Borealis AG was an Austria-based global chemicals and plastics company specializing in advanced polyolefins, circular plastics solutions, base chemicals, and related materials used across industries such as mobility, healthcare, energy, infrastructure, consumer products, and packaging. The company was established in 1994 through the merger of Statoil and Neste and developed from its Nordic origins into an international chemicals and materials business. Its global headquarters were located in Vienna, Austria, and Borealis operated across five continents, serving customers in more than 120 countries. In its 2025 company profile, Borealis reported approximately 6,200 employees.

Borealis was particularly known for its Borstar® technology, polymer expertise, innovation in polyolefins, and increasing focus on recycling and the circular economy. Its products and technologies supported applications including automotive components, power and communication cables, pipe systems, packaging, healthcare products and consumer goods.