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Private company

Semapa

Logo: Semapa, Public domain, via Wikimedia Commons3

Portuguese materials conglomerate

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. The company owns 76.7% of The Navigator Company, previously known as Portucel Soporcel, Europe's largest producer of bleached eucalyptus kraft pulp.2 Wikipedia text CC BY-SA 4.0

Last updated Oct 21, 2026.

Overview

1991Founded1
  • Industryinvestment company1
  • HeadquartersLisbon1
  • Websitewww.semapa.pt
  • Legal formjoint-stock company1

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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.2

Corporate structure

Semapa sits at the top of its group. 2 entities, 1 country on record. Switch between the flow chart and the network, and select any entity to see its details.

Built from subsidiaries, stakes and holdings from Wikidata (CC0); major holders from Schedules 13D and 13G. Each entity in the chart links to its source.

What it owns

What Semapa reports owning in its annual reports to the SEC: buildings, land and equipment, real estate and locations, investments, intangible assets and inventory, at the end of its latest fiscal year and a year before.

Stakes and holdings (Wikidata)

Things Wikidata records the company as owning, with the share when stated.1

Subsidiaries and ownership

Subsidiaries

From Wikidata.1

Timeline

  1. 1991Founded Founded1

Sources

The numbers on this page point here. Each one links to the record it came from.

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