Prost-Key Packaging Sobolewscy

For nearly 30 years, Prost-Key has been producing corrugated and solid board packaging with a focus on durability, good design, and practical use. Companies from all industries use our services because we go beyond standard ideas, creating original projects that stand out on the market.

We use innovative technologies and our team’s creativity to create modern, high-quality products. Thanks to investments in machine park development, we have expanded our production capabilities.

In business, we value quality and strong relationships. We offer support at every stage — starting with understanding your needs. We become a trusted partner in achieving your business goals, working with passion and commitment reflected in every project. We know how to turn visions into bold executions that make your product stand out.

Company History

1991

Company Founded

In June 1991, the company was registered as the Paper and Cardboard Packaging Processing Plant (ZPPiOT). Initially focused on producing strawberry baskets, the company soon expanded into manufacturing office notebooks.

1994

Relocation

Just three years later, we moved from a garage to an 800 m² hall. At the time, the company had 33 employees, 18 of whom were disabled.

2002

Relocated Again

In August 2002, we moved to our newly built headquarters on 1 Maja 89 in Prostki, where we remain today.

2004

Certification Achieved

We implemented strict ISO standards and obtained certifications including PEN ISO 9001:2000, PN-N18001 – 2004, and HACCP DS-3027.

2008

New Hall Construction

In 2008, a new production hall was built, allowing expansion into flexographic printing and laminated packaging. A laboratory was also established.

2015

Company Renamed

In 2015, we underwent full rebranding. The former name ZPPiOT was replaced with a more accessible one — PROST-KEY Packaging Sobolewscy Sp. j.

2018

New Investment

In 2018, we began construction of a new production hall in Szczuczyn.

2019

Construction Completed

A year later, in 2019, we completed the first stage of construction and started production in the new plant.