Semapa - Sociedade de Investimento e Gestão (Semapa - Investment and Management Company) is a Portuguese

Portugal

Portugal , officially the Portuguese Republic is a country situated in southwestern Europe on the Iberian Peninsula. Portugal is the westernmost country of Europe, and is bordered by the Atlantic Ocean to the West and South and by Spain to the North and East. The Atlantic archipelagos of the...

 conglomerate

Conglomerate (company)

A conglomerate is a combination of two or more corporations engaged in entirely different businesses that fall under one corporate structure , usually involving a parent company and several subsidiaries. Often, a conglomerate is a multi-industry company...

 holding company

Holding company

A holding company is a company or firm that owns other companies' outstanding stock. It usually refers to a company which does not produce goods or services itself; rather, its purpose is to own shares of other companies. Holding companies allow the reduction of risk for the owners and can allow...

 with interests in the cement

Cement

In the most general sense of the word, a cement is a binder, a substance that sets and hardens independently, and can bind other materials together. The word "cement" traces to the Romans, who used the term opus caementicium to describe masonry resembling modern concrete that was made from crushed...

, pulp and paper

Pulp and paper industry

The global pulp and paper industry is dominated by North American , northern European and East Asian countries...

 and environmental services

Waste management

Waste management is the collection, transport, processing or disposal,managing and monitoring of waste materials. The term usually relates to materials produced by human activity, and the process is generally undertaken to reduce their effect on health, the environment or aesthetics...

 sectors.

The company owns 76.7% of Portucel Soporcel

Portucel Soporcel

The Portucel Soporcel Group is a Portuguese pulp and paper company, which resulted from the 2001 merger of the firms Portucel and Soporcel....

, Europe's largest producer of bleached

Bleaching of wood pulp

Bleaching of wood pulp is the chemical processing carried out on various types of wood pulp to decrease the color of the pulp, so that it becomes whiter. The main use of wood pulp is to make paper where whiteness is an important characteristic...

 eucalyptus kraft pulp

Kraft paper

Kraft paper or kraft is paper or paperboard produced from chemical pulp produced in the kraft process.Pulp produced by the kraft process is stronger than that made by other pulping processes; acidic sulfite processes degrade cellulose more, leading to weaker fibers, and mechanical pulping...

. It also holds 51% of Secil Group, a manufacturer of cement and its derivatives; and 100% of ETSA, a waste management firm involved in the collection, storage and treatment of animal by-products

Animal by-products

Animal by-products are biodegradable wastes consisting of animal carcases, parts of animal carcases, products of animal origin which are not intended for human consumption, includes catering waste ....

.

The company is listed on Euronext Lisbon

Euronext Lisbon

Euronext Lisbon is a stock exchange in Lisbon, Portugal. It belongs to the NYSE Euronext group, the first global stock exchange.Euronext Lisbon trades equities, public and private bonds, participation bonds, warrants, corporate warrants, investment trust units, and exchange traded funds...

 stock exchange and is a constituent of the PSI 20 index.