Groupe Bruxelles Lambert is a holding company. Through its subsidiaries, Co. operates through the following segments: Imerys, which consists of the Imerys group that operates in four business lines of energy solutions and specialties, filtration and performance additives, ceramic materials, and high resistance minerals; and Financial Pillar, which includes, on the one hand, under investment activities, the companies Sienna Capital, Ergon Capital Partners (ECP), ECP II, ECP III, PAI Europe III, Sagard, Sagard II and Sagard III, Kartesia and Merieux Participations I and II and, on the other hand, under consolidated operating activities, the operating subsidiaries of ECP III.

ThromboGenics is an integrated biopharmaceutical company based in Belgium. Co. is focused on developing and commercializing ophthalmic medicines. Co.'s primary product JETREA® (ocriplasmin), has been approved by the U.S. FDA for the treatment of symptomatic Vitreomacular Adhesion (VMA). In Europe, it has been approved for the treatment of vitreomacular traction (VMT), including when associated with macular hole of diameter less than or equal to 400 microns. Co. is also further exploring anti-PIGF (Placental Growth Factor), formerly referred to as TB-403, for the treatment of ophthalmic and oncology indications.

Recticel is engaged in the production of a variety of polyurethane foams that are used in the furniture, technical, automotive, bedding and insulation industries. The Flexible Foam Business Line covers the manufacture, conversion and marketing of flexible polyurethane foam. The types of flexible foams are classified as Comfort, Technical Foams and Composite Foams. Co. is also engaged in the manufacture of foams used in mattresses and slat bases. In addition, Co. manufactures rigid polyurethane and phenolic foams for thermal insulation. Co.'s automotive activities include: manufacturing moulded seat cushions, window encapsulation and manufacturing interior trim components.

Retail Estates is a niche fixed-capital real estate investment fund that invests in retail properties located on the periphery of residential areas or along access roads to urban centers. Co. buys properties from third parties or builds and markets shop premises for its own account. The outlets have a built on surface areas of between 500m2 and 3,000m2. A typical retail property has an average surface area of 1,000m2. As of Mar 2010 Co. had 399 premises in its portfolio. The retail lettable area amounted to 398,754m2.

Shurgard Self Storage SA, formerly known as Shurgard Self Storage Europe SARL, is a Luxembourg-based company, which serves as a provider of warehousing and self-storage services. The Company operates a number of self-storage facilities in Europe with over 200 self-storage centers. Shurgard's activity is organized around two areas: leasing of storage spaces for companies and individuals and other related services. Additionally, the Company also offers self-storage insurance specially designed for its clients. Apart from the Luxembourg, the Company also operates in the Netherlands, France, Sweden, the United Kingdom, Belgium, Germany and Denmark. The company is partly owned by Public Storage, an owner and operator of self-storage facilities with a range of stores in the United States.