Atenor Group is a holding company. Co., through its subsidiaries, is a real estate developer that specializes in large-scale, urban real estate projects that meet strict criteria in terms of location, economic effectiveness and respect of the environment including office buildings, mixed used and residential complexes. Co. has acquired diversified know-how which it uses to design and build projects in Belgium and other countries throughout Europe.

Biocartis Group NV is a Belgium-based company, which specializes in the development of molecular diagnostic systems, especially for the treatment of cancers and infectious diseases, the products ensure the analysis of biomolecules associated with risk factors, early detection, treatment selection and monitoring of disease. The group has the Idylla system to deliver results within a period of between 35 to 150 minutes.

Cofinimmo is a fixed capital real estate investment trust. Co. specializes in rental property. Its core investment segments are office property and nursing and care institutions. The portfolio also includes a Distribution property networks segment. Most of Co.'s assets are in Belgium. The foreign part consists of nursing homes/ clinics and the MAAF agencies network in France and the Pubstone portfolio in the Netherlands. Co.'s operations are organized into four segments: Offices, Nursing homes/Clinics, Distribution property networks, and Public-Private Partnerships.

Deceuninck is an international designer and manufacturer of PVC systems for windows and doors, cladding & roofline, interior and garden applications. The basic technology used by Co. is extrusion of PVC and patented Twinson composite material. The production process includes compounding, tool manufacturing, extrusion of gaskets and profiles, printing, PVC lamination and the patented Decoroc coating technology. Co. is active in more than 75 countries across Europe, North America and Asia and maintains nine PVC extrusion facilities capable of processing 260,000 tons of compound.

Mithra Pharmaceuticals SA is a Belgium-based company active in the pharmaceutical industry. The Company is dedicated to provide products and services for the fertility, contraception and menopause of women. It has a number of patent families regarding Estetrol (E4), a natural estrogen produced by the human foetus, which enables the investigation of fertility and contraception products. Mithra is focused on the development of two late-stage E4-based products: Estelle, a 5th generation oral contraceptive, and Donesta, a hormone therapy for Vasomotor Symptoms in menopause. Mithra develops a contraceptive vaginal ring called Myring and Zoreline, a biodegradable subcutaneous implant for hormone dependant cancer.

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.