Semapa

For the water company in Bolivia, see Semapa (Bolivia).

Semapa - Sociedade de Investimento e Gestão (English: Semapa - Investment and Management Company) is a Portuguese conglomerate holding company with interests in the cement, pulp and paper and environmental services sectors.

Semapa - Sociedade de Investimento e Gestão, SGPS, S.A.

Company type	Public (Sociedade Anónima)
Traded as	Euronext Lisbon: SEM
ISIN	PTSEM0AM0004
Industry	Conglomerate
Founded	1991
Headquarters	Lisbon, Portugal
Key people	Pedro Queiroz Pereira (founder)
Revenue	€2.71 billion (2023)[1]
Operating income	€282.8 million (2010)[2]
Net income	€126.7 million (2010)[2]
Total assets	€3.570 billion (end 2010)[2]
Total equity	€1.244 billion (end 2010)[2]
Number of employees	6,550 (2023)[3]
Subsidiaries	The Navigator Company, Secil, Grupo ETSA
Website	www.semapa.pt

The company owns 76.7% of The Navigator Company, previously known as Portucel Soporcel, Europe's largest producer of bleached eucalyptus kraft pulp.^[4] It also holds 51% of Secil Group [pt], 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.

The company is listed on Euronext Lisbon stock exchange and is a constituent of the PSI 20 index.