
International trading and services group for steel, raw materials, ferroalloys and energy sources with engineering divisions.

Trasteel International SA
Lugano (CH) · Bertrange (LU)New on Amplifa
About Trasteel
Trasteel International SA, headquartered in Lugano, is a trading and services group covering the entire value chain of the steel and metals industry. The company supplies long and flat steel, raw materials for steel production such as iron ore, coke and HBI, raw materials for refractories and secondary metallurgy, graphite and carbon electrodes as well as non-ferrous metals worldwide. In addition, Trasteel offers financing solutions such as pre-financing and off-take agreements, logistics, R&D services, derivatives trading for energy, metals and carbon certificates, and energy products for industrial customers in European markets. Through its Engineering Solutions division, plants for melt shops, foundries and rolling mills are offered based on in-house design and manufacturing. Since 2026, the group has also been active as operator of the La Magona d'Italia steel plant in Piombino via Trasteel Magona. Customer segments include the steel industry, refractory industry, secondary metallurgy, ceramics industry and the energy sector.
- Site
- CH-6900 Lugano
- Processes
- Financing solutions (pre-financing, off-take agreements), Logistics, Technical support, Derivatives trading (Energy, Non-Ferrous, Steel, Metallics, Coal, Carbon Credits), Engineering Solutions (equipment for melt shops, foundries and rolling mills, in-house, Energy services (electricity, gas, CO2 certificates), R&D services, Sustainability reporting
- Materials
- Magnesite (caustic, dead-burned, fused), Bauxite and alumina (calcined, tabular, brown/white fused alumina), Iron ore (fines and lumps), Met coke, foundry coke, PCI and coking coal, HBI and pig iron, Ferroalloys (FeSi, SiMn, FeMn, FeCr), Cored wires, calcium aluminate, fluorspar, Graphite and carbon electrodes
- Certificates
- ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, ISO 27001:2022, EcoVadis Silver Medal
- Industries
- Steel industry, Refractory industry, Secondary metallurgy, Ceramics industry, Non-ferrous metals, Energy
- 01
Raw material procurement through strategic partnerships with audited sources
- 02
Quality control through an audit process of supply sources
- 03
Financing (pre-financing, off-take agreements)
- 04
Logistics (predominantly dry bulk shipping to Europe and the Far East)
- 05
Supply of steel, raw materials, electrodes and ferroalloys
- 06
Technical support, R&D and Engineering Solutions
- 07
Derivatives trading and energy services
Materials and Services
Magnesite (caustic, dead-burned, fused)
Central raw material for the refractory industry and secondary metallurgy.
Bauxite and alumina (calcined, tabular, brown/white fused alumina)
Used in refractory materials and the ceramics industry.
Iron ore (fines and lumps)
Basic raw material for steel production, shipped as dry bulk.
Met coke, foundry coke, PCI and coking coal
Reduction and charge materials for blast furnace and steel plants.
HBI and pig iron
Iron carriers for steel production.
Ferroalloys (FeSi, SiMn, FeMn, FeCr)
Alloying additives for secondary metallurgy.
Cored wires, calcium aluminate, fluorspar
Metallurgical additives for steel treatment.
Graphite and carbon electrodes
Consumables for electric arc furnaces in the steel industry.
Long and flat steel as well as tubes
Trading in semi-finished and finished products for industrial buyers.
Non-ferrous metals and related raw materials
Supply from source to end buyer.
Locations
Lugano
CHHeadquarters (Trasteel Trading Holding SA / Trasteel International SA)
Bertrange
LUBranch office (Trasteel Holding SA)
Inside the production






Industries
Additional services
Quality & Certification
Trasteel International SA is certified to ISO 9001:2015, ISO 14001:2015, ISO 45001:2018 and ISO 27001:2022 and has been awarded the EcoVadis Silver Medal. Supply sources are audited through a rigorous audit process for reliability and material quality.
| Evidence | Lugano |
|---|---|
| ISO 9001:2015 | |
| ISO 14001:2015 | |
| ISO 45001:2018 | |
| ISO 27001:2022 | |
| EcoVadis Silver Medal |
History
- 2010
Start of operations as a supplier of raw materials for refractories, secondary metallurgy and the ceramics industry
- 2026
Launch of the QTrasteel joint venture for expansion in the MENA region (May 15)
- 2026
Alessandro Colombi becomes Head of Investor Relations (August 24)
- 2026
Confidential submission of a draft registration statement (Form F-4) in connection with the proposed business combination with Sizzle Acquisition Corp. II (October 2)
- 2026
Takeover of operations of the La Magona d'Italia steel plant in Piombino by the newly founded Trasteel Magona (October 5)
- 2026
Completion of the acquisition of the remaining 40% of BBC Alloys S.r.l. (October 7)