Divisions
The KWH Group is an Ostrobothnian family-owned company which manufactures and markets abrasives and water traps as well as offers frozen storage, freight forwarding and logistics services. It operates as four divisions. Mirka is specialized in abrasives, KWH Logistics offers logistic services, KWH Freeze offers frozen storage and KWH Invest consist of strategic holdings and Prevex that manufactures water traps.

Mirka
Abrasives
Mirka manufactures and markets net, paper, cloth, foam, and non-woven-based abrasives, sanding and polishing machines and polishing compounds for different types of surface finishing processes in automotive refinishing and vehicle manufacturing, the manufacture of composite parts, wood and furniture industry, metal processing, and for sales via the hardware, paint and machinery trades.
Mirka’s Finnish production units are situated in Jeppo, Oravais, Jakobstad, Karjaa, and Nurmijärvi. Head office is in Jeppo. Mirka has ca 20 marketing companies and 4 sales offices abroad. The company also has manufacturing facilities in Italy, Belgium and the United States. Abroad, Mirka has around 20 subsidiaries and 4 sales offices. About half of Mirka’s employees are abroad. Approximately 98% of production is exported.
Mirka's Key Figures 2024
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KWH Logistics
Logistics Services
KWH Logistics is Finland’s leading port operator with operations in 15 Finnish ports. The Group also includes several subsidiaries working in other logistics areas.
Port Logistics
Stevedoring, freight forwarding, ship customs clearance and port logistics for bulk cargo, general cargo, containers and heavy project loads.
International Transports
Global logistics solutions with different modes of transport.
Industrial Services
Handling of goods in terminals and industrial areas. Hire of heavy machinery and special tools.
KWH Logistics Key Figures 2024
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KWH Freeze
Cold Storage
KWH Freeze is Finland’s largest actor in frozen food storage. The storage facility is in Vantaa near the Helsinki-Vantaa airport. Almost half of all frozen food consumed in Finland passes through the company’s warehouse.
KWH Freeze serves customers of all sizes – both the small with one pallet to store and the large with 10 000 pallets. Their customers are wholesale dealers, actors in the food industry and frozen food importers. KWH Freeze both stores and handles frozen foods for their customers, and rents space to customers who handle their goods themselves.
KWH Freeze Key Figures 2024
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Prevex
Water Traps
Prevex is one of Europe’s leading manufactures of water traps. It specialises in functional, easy-to-clean and space saving water traps for kitchen and bathrooms. In recent years, Prevex has invested in environmental sustainability, and is a leader in its field. It has factories in Nykarleby and Jakobstad, in Finland. Approximately 90% of production is exported. Prevex is part of the KWH Invest business division.