Telenet Group Holding is a holding company. Through its subsdiairies and its broadband network, Co. is engaged in the provision of cable television, including television services, broadband internet and telephony services to residential subscribers in Flanders and certain communes in Brussels as well as broadband internet, data and voice services in the business market throughout Belgium and parts of Luxembourg. In addition, Co. is engaged in the provision of mobile telephony services through a mobile virtual network operator partnership with Mobistar NV.

UCB is a global biopharmaceutical company focused on severe diseases in two therapeutic areas, namely central nervous system disorders and immunology. In the area of central nervous system disorders, Co. is focused on advanced Parkinson's disease, epilepsy, restless legs syndrome and epilepsy. In the area of immunology disorders, Co. is focused on rheumatoid arthritis, axial spondyloarthritis, psoriatic arthritis, systemic lupus erythematosus, juvenile idiopathic arthritis, post-menopausal osteoporosis, systemic lupus erythematosus and immunological diseases.