Dunapack Packaging to acquire Stora Enso’s German corrugated packaging plants

Dunapack Packaging, part of the Austrian Prinzhorn Group, has entered into an agreement to acquire Stora Enso’s corrugated packaging operations in Germany. The transaction includes the companies Gaster Wellpappe, Wellpappe Sausenheim and PTI, along with their production facilities located in Southwestern Germany. The operations employ approximately 350 people and generated a turnover of around €74 million in 2025.

The acquisition represents a further step in Dunapack Packaging’s growth strategy, aimed at expanding its geographical footprint and strengthening vertical integration within the Prinzhorn Group.

“The transaction marks a further important step in the growth strategy of Dunapack Packaging aiming to increase its geographical footprint and will additionally foster our paper integration rate within the Group,” said Gerald Prinzhorn, CEO of Prinzhorn Group.

Max Hölbl, Chairman of Dunapack Packaging, added: “We are excited to serve our existing and new customers with the best of our proven service quality by benefitting from our integrated business model with Hamburger Containerboard Division. The expertise of our new colleagues will be a great addition and we are looking forward to welcoming them in our Group.”

The transaction remains subject to customary merger control approvals and is expected to be completed in 2026.

The Prinzhorn Group

The Prinzhorn Group is a leading European player in the corrugated packaging, paper, and recycling sectors. The company employs more than 10,000 people across 16 countries and reported an annual turnover of approximately €2.4 billion.

Headquartered in Vienna, Austria, the family-owned group operates through three divisions: Dunapack Packaging, specialising in corrugated packaging solutions; Hamburger Containerboard, focused on the production of corrugated case materials; and Hamburger Recycling, active in the collection and trading of secondary raw materials.