segment on the other side the partnership needs to be leveraged.