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.

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.

IBA- Ion Beam Applications develops and markets technologies and pharmaceutical products for the healthcare sector, with a focus on cancer diagnosis and therapy. Co. is also engaged in the sterilization and ionization market. Co. operates in two primary business segments: Equipment and Pharmaceuticals. Co.'s Equipment segment encompasses development, fabrication, and services associated with medical and industrial particle accelerators, proton therapy systems, and a range of dosimetry products, while Co.'s Pharmaceuticals segment encompasses the production and distribution of radiopharmaceutical agents as well as its bioassay operations.

Warehouses De Pauw and its subsidiaries are engaged in investment in the Belgian semi-industrial property market. Co. is a closed-end property investment company which specializes in: development of storage and distribution premises; customized projects in line with the user's request; acquiring premises for customers who wish to engage in sale and leaseback transactions.