Altri SGPS is a holding company based in Portugal. Co. is engaged in management of investments mainly in the industrial sector. Through its subsidiary companies, Co. is engaged in the production of pulp and paper through the Celbi, Celtejo and Caima Groups. Pulp is the core business of Co. and the focus is on bleached eucalyptus pulp. Co.'s three pulp mills, Celbi, Caima and Celtejo, produce over 550,000 tonnes per year. The paper mill, CPK, produces 60,000 tonnes of sack kraft paper per year. Co. manages over 78,000 ha of forest in Portugal certified by the Forest Stweardship Council.

Ence Energia Y Celulosa is engaged in the manufacture and commercialization of wood pulp and derivatives. Co. divides its activities into the following two business lines: Forest Division: Co. manages timberlands in South America and the Iberian Peninsula. Co. is involved in trading of wood, and supplies solid wood products including: plywood, sawn timber, parquet flooring and glued-edge paneling. Co. is involved in forest and environmental consulting. Pulp Division and Energy Production: Co. is engaged in the production of Eucalyptus globulus-based TCF and ECF paper pulp. Co. is also involved in the generation of electricity through biomass power producing plants.

Iberpapel Gestion is engaged in the manufacture, wholesale distribution, sale and export of pulp and printing and writing paper. In addition, Co. maintains forestry activities, including the cultivation of timberlands.

Navigator and its subsidiaries are engaged in the production and sale of cellulose pulp and related products, the purchase of wood and agricultural and forest production, the harvesting of forests and the transport of wood from the forests to the plants, and the production and sale of electricity and thermal energy. Co. is also involved in the production of paper and derivative paper products.