XILLIX GmbH was founded in May 2021 and is part of the Koehler Group, a company that has been family-run from the beginning to the present day. The history of the company dates back 210 years, and it is currently headed by the eighth generation of the founding family. Koehler's key business is the development and production of premium special papers, which generates annual sales of around 900 million euros and makes it the global market leader in many areas.

As an energy-intensive company, Koehler also invests in renewable energy projects such as wind energy, hydropower, and biomass. The Koehler Group has set for itself the goal of producing more electricity energy from renewable sources than is required for its paper production by 2030. The focus on sustainability within the business areas related to renewable energy and continuous introduction of environmentally friendly products is of vital importance.