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.

Heineken is an international brewer and engaged in the production and distribution of beer brands in 178 countries. Co. is committed to the marketing and consumption of its more than 250 international premium, regional, local and specialty beers and ciders. These include Heineken®, Amstel, Anchor, Biere Larue, Bintang, Birra Moretti, Cruzcampo, Desperados, Dos Equis, Foster's, Newcastle Brown Ale, Ochota, Primus, Sagres, Sol, Star, Strongbow, Tecate, Tiger and Zywiec. In addition, Co. is the cider maker with brands such as Strongbow® and Bulmer's®. Some of its wholesalers also distribute wine, spirits and soft drinks.

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.