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.

Galapagos is a clinical-stage biotechnology company specialized in the discovery and development of small molecule medicines with novel modes of action, addressing disease areas of high unmet medical need. Execution on its proprietary drug target discovery platform has delivered a pipeline that consists of three Phase 2, three Phase 1, five pre-clinical, and 20 discovery programs in inflammation, cystic fibrosis, or CF, osteoarthritis, and other indications. Co.'s highly flexible platform offers applicability across a broad set of therapeutic areas. Co.'s programs include filgotinib, GLPG1837, GLPG1690, GLPG2222, GLPG1972.

GIMV is a listed investment company, specializing in private equity and venture capital and active in small and medium buyouts, growth financing and technology investments. Co. is also present with technology investments across Europe and in Israel, Japan and the USA. Co. invests in ICT (Technology), environmentally friendly technology (Cleantech) and Life Sciences.

Sipef is a holding company. Through its subsidiaries and associated companies, Co. is primarily engaged in the development and production of sundry commodities, including palm oil, palm kernels, tea, tropical fruits and flowers, bananas, pineapples, ornamental plants, guava, pepper and natural rubber. Palm oil, which is Co.'s most important commodity, is used within the cosmetics industry, in soaps and detergents, as a supplement to cattle and poultry feed, for production of protein, and for several other purposes. In addition, Co. provides management, marketing and consultancy services in the agro-industry.

Solvay is engaged in chemical and plastic businesses worldwide. Co. offers chemical products such as advanced materials, barium strontium, calcium chloride, caustic soda, chlorinated products, fluor, peroxygen products, polyglycerols, precipitated calcium carbonate, soda ash, and sodium bicarbonate. It also provides specialty polymers, such as Spire ultra polymers, Solviva biomaterials, and sulfone polymers. Co. structures its activities around five operating segments: Advanced Formulations, Advanced Materials, Performance Chemicals, Functional Polymers and Corporate & Business Services, each with its own specific business model and each comprised of Global Business Units (GBUs).