Blue Mobilfunk GmbH (BM GmbH) is a telecommunication service provider and positioned as a mobile virtual network operator (MVNO). The company is engaged in rendering prepaid telecom business operation, under the flagship brand of blau.de and blue world across the Europe. It caters a full array of calling features, cutting-edge services like tariff plans, mobile software solutions and other related packages etc. During 2008, the company was taken over by the Dutch company, namely E-Plus & KPN. BM GmbH operates through regional high quality network provider for rendering state-of-the-art network for advanced service designed to support more valued telecommunications solutions, such as international calling services, voice mail, and secure data storage etc.

Apart from this, the company has spanned its business network operation throughout the region targeting general business market segment for its services. Additionally, BM GmbH retains business partners such as, retailers, convenience stores and other entities for rendering their full range of services including Mobile phone top-ups, International phonecards and related accessories etc. The company is headquartered at Greifswald, Germany.