Contract manufacturing and plastic injection moulding company Rosti Group has acquired Alvi Group to strengthen its manufacturing provision for medical devices.

Following the acquisition, Rosti now has a combined corporate revenue of approximately €450m ($503.4m).

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The transaction, the terms of which were not publicly disclosed, brings nearly 400 Alvi personnel and operational facilities across China, Norway, Poland, and Sweden into the acquiring group. It also adds Norway to Rosti’s international footprint and broadens its capabilities across industrial manufacturing.

Rosti now employs around 3,000 personnel globally, while maintaining corporate sustainability reporting directive (CSRD)-aligned sustainability practices across its combined network.

Rosti Group CEO Jonas Persson said: “This acquisition strengthens Rosti. We’re gaining proven capabilities and experienced teams in plastics manufacturing, expanding our offer in Sweden, Poland and China, while adding Norway to our footprint.

“Combined with our existing operations across US, Europe and Asia, we can now serve our customers even more comprehensively. The integration of Alvi into Rosti Group allows us to leverage our scale and expertise across new and different markets.”

Lead times, quality standards, technical certifications, and service delivery across all manufacturing sites will continue without interruption, with collaborative adjustments scheduled wherever local processes do not yet achieve Rosti benchmarks.

Furthermore, customers from both organisations gain access to shared research, engineering resources, and regional technical expertise.

Alvi Group CEO Magnus Emeus said: “Rosti is the right home for Alvi’s customers, people and operations. They have the platform, resources and market presence to take what we’ve built to a higher level.

“Our teams will benefit from joining a stronger, more established group while our customers will gain access to broader capabilities and geographic reach.”

Integration plans require the acquired facilities to operate under the names Rosti China, Rosti Norway, Rosti Poland, and Rosti Sweden, alongside Norwegian tooling division Rosti Industriverktøy.

Established in 1944 in Malmö, Rosti provides design-to-delivery contract manufacturing services for original equipment manufacturers across medical, consumer and industrial sectors.