About us

Zamet SA

Following the sale of key assets constituting the Zamet Group - a company specializing in the production of large-scale steel structures and industrial machinery - Zamet SA is currently undergoing a transformation.

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The Zamet Group carried forward the rich legacy of Poland’s heavy industry, bringing together companies whose origins date back to the 18th and 19th centuries. It specialized in the production of large-scale steel structures as well as machinery and equipment for various industrial sectors — from mining and metallurgy to the offshore industry. Zamet SA, as the holding company, was listed on the Warsaw Stock Exchange in 2011. Its key subsidiaries included Zamet Industry, Zamet Budowa Maszyn, and Mostostal Chojnice.

Between 2023 and 2025, the Group underwent a comprehensive transformation: in December 2023, Mostostal Chojnice was divested; in May 2024, Zamet Budowa Maszyn SA was sold; and in March 2025, Zamet Industry sp. z o.o. was also divested.

More than

200

years of experience

More than

120

largest subsea projects
in the world contain
our structures

7 continents

our projects on every
continent of the world.

Over

55 000

tons of steel
structures left our plants
in recent years


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