Such invitations to tender in lot 1 are services for the care of the advertising and presentation of cooperation AOK - The health insurance company in Hesse to achieve the strengthening of the brand, as well as related marketing and sales objectives. This includes the conception, design and production of integrated advertising campaigns, industrial or commercial individual measures as well as advertising for collaborations. In addition, the support comes in the further development of the brand in the competitive environment. Such invitations to tender in Lot 2 is the assignment of an agency for the construction of infra-annual Corporate Communications AOK - The health insurance company in Hesse in order to reach existing and potential target customers through relevant content and retain. In addition to profiling on the product and service level, especially the sustainable expansion of the brand as a competitive advantage plays a central role. This includes the conception, design and production of content as well as the implementation and technical support of a comprehensive portfolio of channels and instruments. Linked to this are also the controlling based on targets and measuring success through appropriate indicators.